Parking Aid. Diagnosis and Testing

DTC Chart: Parking Aid Module (PAM)

The diagnosis in this manual assumes a certain level of skill and knowledge of Ford-approved diagnostic procedures.
REFER TO: Diagnostic Methods (100-00 General Information, Description and Operation).

PAM Diagnostic Trouble Code Chart

Trouble Code	Description	Action
B129K:12	Left Front Side Sensor: Short to Battery	SEE: Park Aid (413-13B Park Aid - Vehicles With: Active Park Aid, Diagnosis and Testing).
B129C:14	Left Front Side Sensor: Short to Ground or Open Circuit	SEE: Park Aid (413-13B Park Aid - Vehicles With: Active Park Aid, Diagnosis and Testing).
B129K:96	Left Front Side Sensor: Internal Component Failure	SEE: Park Aid (413-13B Park Aid - Vehicles With: Active Park Aid, Diagnosis and Testing).
B129D:12	Right Front Side Sensor: Short to Battery	SEE: Park Aid (413-13B Park Aid - Vehicles With: Active Park Aid, Diagnosis and Testing).
B129D:14	Right Front Side Sensor: Short to Ground or Open	SEE: Park Aid (413-13B Park Aid - Vehicles With: Active Park Aid, Diagnosis and Testing).
B129D: 96	Right Front Side Sensor: Internal Component Failure	SEE: Park Aid (413-13B Park Aid - Vehicles With: Active Park Aid, Diagnosis and Testing).
B129E:11	Semi-Automatic Enhanced Parallel Park On/Off Switch: Short to Ground	SEE: Park Aid (413-13B Park Aid - Vehicles With: Active Park Aid, Diagnosis and Testing).
B1303:11	Parking Aid System Switch: Short to Ground	GO to Pinpoint Test J
B13F3:12	Left Rear Side Sensor: Short to Battery	SEE: Park Aid (413-13B Park Aid - Vehicles With: Active Park Aid, Diagnosis and Testing).
B13F3:14	Left Rear Side Sensor: Short to Ground or Open Circuit	SEE: Park Aid (413-13B Park Aid - Vehicles With: Active Park Aid, Diagnosis and Testing).
B13F3:96	Left Rear Side Sensor: Internal Component Failure	SEE: Park Aid (413-13B Park Aid - Vehicles With: Active Park Aid, Diagnosis and Testing).
B13F4:12	Right Rear Side Sensor: Short to Battery	SEE: Park Aid (413-13B Park Aid - Vehicles With: Active Park Aid, Diagnosis and Testing).
B13F4:14	Right Rear Side Sensor: Short to Ground or Open Circuit	SEE: Park Aid (413-13B Park Aid - Vehicles With: Active Park Aid, Diagnosis and Testing).
B13F4:96	Right Rear Side Sensor: Internal Component Failure	SEE: Park Aid (413-13B Park Aid - Vehicles With: Active Park Aid, Diagnosis and Testing).
B1B36:12	Right Front Outer Sensor: Short to Battery	GO to Pinpoint Test G
B1B36:14	Right Front Outer Sensor: Short to Ground or Open Circuit	GO to Pinpoint Test H
B1B36:96	Right Front Outer Sensor: Internal Component Malfunction	GO to Pinpoint Test I
B1B38:12	Right Front Inner Sensor: Short to Battery	GO to Pinpoint Test G
B1B38:14	Right Front Inner Sensor: Short to Ground or Open Circuit	GO to Pinpoint Test H
B1B38:96	Right Front Inner Sensor: Internal Component Malfunction	GO to Pinpoint Test I
B1B40:12	Left Front Outer Sensor: Short to Battery	GO to Pinpoint Test G
B1B40:14	Left Front Outer Sensor: Short to Ground or Open Circuit	GO to Pinpoint Test H
B1B40:96	Left Front Outer Sensor: Internal Component Malfunction	GO to Pinpoint Test I
B1B42:12	Left Front Inner Sensor: Short to Battery	GO to Pinpoint Test G
B1B42:14	Left Front Inner Sensor: Short to Ground or Open Circuit	GO to Pinpoint Test H
B1B42:96	Left Front Inner Sensor: Internal Component Malfunction	GO to Pinpoint Test I
B1B44:12	Right Rear Outer Sensor: Short to Battery	GO to Pinpoint Test E
B1B44:14	Right Rear Outer Sensor: Short to Ground or Open Circuit	GO to Pinpoint Test D
B1B44:96	Right Rear Outer Sensor: Internal Component Malfunction	GO to Pinpoint Test F
B1B46:12	Right Rear Inner Sensor: Short to Battery	GO to Pinpoint Test E
B1B46:14	Right Rear Inner Sensor: Short to Ground or Open Circuit	GO to Pinpoint Test D
B1B46:96	Right Rear Inner Sensor: Internal Component Malfunction	GO to Pinpoint Test F
B1B48:12	Left Rear Outer Sensor: Short to Battery	GO to Pinpoint Test E
B1B48:14	Left Rear Outer Sensor: Short to Ground or Open Circuit	GO to Pinpoint Test D
B1B48:96	Left Rear Outer Sensor: Internal Component Malfunction	GO to Pinpoint Test F
B1B50:12	Left Rear Inner Sensor: Short to Battery	GO to Pinpoint Test E
B1B50:14	Left Rear Inner Sensor: Short to Ground or Open Circuit	GO to Pinpoint Test D
B1B50:96	Left Rear Inner Sensor: Internal Component Malfunction	GO to Pinpoint Test F
B1B54:11	Park Assist Function LED: Short to Ground	GO to Pinpoint Test K
B1B54:12	Function LED — Parking Aid System: Short to Battery	GO to Pinpoint Test K
B1B57:11	Front Sensor Power Supply Circuit: Short to Ground	GO to Pinpoint Test B
B1B58:11	Rear Sensor Power Supply Circuit: Short to Ground	GO to Pinpoint Test C
U0100:00	Lost Communication With ECM/PCM "A": No Sub Type Information	GO to Pinpoint Test L
U0101:00	Lost Communication with TCM: No Sub Type Information	GO to Pinpoint Test M
U0121:00	Lost Communication with Anti-Lock Braking System (ABS) Control Module: No Sub-Type Information	GO to Pinpoint Test N
U0131:00	Lost communication with power steering amplifier control module: no sub-type information	GO TO Pinpoint Test O
U0140:00	Lost Communication With Body Control Module: No Sub Type Information	GO to Pinpoint Test P
U0146:00	Lost communication with gateway "A": no sub-type information	GO to Pinpoint Test Q
U0155:00	Lost Communication with Instrument Panel Cluster (IPC) Control Module: No Sub Type Information	GO TO Pinpoint Test R
U0212:00	Lost Communication with Steering Column Control Module: No Sub Type Information	GO to Pinpoint Test S
U0253:00	Lost Communication with Auxiliary Protocol Interface Module: No Sub Type Information	GO TO Pinpoint Test T
U0256:00	Lost communication with the Front Controls Interface Module "A": no sub-type information	GO to Pinpoint Test U
U0257:00	Communication Lost with Front Controls/Display Interface Module: No Subtype Information	GO to Pinpoint Test V
U0293:00	Lost Communication with Hybrid/Electric Transmission Control Module: No Sub Type Information	GO to Pinpoint Test W
U0401:00	Invalid Data Received from ECM/PCM A: No Sub-Type Information	This DTC is set when the PAM receives invalid network data from the PCM with a faulty signal data input. GET and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in other network modules.
U0402:00	Incorrect Data Received from TCM: No Sub Type Information	This DTC is set when the PAM receives invalid network data from the TCM with a faulty signal data input. GET and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in other network modules.
U0415:00	Incorrect Data Received from Anti-Lock Braking System (ABS) Control Module: No Sub-Type Information	This DTC is set when the PAM receives invalid network data from the ABS module with a faulty signal data input. GET and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in other network modules.
U0420:00	Invalid data received from Power Steering Control Module: No Sub-type Information	This DTC is set when the PAM receives invalid network data from the PSCM with a faulty signal data input. GET and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in other network modules.
U0422:00	Incorrect Data Received from Body Control Module: No Sub Type Information	This DTC is set when the PAM receives invalid network data from the BCM with a faulty signal data input. GET and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in other network modules.
U0423:00	Invalid Data Received from Instrument Panel Cluster Control Module: No Sub Type Information	This DTC is set when the PAM receives invalid network data from the IPC with a faulty signal data input. GET and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in other network modules.
U0429:00	Incorrect Data Received from Steering Column Control Module: No Sub-Type Information	This DTC is set when the PAM receives invalid network data from the SCCM with a faulty signal data input. GET and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in other network modules.
U0554:00	Invalid Data Received from Auxiliary Protocol Interface Module: No Sub Type Information	This DTC is set when the PAM receives invalid network data from the APIM with a faulty signal data input. GET and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in other network modules.
U0557:00	Invalid data received from Front Controls Interface Module "A": No Sub Type Information	This DTC is set when the PAM receives invalid network data from the FCIM with a faulty signal data input. GET and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in other network modules.
U0594:00	Incorrect Data Received from Hybrid/Electric Transmission Control Module: No Sub Type Information	This DTC is set when the PAM receives invalid network data from the TCM with a faulty signal data input. GET and REPAIR all non-network Diagnostic Trouble Codes (DTCs) in other network modules.
U2024:41	Control Module Calibration Data: General Checksum Error	CLEAR the Diagnostic Trouble Codes (DTCs) and REPEAT the PAM self-test. If DTC U2024:41 recurs, PROGRAM the PAM. REFER TO: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation). REPEAT the self-test. If DTC U2024:41 is returned again, Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test.
U2100:00	Initial Configuration Not Complete: No Sub Type Information	CHECK the vehicle service history for recent service actions involving this module. This DTC is set due to incomplete or incorrect PMI procedures. If service operations were recently performed on this module, PERFORM the PMI procedure using the execution data. REFER TO: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation). If no service actions were recently performed, Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test.
U2101:00	Control Module Configuration Incompatible: No Sub Type Information	CHECK the vehicle service history for recent service actions involving this module. This DTC is set due to incomplete or incorrect PMI procedures. If service operations were recently performed on this module, PERFORM the PMI procedure using the execution data. REFER TO: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation). If no service actions were recently performed, Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test.

DTC Chart: BCM

The diagnosis in this manual assumes a certain level of skill and knowledge of Ford-approved diagnostic procedures.
REFER TO: Diagnostic Methods (100-00 General Information, Description and Operation).

Trouble Code	Description	Action
B115E:01	Camera Module: General Electrical Failure	GO TO Pinpoint Test X
B115E:02	Camera Module: General Signal Failure	GO TO Pinpoint Test X
B115E:08	Camera Module: Bus Signal/Message Failure	GO TO Pinpoint Test X
B115E:49	Camera Module: Internal Electronic Failure	Stored in continuous memory and on demand in the BCM when an internal fault is detected in the rear view camera. CLEAR the Diagnostic Trouble Codes (DTCs) and REPEAT the self-test. If DTC B115E:49 returns, INSTALL a new rear view camera. REFER TO: Parking Aid System Camera - 4 Doors (413-13A Parking Aid System, Removal and Installation).
B115E:55	Camera Module: Not Configured	Stored in continuous memory and on demand in the BCM when the rear view camera is not configured. Using a diagnostic scan tool, PERFORM the rear view camera configuration.
B115E:9A	Camera Module: Component or System Operating Conditions	Set as an on-demand DTC in the BCM when the preconditions for the on-demand self-test are not met. CHECK the liftgate to make sure it is fully closed, and CHECK for any other diagnostic trouble codes (DTCs) present in the BCM.
All Other Diagnostic Trouble Codes (DTCs)	-	REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing).

DTC Chart: APIM

The diagnosis in this manual assumes a certain level of skill and knowledge of Ford-approved diagnostic procedures.
REFER TO: Diagnostic Methods (100-00 General Information, Description and Operation).

Trouble Code	Description	Action
C1001:01	Vision System Camera: General Electrical Failure	GO TO Pinpoint Test X
All Other Diagnostic Trouble Codes (DTCs)	—	For the procedure, refer to the appropriate section in Group 415.

DTC Chart: FCDIM

The diagnosis in this manual assumes a certain level of skill and knowledge of Ford-approved diagnostic procedures.
REFER TO: Diagnostic Methods (100-00 General Information, Description and Operation).

Trouble Code	Description	Action
C1001:01	Vision System Camera: General Electrical Failure	GO TO Pinpoint Test X
All Other Diagnostic Trouble Codes (DTCs)	—	REFER TO: Audio/Video Entertainment System (415-00 Audio/Video Entertainment System - General Information).

Symptom Chart

Symptom Chart: Park Assist System - Audible Warning

The diagnosis in this manual assumes a certain level of skill and knowledge of Ford-approved diagnostic procedures.
REFER TO: Diagnostic Methods (100-00 General Information, Description and Operation).

Condition	Possible Sources	Action
Module does not communicate with scan tool	Fuse Wiring, Terminals or Connectors PAM	REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).
Park Assist Audible Warning Inoperative	Refer to Pinpoint Test	GO to Pinpoint Test A
Continuous or Intermittent Audible Warning with No Obstacle or Diagnostic Trouble Codes	Dirty or iced Park Assist sensor(s)	CLEAN the rear bumper and sensors with high-pressure water.
	Ice between the park assist sensor(s) and the bezel(s)	ALLOW time for the ice between the park assist sensor(s) and the bezel(s) to melt.
	Park assist sensors incorrectly secured in the rear bumper	INSTALL the park assist sensor(s) into the park assist sensor bracket(s) correctly.
	Park assist sensors are not aligned properly	PERFORM the lift system check. REFER TO: Lift System Check (413-13A Park Assist, General Procedures).
Park Assist Audible Warnings Inoperative	Refer to Pinpoint Test	GO to Pinpoint Test A
Parking Aid switch inoperative	Refer to Pinpoint Test	GO to Pinpoint Test J
Park assist switch LED is inoperative or stays on	Refer to Pinpoint Test	GO to Pinpoint Test K
Park Assist Menu Not Available in Message Center and Cannot Be Deactivated	MyKey® Restricted Key Is Being Used	Normal Operation.

Symptom Chart: Parking Aid System - Visual

The diagnosis in this manual assumes a certain level of skill and knowledge of Ford-approved diagnostic procedures.
REFER TO: Diagnostic Methods (100-00 General Information, Description and Operation).

Condition	Possible Sources	Action
Rear video inoperative	Refer to Pinpoint Test	GO TO Pinpoint Test X
FDIM or FCDIM displays the message "Rear Camera Unavailable. See Dealer" and the screen is black/no image.	Refer to Pinpoint Test	GO TO Pinpoint Test X
Static/flickering/blinking/shimmering/rolling or scrolling image/screen/scrolling horizontal lines	Refer to Pinpoint Test	GO to Pinpoint Test Y
Poor image quality (hazy/cloudy/fuzzy/blurry/murky image or moisture/water on lens or black spots)	Refer to Pinpoint Test	GO to Pinpoint Test Y
Manual zoom feature inoperative	Refer to Pinpoint Test	GO TO Pinpoint Test X
Parking aid alert inoperative	Refer to Pinpoint Test	GO to Pinpoint Test Z
Active guidelines are not displayed on the rear view camera image	Refer to Pinpoint Test	GO TO Pinpoint Test AA
Fixed guidelines are not displayed on the video image	Refer to Pinpoint Test	GO TO Pinpoint Test AA
Video camera delay feature inoperative	Refer to Pinpoint Test	GO TO Pinpoint Test AA
Video image inverted	Video camera is not configured	PERFORM the rear view camera configuration using the diagnostic scan tool
All other image concerns	Refer to Pinpoint Test	GO TO Pinpoint Test X

Pinpoint Test(s)

Park Assist Audible Warning Inoperative

For wiring diagrams and connector information, refer to Cell 131 of the Wiring Diagrams.

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

REFER TO: Park Assist System - System Operation and Component Description (413-13A Park Assist System, Description and Operation).

Possible Sources

• Parking Aid is disabled
• Communication Problem
• PAM (integral part of the BCM)
• IPC Concern
• TR input

PINPOINT TEST A: PARKING AID AUDIBLE WARNING DOES NOT OPERATE

A1 PERFORM NETWORK CHECK

The ignition is on. Using a scan tool, perform the network test. Do all modules pass the network test? Yes GO to A2 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

A2 CHECK THE PARK ASSIST MODULE (PAM) DIAGNOSTIC TROUBLE CODES (DTCS) SELF-TEST

Using the scan tool, perform the PAM self-test. Are any PAM diagnostic trouble codes (DTCs) recorded? Yes REFER TO the PAM DTC Chart in this section. No GO to A3

A3 CHECK THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST DIAGNOSTIC TROUBLE CODES (DTCS)

Using the diagnostic scan tool, perform the IPC self-test. Are any IPC Diagnostic Trouble Codes (DTCs) stored? Yes REFER TO: Instrument Cluster, Message Center and Warning Chimes (413-01 Instrument Cluster, Message Center and Warning Chimes, Diagnosis and Testing). No GO to A4

A4 CHECK THAT PARK ASSIST IS ENABLED

Make sure the rear and front parking aid (if equipped) are enabled in the IPC Message Center. Is the Parking Aid system enabled? Yes GO to A5 No ENABLE the Parking Aid system.

A5 CHECK FOR CORRECT GEAR SHIFT

Apply the parking brake. The ignition is on. While monitoring the IPC PRNDL display, move the selector lever through the full range of gears. Does the IPC PRNDL indicator match the selector lever position through the full range? Yes GO to A6 No REFER TO: Instrument Cluster, Message Center and Warning Chimes (413-01 Instrument Cluster, Message Center and Warning Chimes, Diagnosis and Testing).

A6 CHECK THE WARNING CHIMES

Ignition OFF. Open the driver door. Turn the headlamp switch to ON. Does the warning chime sound through the audio system? Yes GO to A7 No REFER TO: Instrument Cluster, Message Center and Warning Chimes (413-01 Instrument Cluster, Message Center and Warning Chimes, Diagnosis and Testing). REFER TO Symptom Chart: Warning Chimes, All Warning Chimes Inoperative.

A7 CHECK THE BCM (BODY CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect the BCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM and all related inline connectors. Make sure they are installed and fully seated. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

B1B57:11

For wiring diagrams and connector information, refer to Cell 131 of the Wiring Diagrams.

Normal Operation and Fault Symptoms

The PAM supplies voltage to the front park assist sensors and active park assist sensors through a common circuit.

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
B1B57:11	Front Sensor Power Supply Circuit: Short to Ground	Set in continuous memory and on-demand in the PAM when the front sensor power circuit is shorted to ground or to the signal return circuit.

Possible Sources

• Wiring, Terminals or Connectors
• Front Parking Aid sensor
• Front Active Parking Aid Sensor (if equipped)
• PAM (integral part of the BCM)

PINPOINT TEST B: B1B57:11

B1 CHECK THE FRONT BUMPER WIRING HARNESS

Ignition OFF. Inspect the front bumper wiring harness for breaks, short circuits, grounds or corrosion. Is the front bumper wiring harness in good condition? Yes GO to B2 No REPAIR or INSTALL a new bumper wiring harness.

B2 CHECK THE LEFT (LH) FRONT OUTER PARK ASSIST SENSOR FOR INTERNAL SHORT TO GROUND

Disconnect: Left front outer park assist sensor C1428. The ignition is on. Using the diagnostic tool, clear the diagnostic trouble codes (DTCs) and repeat the self-test. Is DTC B1B57:11 still present? Yes GO to B3 No INSTALL a new left front outer park assist sensor. REFER TO: Front Park Assist Sensor (413-13A Park Assist System, Removal and Installation).

B3 CHECK THE LEFT (LH) FRONT INNER PARK ASSIST SENSOR FOR INTERNAL SHORT TO GROUND

Ignition OFF. Disconnect: Left front inner park assist sensor C1429. The ignition is on. Using the diagnostic tool, clear the diagnostic trouble codes (DTCs) and repeat the self-test. Is DTC B1B57:11 still present? Yes If the vehicle is equipped with Active Park Assist, GO to B4. If the vehicle is NOT equipped with Active Park Assist, GO to B6. No INSTALL a new left front inner park assist sensor. REFER TO: Front Park Assist Sensor (413-13A Park Assist System, Removal and Installation).

B4 CHECK THE LEFT (LH) FRONT ACTIVE PARK ASSIST SENSOR FOR INTERNAL SHORT TO GROUND

Ignition OFF. Disconnect: Left front active park assist sensor C1607. The ignition is on. Using the diagnostic tool, clear the diagnostic trouble codes (DTCs) and repeat the self-test. Is DTC B1B57:11 still present? Yes GO to B5 No INSTALL a new left front active park assist sensor. REFER TO: Front Active Park Assist Sensors (413-13B Park Assist System - Vehicles With: Active Park Assist, Removal and Installation).

B5 CHECK THE RIGHT (RH) FRONT ACTIVE PARK ASSIST SENSOR FOR INTERNAL SHORT TO GROUND

Ignition OFF. Disconnect: Right front active park assist sensor C1608. The ignition is on. Using the diagnostic tool, clear the diagnostic trouble codes (DTCs) and repeat the self-test. Is DTC B1B57:11 still present? Yes GO to B6 No INSTALL a new right front active park assist sensor. REFER TO: Front Active Park Assist Sensors (413-13B Park Assist System - Vehicles With: Active Park Assist, Removal and Installation).

B6 CHECK THE RIGHT (RH) FRONT INNER PARK ASSIST SENSOR FOR INTERNAL SHORT TO GROUND

Ignition OFF. Disconnect: Right front inner park assist sensor C1431. The ignition is on. Using the diagnostic tool, clear the diagnostic trouble codes (DTCs) and repeat the self-test. Is DTC B1B57:11 still present? Yes GO to B7 No INSTALL a new right front inner park assist sensor. REFER TO: Front Park Assist Sensor (413-13A Park Assist System, Removal and Installation).

B7 CHECK THE RIGHT (RH) FRONT OUTER PARK ASSIST SENSOR FOR INTERNAL SHORT TO GROUND

Ignition OFF. Disconnect: Right front outer park assist sensor C1430. The ignition is on. Using the diagnostic tool, clear the diagnostic trouble codes (DTCs) and repeat the self-test. Is DTC B1B57:11 still present? Yes GO to B8 No INSTALL a new right front outer park assist sensor. REFER TO: Front Park Assist Sensor (413-13A Park Assist System, Removal and Installation).

B8 CHECK THE PARK ASSIST SENSOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND

Ignition OFF. Disconnect: BCM C2280C. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2280C-7 Ground Is the resistance greater than 10000 Ohms? Yes GO to B9 No REPAIR the circuit.

B9 CHECK THE PARK ASSIST SENSOR VOLTAGE CIRCUIT FOR A SHORT TOGETHER

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2280C-7 C2280C-35 Is the resistance greater than 10000 Ohms? Yes GO to B10 No REPAIR the circuits.

B10 CHECK THE BCM (BODY CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect the BCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM and all related inline connectors. Make sure they are installed and fully seated. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

B1B58:11

For wiring diagrams and connector information, refer to Cell 131 of the Wiring Diagrams.

Normal Operation and Fault Symptoms

The PAM supplies voltage to the rear park assist sensors and active park assist sensors through a common circuit. The PAM is an integral part of the BCM.

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
B1B58:11	Rear Sensor Power Supply Circuit: Short to Ground	Continuous on-demand DTC set when the rear sensor power circuit is shorted to ground or to the signal return circuit.

Possible Sources

• Wiring, Terminals or Connectors
• Rear Park Aid Sensor
• PAM (integral part of the BCM)

PINPOINT TEST C: B1B58:11

C1 CHECK THE BUMPER WIRING HARNESS

Ignition OFF. Inspect the bumper wiring harness for breaks, shorts, grounds or corrosion. Is the bumper wiring harness in good condition? Yes GO to C2 No REPAIR or INSTALL a new bumper wiring harness.

C2 CHECK THE LEFT (LEFT-HAND) REAR OUTER PARK ASSIST SENSOR FOR INTERNAL SHORT TO GROUND

Disconnect: Left rear outer park assist sensor C4009. The ignition is on. Using the diagnostic tool, clear the diagnostic trouble codes (DTCs) and repeat the self-test. Is DTC B1B58:11 still present? Yes GO to C3 No INSTALL a new left rear outer park assist sensor. REFER TO: Rear Park Assist Sensor (413-13A Park Assist System, Removal and Installation).

C3 CHECK THE LEFT (LEFT-HAND) REAR INNER PARK ASSIST SENSOR FOR INTERNAL SHORT TO GROUND

Ignition OFF. Disconnect: Left rear inner park assist sensor C4010. The ignition is on. Using the diagnostic tool, clear the diagnostic trouble codes (DTCs) and repeat the self-test. Is DTC B1B58:11 still present? Yes GO TO C4 No INSTALL a new left rear inner park assist sensor. REFER TO: Rear Park Assist Sensor (413-13A Park Assist System, Removal and Installation).

C4 CHECK THE RIGHT (RIGHT-HAND) REAR INNER PARK ASSIST SENSOR FOR INTERNAL SHORT TO GROUND

Ignition OFF. Disconnect: Right rear inner park assist sensor C4012. The ignition is on. Using the diagnostic tool, clear the diagnostic trouble codes (DTCs) and repeat the self-test. Is DTC B1B58:11 still present? Yes GO to C5 No INSTALL a new right rear inner park assist sensor. REFER TO: Rear Park Assist Sensor (413-13A Park Assist System, Removal and Installation).

C5 CHECK THE RIGHT (RIGHT-HAND) REAR OUTER PARK ASSIST SENSOR FOR INTERNAL SHORT TO GROUND

Ignition OFF. Disconnect: Right rear outer park assist sensor C4011. The ignition is on. Using the diagnostic tool, clear the diagnostic trouble codes (DTCs) and repeat the self-test. Is DTC B1B58:11 still present? Yes GO to C6 No INSTALL a new right rear outer park assist sensor. REFER TO: Rear Park Assist Sensor (413-13A Park Assist System, Removal and Installation).

C6 CHECK THE RIGHT (RIGHT-HAND) REAR SIDE ACTIVE PARK ASSIST SENSOR FOR INTERNAL SHORT TO GROUND

Ignition OFF. Disconnect: Right rear side active park assist sensor C4421. The ignition is on. Using the diagnostic scan tool, clear the DTCs and repeat the PAM self-test. Is DTC B1B58:11 still present? Yes GO TO C7 No INSTALL a new right rear side park assist sensor. REFER TO: Rear Active Park Assist Sensors (413-13B Park Assist System - Vehicles With: Active Park Assist System, Removal and Installation).

C7 CHECK THE LEFT (LEFT-HAND) REAR SIDE ACTIVE PARK ASSIST SENSOR FOR INTERNAL SHORT TO GROUND

Ignition OFF. Disconnect: Left rear side active park assist sensor C4420. The ignition is on. Using the diagnostic scan tool, clear the DTCs and repeat the PAM self-test. Is DTC B1B58:11 still present? Yes GO TO C8 No INSTALL a new left rear side park assist sensor. REFER TO: Rear Active Park Assist Sensors (413-13B Park Assist System - Vehicles With: Active Park Assist System, Removal and Installation).

C8 CHECK THE PARK ASSIST SENSOR VOLTAGE SUPPLY CIRCUIT FOR SHORT TO GROUND

Ignition OFF. Disconnect: BCM C2280E. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2280E-26 Ground Is the resistance greater than 10000 Ohms? Yes GO TO C9 No REPAIR the circuit.

C9 CHECK THE PARK AID SENSOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2280E-26 C2280E-27 Is the resistance greater than 10000 Ohms? Yes GO TO C10 No REPAIR the circuits.

C10 CHECK THE BCM (BODY CONTROL MODULE) FOR PROPER OPERATION

Ignition OFF. Disconnect and inspect the BCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM and all related inline connectors. Make sure they are installed and fully seated. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

B1B44:14, B1B46:14, B1B48:14, B1B50:14

For wiring diagrams and connector information, refer to Cell 131 of the Wiring Diagrams.

Normal Operation and Fault Symptoms

REFER TO: Park Assist System - System Operation and Component Description (413-13A Park Assist System, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
B1B44:14	Right Rear Outer Sensor: Short to Ground or Open Circuit	Continuous and on-demand DTC that sets when any of the circuits of the right rear outer park assist sensor are open or the sensor signal line is shorted to ground.
B1B46:14	Right Rear Inner Sensor: Short to Ground or Open Circuit	Continuous and on-demand DTC that sets when any of the circuits of the right rear inner park assist sensor are open or the sensor signal line is shorted to ground.
B1B48:14	Left rear outer sensor: short to ground or open circuit	Continuous on-demand DTC that sets when any of the circuits of the left rear outer park assist sensor are open or the sensor signal line is shorted to ground.
B1B50:14	Left Rear Inner Sensor: Short to Ground or Open Circuit	Continuous on-demand DTC that sets when any of the circuits of the left rear inner park assist sensor are open or the sensor signal line is shorted to ground.

Possible Sources

• Wiring, Terminals or Connectors
• Rear Park Aid Sensor
• PAM (integral part of the BCM)

PINPOINT TEST D: B1B44:14, B1B46:14, B1B48:14, B1B50:14

D1 RETRIEVE THE DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE PAM (PARK AID MODULE) SELF-TEST

Using the scan tool, perform the PAM self-test. Check the PAM diagnostic trouble codes (DTCs) from the self-test. Are DTCs recorded for multiple rear park assist sensors? Yes GO to D2 No For DTC B1B44:14, B1B46:14, B1B48:14 or B1B50:14, GO to D3. For information on all other diagnostic trouble codes (DTCs), REFER TO the PAM DTC Chart in this section.

D2 CHECK THE REAR BUMPER WIRING HARNESS

Ignition OFF. Inspect the rear bumper wiring harness for breaks, short circuits, ground faults or corrosion. Is the rear bumper wiring harness in good condition? Yes GO to D3 No REPAIR or INSTALL a new rear bumper wiring harness.

D3 CHECK THE REAR PARK ASSIST SENSOR CIRCUIT FOR OPEN CIRCUIT

Disconnect: Suspect park assist sensor. Disconnect: BCM C2280E. For DTC B1B44:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C2280E-26 C4011-1 C2280E-7 C4011-2 C2280E-27 C4011-3 For DTC B1B46:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C2280E-26 C4012-1 C2280E-8 C4012-2 C2280E-27 C4012-3 For DTC B1B48:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C2280E-26 C4009-1 C2280E-23 C4009-2 C2280E-27 C4009-3 For DTC B1B50:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C2280E-26 C4010-1 C2280E-24 C4010-2 C2280E-27 C4010-3 Is the resistance of the suspect sensor circuits less than 3 Ohms? Yes GO to D4 No REPAIR the faulty circuit.

D4 CHECK THE REAR PARK ASSIST SENSOR CIRCUIT FOR SHORT TO GROUND

For DTC B1B44:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C4011-2 Ground For DTC B1B46:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C4012-2 Ground For DTC B1B48:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C4009-2 Ground For DTC B1B50:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C4010-2 Ground Is the resistance of the sensor circuit in question greater than 10,000 Ohms? Yes If all park assist sensors have recorded DTCs, GO to D5. If one or more (but not all) park assist sensors have recorded DTCs, INSTALL new sensor(s) as required. REFER TO: Rear Park Assist Sensor (413-13A Park Assist System, Removal and Installation). No REPAIR the faulty circuit.

D5 CHECK BCM (BODY CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect the BCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM and all related inline connectors. Make sure they are installed and fully seated. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

B1B44:12, B1B46:12, B1B48:12, B1B50:12

For wiring diagrams and connector information, refer to Cell 131 of the Wiring Diagrams.

Normal Operation and Fault Symptoms

REFER TO: Park Assist System - System Operation and Component Description (413-13A Park Assist System, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
B1B44:12	Right Rear Outer Sensor: Short to Battery	Continuous on-demand DTC that sets when the signal circuit of the right rear outer park assist sensor is shorted to battery voltage.
B1B46:12	Right Rear Inner Sensor: Short to Battery	Continuous on-demand DTC that sets when the signal circuit of the right rear inner park assist sensor is shorted to battery voltage.
B1B48:12	Left Rear Outer Sensor: Short to Battery	Continuous on-demand DTC that sets when the signal circuit of the left rear outer park assist sensor is shorted to battery voltage.
B1B50:12	Left Rear Inner Sensor: Short to Battery	Continuous on-demand DTC that sets when the signal circuit of the left rear inner park assist sensor is shorted to battery voltage.

Possible Sources

• Wiring, Terminals or Connectors
• Rear Park Aid Sensor
• PAM (integral part of the BCM)

PINPOINT TEST E: B1B44:12, B1B46:12, B1B48:12, B1B50:12

E1 RETRIEVE DIAGNOSTIC TROUBLE CODES (DTCS) FROM PAM (PARK ASSIST MODULE) SELF-TEST

Using the scan tool, perform the PAM self-test. Check the PAM diagnostic trouble codes (DTCs) from the self-test. Are DTCs recorded for multiple rear park assist sensors? Yes GO to E2 No For diagnostic trouble codes (DTCs) B1B44:12, B1B46:12, B1B48:12 or B1B50:12, GO to E3. For information on all other diagnostic trouble codes (DTCs), REFER to the PAM DTC chart in this section.

E2 CHECK THE REAR BUMPER WIRING HARNESS

Ignition OFF. Inspect the rear bumper wiring harness for breaks, short circuits, ground faults or corrosion. Is the rear bumper wiring harness in good condition? Yes GO to E3 No REPAIR or INSTALL a new rear bumper wiring harness.

E3 CHECK THE REAR PARK AID SENSOR CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF. Disconnect: Suspect Park Aid Sensor(s). Disconnect the C2280E connector. The ignition is on. For DTC B1B44:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C4011-2 Ground For DTC B1B46:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C4012-2 Ground For DTC B1B48:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C4009-2 Ground For DTC B1B50:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C4010-2 Ground Is there voltage present? Yes REPAIR the faulty circuit. No GO to E4

E4 CHECK THE REAR PARK AID SENSOR CIRCUIT FOR A SHORT TO GROUND

Ignition OFF. For DTC B1B44:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C4011-2 C4011-1 For DTC B1B46:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C4012-2 C4012-1 For DTC B1B48:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C4009-2 C4009-1 For DTC B1B50:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C4010-2 C4010-1 Is the resistance greater than 10000 Ohms? Yes If all the sensor DTCs are set, GO to E5. If one or more (but not all) of the park aid sensors have DTCs set, INSTALL a new sensor for the one in question. REFER to: Rear Park Aid Sensor (413-13A Park Aid System, Removal and Installation). No REPAIR the affected circuits.

E5 CHECK THE BCM (BODY CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect the BCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM and all related inline connectors. Make sure they are installed and fully seated. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

B1B44:96, B1B46:96, B1B48:96, B1B50:96

For wiring diagrams and connector information, refer to Cell 131 of the Wiring Diagrams.

Normal Operation and Fault Symptoms

REFER TO: Park Assist System - System Operation and Component Description (413-13A Park Assist System, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
B1B44:96	Right Rear Outer Sensor: Internal Component Malfunction	Continuous and on-demand DTC that is set when the right rear outer park aid sensor has an internal fault or has an incorrect decay time.
B1B46:96	Right Rear Inner Sensor: Internal Component Malfunction	Continuous and on-demand DTC that is set when the right rear inner park aid sensor has an internal fault or has an incorrect decay time.
B1B48:96	Left Rear Outer Sensor: Internal Component Malfunction	Continuous and on-demand DTC that is set when the left rear outer park aid sensor has an internal fault or has an incorrect decay time.
B1B50:96	Left Rear Inner Sensor: Internal Component Malfunction	Continuous and on-demand DTC that is set when the left rear inner park aid sensor has an internal fault or has an incorrect decay time.

Possible Sources

• Wiring, Terminals or Connectors
• Rear Park Aid Sensor
• PAM (integral part of the BCM)

PINPOINT TEST F: B1B44:96, B1B46:96, B1B48:96, B1B50:96

F1 CHECK THE PAM (PARKING AID MODULE) SELF-TEST DIAGNOSTIC TROUBLE CODES (DTCS)

Using the scan tool, perform the PAM self-test. Check the PAM diagnostic trouble codes (DTCs) from the self-test. Are there parking aid system Diagnostic Trouble Codes (DTCs) other than B1B44:96, B1B46:96, B1B48:96 or B1B50:96? Yes For information on all other diagnostic trouble codes (DTCs), REFER to the PAM DTC chart in this section. No GO to F2

F2 CHECK THE PARK AID SENSOR DISTANCE PARAMETER IDENTIFICATION WITH NO OBJECT BEHIND THE VEHICLE

Clean the rear bumper and sensors with high-pressure water. Make sure the suspect Parking Aid sensor(s) is installed flush in the fascia. The ignition is on. Using the diagnostic scan tool, monitor the PAM park aid sensor parameter identification (PID) distances (LRI_DIST, LRO_DIST, RRI_DIST, RRO_DIST). The PID should display 2540 mm (100 in) on a correctly operating sensor. Does the PID show 2540 mm (100 inches)? Yes GO to F3 No GO to F4

F3 CHECK THE PARK AID SENSOR DISTANCE PARAMETER IDENTIFICATIONS (PIDS) WITH A TEST OBJECT BEHIND THE VEHICLE

Using a diagnostic scan tool, monitor the Parking Aid Module (PAM) distance Parameter Identifications (PIDs) (LRI_DIST, LRO_DIST, RRI_DIST, RRO_DIST). While monitoring the parameter identification (PID) values, move the test object into and out of the detection zone of each sensor. For example, a test object. REFER to: Azimuth System Check (413-13A Park Aid, General Procedures). Does the PID approximately match the distance of the test object from the rear bumper of the vehicle? Yes GO to F5 No GO to F4

F4 CHECK THE PARK AID SENSORS

Ignition OFF. Install a new suspect park aid sensor. REFER to: Rear Park Aid Sensor (413-13A Park Aid System, Removal and Installation). The ignition is on. Using the scan tool, clear the diagnostic trouble codes (DTCs). Repeat the self-test. Operate the system and verify the concern no longer exists. Is the concern still present? Yes GO to F5 No The concern was a malfunctioning Parking Aid sensor. The system now operates correctly.

F5 CHECK THE BCM (BODY CONTROL MODULE) FOR CORRECT OPERATION

Ignition OFF. Disconnect and inspect the BCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM and all related inline connectors. Make sure they are installed and fully seated. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

B1B36:12, B1B38:12, B1B40:12, B1B42:12

For wiring diagrams and connector information, refer to Cell 131 of the Wiring Diagrams.

Normal Operation and Fault Symptoms

REFER TO: Park Assist System - System Operation and Component Description (413-13A Park Assist System, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
B1B36:12	Right Front Outer Sensor: Short to Battery	Continuous and on-demand DTC that is set when the signal circuit of the right front outer park aid sensor is shorted to battery voltage.
B1B38:12	Right Front Inner Sensor: Short to Battery	Continuous and on-demand DTC that is set when the signal circuit of the right front inner park aid sensor is shorted to battery voltage.
B1B40:12	Left Front Outer Sensor: Short to Battery	Continuous and on-demand DTC that is set when the signal circuit of the left front outer park aid sensor is shorted to battery voltage.
B1B42:12	Left Front Inner Sensor: Short to Battery	Continuous and on-demand DTC that is set when the signal circuit of the left front inner park aid sensor is shorted to battery voltage.

Possible Sources

• Wiring, Terminals or Connectors
• Front Parking Aid sensor
• PAM (integral part of the BCM)

PINPOINT TEST G: B1B36:12, B1B38:12, B1B40:12, B1B42:12

G1 OBTAIN DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE PAM (PARK AID MODULE) SELF-TEST

Using the scan tool, perform the PAM self-test. Check the PAM diagnostic trouble codes (DTCs) from the self-test. Are DTCs recorded for multiple rear park assist sensors? Yes GO to G2 No For DTCs B1B44:12, B1B46:12, B1B48:12 or B1B50:12, GO to G3. For information on all other diagnostic trouble codes (DTCs), REFER to the PAM DTC chart in this section.

G2 CHECK THE FRONT BUMPER WIRING HARNESS

Ignition OFF. Inspect the front bumper wiring harness for breaks, short circuits, grounds or corrosion. Is the front bumper wiring harness in good condition? Yes GO to G3 No REPAIR or INSTALL a new front bumper wiring harness.

G3 CHECK THE FRONT PARK AID SENSOR CIRCUIT FOR A SHORT TO VOLTAGE

Disconnect: Suspect Park Aid Sensor(s). Disconnect C2280C. The ignition is on. For DTC B1B36:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C1431-2 Ground For DTC B1B38:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C1430-2 Ground For DTC B1B40:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C1428-2 Ground For DTC B1B42:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C1429-2 Ground Is there voltage present? Yes REPAIR the faulty circuit. No GO to G4

G4 CHECK THE REAR PARK AID SENSOR CIRCUIT FOR A SHORT TO GROUND

Ignition OFF. For DTC B1B36:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C1431-2 C1431-1 For DTC B1B38:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C1430-2 C1430-1 For DTC B1B40:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C1428-2 C1428-1 For DTC B1B42:12, measure: Click to display connectors Positive lead Measurement/Action Negative lead C1429-2 C1429-1 Is the resistance greater than 10000 Ohms? Yes If all the sensor DTCs are set, GO to G5. If one or more (but not all) of the park aid sensors have DTCs set, INSTALL a new sensor for the one in question. REFER to: Front Park Aid Sensor (413-13A Park Aid System, Removal and Installation). No REPAIR the affected circuits.

G5 CHECK THE BCM (BODY CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect the BCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM and all related inline connectors. Make sure they are installed and fully seated. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

B1B36:14, B1B38:14, B1B40:14, B1B42:14

For wiring diagrams and connector information, refer to Cell 131 of the Wiring Diagrams.

Normal Operation and Fault Symptoms

REFER TO: Park Assist System - System Operation and Component Description (413-13A Park Assist System, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
B1B36:14	Right Front Outer Sensor: Short to Ground or Open Circuit	Continuous and on-demand DTC that is set when any of the circuits of the right front outer park aid sensor are open or the sensor signal circuit is shorted to ground.
B1B38:14	Right front inner park aid sensor: short to ground or open circuit	Continuous and on-demand DTC that sets when any of the circuits of the right front inner Parking Aid sensor are open or the sensor signal circuit is shorted to ground.
B1B40:14	Left Front Outer Sensor: Short to Ground or Open	Continuous and on-demand DTC that sets when any of the circuits of the left front outer Parking Aid sensor are open or the sensor signal circuit is shorted to ground.
B1B42:14	Left Front Inner Sensor: Short to Ground or Open	Continuous and on-demand DTC that sets when any of the circuits of the left front inner Parking Aid sensor are open or the sensor signal circuit is shorted to ground.

Possible Sources

• Wiring, Terminals or Connectors
• Front Parking Aid sensor
• PAM (integral part of the BCM)

PINPOINT TEST H: B1B36:14, B1B38:14, B1B40:14, B1B42:14

H1 RETRIEVE DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE PAM (PARKING AID MODULE) SELF-TEST

Using the scan tool, perform the PAM self-test. Check the PAM diagnostic trouble codes (DTCs) from the self-test. Are DTCs recorded for multiple front Parking Aid sensors? Yes GO to H2 No For DTC B1B36:14, B1B38:14, B1B40:14 or B1B42:14, GO to H3. For information on all other DTCs, REFER to the PAM. DTC Chart in this section.

H2 CHECK THE FRONT BUMPER WIRING HARNESS

Ignition OFF. Inspect the front bumper wiring harness for breaks, short circuits, grounds or corrosion. Is the front bumper wiring harness in good condition? Yes GO to H3 No REPAIR or INSTALL a new front bumper wiring harness.

H3 CHECK THE FRONT PARKING AID SENSOR CIRCUIT FOR AN OPEN

Disconnect: suspect Parking Aid sensor(s). Disconnect: BCM C2280C. For DTC B1B36:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C2280C-7 C1431-1 C2280C-21 C1431-2 C2280C-35 C1431-3 For DTC B1B38:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C2280C-7 C1430-1 C2280C-22 C1430-2 C2280C-35 C1430-3 For DTC B1B40:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C2280C-7 C1428-1 C2280C-31 C1428-2 C2280C-35 C1428-3 For DTC B1B42:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C2280C-7 C1429-1 C2280C-32 C1429-2 C2280C-35 C1429-3 Is the resistance of the suspect sensor circuits less than 3 Ohms? Yes GO to H4 No REPAIR the faulty circuit.

H4 CHECK THE FRONT PARKING AID SENSOR CIRCUIT FOR A SHORT TO GROUND

For DTC B1B36:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C1431-2 Ground For DTC B1B38:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C1430-2 Ground For DTC B1B40:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C1428-2 Ground For DTC B1B42:14, measure: Click to display connectors Positive lead Measurement/Action Negative lead C1429-2 Ground Is the resistance of the sensor circuit in question greater than 10,000 Ohms? Yes If all Parking Aid sensors have recorded DTCs, GO to H5. If one or more (but not all) Parking Aid sensors have recorded DTCs, INSTALL new sensor(s) as required. REFER to: Front Parking Aid Sensor (413-13A Parking Aid System, Removal and Installation). No REPAIR the faulty circuit.

H5 CHECK THE BCM (BODY CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect the BCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM and all related inline connectors. Make sure they are installed and fully seated. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

B1B36:96, B1B38:96, B1B40:96, B1B42:96

For wiring diagrams and connector information, refer to Cell 131 of the Wiring Diagrams.

Normal Operation and Fault Symptoms

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
B1B36:96	Right Front Outer Sensor: Internal Component Malfunction	Continuous on-demand DTC that sets when the right front outer Parking Aid sensor has an internal fault or has an incorrect decay time.
B1B38:96	Right Front Inner Sensor: Internal Component Malfunction	Continuous on-demand DTC that sets when the right front inner Parking Aid sensor has an internal fault or has an incorrect decay time.
B1B40:96	Left Front Outer Sensor: Internal Component Malfunction	Continuous on-demand DTC that sets when the left front outer Parking Aid sensor has an internal fault or has an incorrect decay time.
B1B42:96	Left Front Inner Sensor: Internal Component Malfunction	Continuous on-demand DTC that sets when the left front inner Parking Aid sensor has an internal fault or has an incorrect decay time.

Possible Sources

• Wiring, Terminals or Connectors
• Front Parking Aid sensor
• PAM (integral part of the BCM)

PINPOINT TEST I: B1B36:96, B1B38:96, B1B40:96, B1B42:96

I1 CHECK THE DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE PAM (PARK ASSIST MODULE) SELF-TEST

Using the scan tool, perform the PAM self-test. Check the PAM diagnostic trouble codes (DTCs) from the self-test. Are there parking aid system Diagnostic Trouble Codes (DTCs) other than B1B36:96, B1B38:96, B1B40:96 or B1B42:96? Yes For information on all other diagnostic trouble codes (DTCs), REFER to the PAM DTC chart in this section. No GO to I2.

I2 CHECK THE PARKING AID SENSOR DISTANCE PIDS WITH NO OBJECTS IN FRONT OF THE VEHICLE

Clean the front bumper and sensors with high-pressure water. Make sure the suspect Parking Aid sensor(s) is installed flush in the fascia. The ignition is on. Using the diagnostic scanner, monitor the PAM Parking Aid sensor distance parameter identifications (PIDs) (LFI_DIST, LFO_DIST, RFI_DIST, RFO_DIST). The PID reads 2540 mm (100 in) on a correctly operating sensor. Does the PID show 2540 mm (100 inches)? Yes GO to I3 No GO to I4

I3 CHECK THE PARKING AID SENSOR DISTANCE WITH A TEST OBJECT IN FRONT OF THE VEHICLE

Using a diagnostic scan tool, monitor the PAM distance Parameter Identifications (PIDs) (LFI_DIST, LFO_DIST, RFI_DIST, RFO_DIST). While monitoring the parameter identification (PID) values, move the test object into and out of the detection zone of each sensor. For example, a test object. REFER to: Azimuth System Check (413-13A Park Aid, General Procedures). Does the PID approximately match the distance of the test object from the front bumper of the vehicle? Yes GO to I5 No GO to I4

I4 CHECK THE PARKING AID SENSORS

Ignition OFF. INSTALL a new suspect Parking Aid sensor. REFER to: Front Parking Aid Sensor (413-13A Parking Aid System, Removal and Installation). The ignition is on. Using the scan tool, clear the diagnostic trouble codes (DTCs). Repeat the self-test. Operate the system and verify the concern no longer exists. Is the concern still present? Yes GO to I5 No The concern was a malfunctioning Parking Aid sensor. The system now operates correctly.

I5 CHECK BCM (BODY CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect the BCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM and all related inline connectors. Make sure they are installed and fully seated. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

Parking Aid Switch Not Functioning

For wiring diagrams and connector information, refer to Cell 131 of the Wiring Diagrams.

Normal Operation and Fault Symptoms

When pressed, the Parking Aid switch provides a ground to the PAM. The switch is a normally open momentary contact switch. The switch is disabled when MyKey® is in use.

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
B1303:11	Parking Aid System Switch: Short to Ground	Continuous on-demand DTC that sets when the PAM detects the Parking Aid switch signal circuit is shorted to ground or the Parking Aid switch has been closed for at least 10 seconds.

Possible Sources

• MyKey® Restricted Key Used (Normal Operation)
• Wiring, Terminals or Connectors
• PAM (integral part of the BCM)
• Parking Aid Switch (integrated into the Active Parking Aid switch)

Visual Inspection and Preliminary Diagnosis

• Make sure that a MyKey® restricted key is not being used.

PINPOINT TEST J: PARKING AID SWITCH DOES NOT OPERATE

J1 CHECK THE PAM (PARKING AID MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

The ignition is on. Using the diagnostic scan tool, retrieve the PAM DTCs. Is DTC B1303:11 present? Yes GO to J2 No GO to J4

J2 CHECK THE PARKING AID SWITCH FOR AN INTERNAL SHORT

Disconnect the Active Parking Aid switch C2489. The ignition is on. Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Perform the PAM self-test. Is DTC B1303:11 still present? Yes GO to J3 No INSTALL a new Parking Aid switch. REFER to: Active Parking Aid Switch (413-13B Parking Aid System - Vehicles With: Active Parking Aid, Removal and Installation).

J3 CHECK THE PARKING AID SWITCH SIGNAL CIRCUIT FOR A SHORT TO GROUND

Ignition OFF. Disconnect C2280G. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2489-4 Ground Is the resistance greater than 10000 Ohms? Yes GO to J7 No REPAIR the circuit.

J4 CHECK THE PARKING AID SWITCH SIGNAL CIRCUIT FOR AN OPEN

Ignition OFF. Disconnect the Active Parking Aid switch C2489. Connect a fused jumper wire between: Click to display connectors Positive lead Measurement/Action Negative lead C2489-4 C2489-3 Using the diagnostic scanner, repeat the PAM self-test. Is DTC B1303:11 present? Yes REMOVE the fusible link. INSTALL a new Parking Aid switch. REFER to: Active Parking Aid Switch (413-13B Parking Aid System - Vehicles With: Active Parking Aid, Removal and Installation). No REMOVE the fusible link. GO to J5.

J5 CHECK THE PARKING AID SWITCH SIGNAL CIRCUIT FOR AN OPEN BETWEEN THE SWITCH AND THE BCM (BODY CONTROL MODULE)

Ignition OFF. Disconnect C2280G. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2489-4 C2280G-4 Is the resistance less than 3 ohms? Yes GO to J6 No REPAIR the circuit.

J6 CHECK THE PARK AID SWITCH "GROUND" CIRCUIT FOR AN OPEN

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2489-3 Ground Is the resistance less than 3 ohms? Yes GO to J7 No REPAIR the circuit.

J7 CHECK BCM (BODY CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect all BCM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins backed-out pins - install new pins as necessary Reconnect the BCM connectors. Make sure they are fully seated and locked. Operate the system and determine if the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSB). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If no TSB addresses this concern, Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin concerns.

Park Aid switch status indicator LED does not illuminate or is always on

For wiring diagrams and connector information, refer to Cell 131 of the Wiring Diagrams.

Normal Operation and Fault Symptoms

REFER TO: Park Assist System - System Operation and Component Description (413-13A Park Assist System, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
B1B54:11	Park Assist Function LED: Short to Ground	Continuous DTC, retrieved on demand, that sets when the PAM detects a short to ground in the Park Aid switch status indicator LED circuit.
B1B54:12	Function LED — Parking Aid System: Short to Battery	Continuous DTC, retrieved on demand, that sets when the PAM detects a short to battery voltage in the Park Aid switch status indicator LED circuit.

Possible Sources

• Wiring, Terminals or Connectors
• PAM (integral part of the BCM)
• Parking Aid Switch (integrated into the Active Parking Aid switch)

PINPOINT TEST K: PARKING AID SWITCH STATUS INDICATOR (LIGHT EMITTING DIODE) DOES NOT OPERATE OR IS ALWAYS ON

K1 CHECK THE PAM (PARK AID MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

The ignition is on. Using the diagnostic scan tool, retrieve the PAM DTCs. Is DTC B1B54:11 present? Yes GO to K2 No If the LED does not illuminate, GO to K6. If the LED is always on, GO to K4.

K2 CHECK THE PAM (PARK AID MODULE) DIAGNOSTIC TROUBLE CODES (DTCS) WITH THE SWITCH DISCONNECTED

Ignition OFF. Disconnect the Active Parking Aid switch C2489. The ignition is on. Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Perform the PAM self-test. Is DTC B1B54:11 still present? Yes GO to K3 No INSTALL a new Parking Aid switch. REFER to: Active Parking Aid Switch (413-13B Parking Aid System - Vehicles With: Active Parking Aid, Removal and Installation).

K3 CHECK THE PARK AID SWITCH STATUS INDICATOR (LED) CIRCUIT FOR A SHORT TO GROUND

Ignition OFF. Disconnect C2280G. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2489-1 Ground Is the resistance greater than 10000 Ohms? Yes GO to K9 No REPAIR the circuit.

K4 CHECK THE PARK AID SWITCH STATUS INDICATOR (LED) CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF. Disconnect C2280G. The ignition is on. Does the park aid switch status indicator LED remain illuminated? Yes GO to K5 No GO to K9

K5 MEASURE THE VOLTAGE AT THE PARK AID SWITCH STATUS INDICATOR (LED) CIRCUIT

Ignition OFF. Disconnect the Active Parking Aid switch C2489. The ignition is on. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2489-1 Ground Is there voltage present? Yes REPAIR the circuit. No INSTALL a new Parking Aid switch. REFER to: Active Parking Aid Switch (413-13B Parking Aid System - Vehicles With: Active Parking Aid, Removal and Installation).

K6 CHECK THE PAM (PARK AID MODULE) DIAGNOSTIC TROUBLE CODES (DTCS) FOR THE PARK AID SWITCH STATUS INDICATOR (LED) CIRCUIT SHORTED TO GROUND

Ignition OFF. Disconnect the Active Parking Aid switch C2489. Connect a fused jumper wire between: Click to display connectors Positive lead Measurement/Action Negative lead C2489-1 C2489-3 The ignition is on. Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Perform the PAM self-test. Is DTC B1B54:11 present? Yes REMOVE the fusible link. INSTALL a new Parking Aid switch. REFER to: Active Parking Aid Switch (413-13B Parking Aid System - Vehicles With: Active Parking Aid, Removal and Installation). No REMOVE the fusible link. GO to K7.

K7 CHECK THE PARK AID SWITCH STATUS INDICATOR (LED) CIRCUIT FOR AN OPEN

Ignition OFF. Disconnect C2280G. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2489-1 C2280G-34 Is the resistance less than 3 ohms? Yes GO to K8 No REPAIR the circuit.

K8 CHECK THE PARK AID SWITCH "GROUND" CIRCUIT FOR AN OPEN

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2489-3 Ground Is the resistance less than 3 ohms? Yes GO to K9 No REPAIR the circuit.

K9 CHECK BCM (BODY CONTROL MODULE) PROPER OPERATION

Ignition OFF. Disconnect and inspect the BCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM and all related inline connectors. Make sure they are installed and fully seated. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

U0100:00

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

The PAM communicates with the PCM on the HS-CAN1 bus.

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0100:00	Lost Communication With ECM/PCM "A": No Sub Type Information	Sets in continuous memory in the PAM if messages from the PCM are not received for 5 seconds or more.

Possible Sources

• Communication Problem
• PAM (integral part of the BCM) concern
• PCM

PINPOINT TEST L: U0100:00

L1 CHECK THE SCANNER COMMUNICATION WITH THE PCM (POWERTRAIN CONTROL MODULE)

Connect the diagnostic scan tool. Verify that a vehicle session can be established using the scan tool. Can a vehicle communication session be established? Yes GO to L2 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

L2 CHECK THE PAM (PARK AID MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

The ignition is on. Using the scan tool, perform the PAM self-test. Clear the Diagnostic Trouble Codes (DTCs). Wait 10 seconds. Repeat the PAM self-test. Are there any non-network diagnostic trouble codes (DTCs)? Yes CHECK all non-network Diagnostic Trouble Codes (DTCs). REFER to the PAM DTC Chart in this section. No GO to L3

L3 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using the diagnostic scan tool, perform a PCM self-test. Are there any non-network diagnostic trouble codes (DTCs)? Yes DIAGNOSE all non-network Diagnostic Trouble Codes (DTCs). Refer to the appropriate Group 303 section for the procedure. No GO to L4

L4 RECHECK THE PAM (PARK AID MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Check the PAM Diagnostic Trouble Codes (DTCs). Is DTC U0100:00 still present? Yes GO to L5 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent condition.

L5 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK CONCERNS

CHECK the vehicle service history for recent service actions related to the PCM or PAM. If recent service history is found: make sure the correct replacement module was installed HVBOM can be used to verify the correct part installation. make sure the replacement module configuration was correct reconfigure the module using the original data if the previous configuration is suspected make sure the module was not obtained from a similar vehicle and installed on the customer's vehicle Reinstall the replaced module in the original vehicle and obtain a new replacement module. Operate the system and determine whether the observed symptom persists. Is the observed symptom still present? Yes GO to L6 No The system is currently operating correctly. The concern may have been caused by incorrect part replacement procedures or incorrect module configuration.

L6 CHECK THE PCM (POWERTRAIN CONTROL MODULE) FOR PROPER OPERATION

Ignition OFF. Disconnect and inspect the PCM and the associated harness connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins backed-out pins - install new pins as necessary Reconnect the PCM and all related inline connectors. Make sure they are fully seated and locked. Operate the system and determine if the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the TSBs do not resolve the concern, Click here to access the guided routine (PCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

U0101:00

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

The PAM communicates with the TCM on the HS-CAN1 bus.

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0101:00	Lost Communication with TCM: No Sub Type Information	Sets in continuous memory in the PAM if messages from the TCM are not received for 5 seconds or more.

Possible Sources

• Communication Problem
• TCM (integral to the PCM)
• PAM (integral part of the BCM) concern

PINPOINT TEST M: U0101:00

M1 CHECK THE SCANNER COMMUNICATION WITH THE PCM (POWERTRAIN CONTROL MODULE)

Connect the diagnostic scan tool. Verify that a vehicle session can be established using the scan tool. Can a vehicle communication session be established? Yes GO to M2 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

M2 CHECK THE PAM (PARK AID MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

The ignition is on. Using the scan tool, perform the PAM self-test. Clear the Diagnostic Trouble Codes (DTCs). Wait 10 seconds. Repeat the PAM self-test. Are there any non-network diagnostic trouble codes (DTCs)? Yes CHECK all non-network Diagnostic Trouble Codes (DTCs). REFER to the PAM DTC Chart in this section. No GO to M3

M3 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

Using the diagnostic scan tool, perform a PCM self-test. Are there any non-network diagnostic trouble codes (DTCs)? Yes DIAGNOSE all non-network Diagnostic Trouble Codes (DTCs). Refer to the appropriate Group 303 section for the procedure. No GO to M4

M4 RECHECK THE PAM (PARK AID MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Check the PAM Diagnostic Trouble Codes (DTCs). DTC U0101:00 still present? Yes GO to M5 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent condition.

M5 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK CONCERNS

CHECK the vehicle service history for recent service actions related to the PCM or PAM. If recent service history is found: make sure the correct replacement module was installed HVBOM can be used to verify the correct part installation. make sure the replacement module configuration was correct reconfigure the module using the original data if the previous configuration is suspected make sure the module was not obtained from a similar vehicle and installed on the customer's vehicle Reinstall the replaced module in the original vehicle and obtain a new replacement module. Operate the system and determine whether the observed symptom persists. Is the observed symptom still present? Yes GO to M6 No The system is currently operating correctly. The concern may have been caused by incorrect part replacement procedures or incorrect module configuration.

M6 CHECK THE PCM (POWERTRAIN CONTROL MODULE) FOR PROPER OPERATION

Ignition OFF. Disconnect and inspect the PCM and the associated harness connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins backed-out pins - install new pins as necessary Reconnect the PCM and all related inline connectors. Make sure they are fully seated and locked. Operate the system and determine if the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the TSBs do not resolve the concern, Click here to access the guided routine (PCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

U0121:00

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

The PAM communicates with the ABS module through the GWM.
Refer to: Park Aid System - System Operation and Component Description (413-13A Park Aid System, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0121:00	Lost Communication with Anti-Lock Braking System (ABS) Control Module: No Sub-Type Information	Sets in permanent memory in the PAM if messages from the ABS module through the GWM are not received for 5 seconds or more.

Possible Sources

• Communication Problem
• ABS Module
• GWM concern
• PAM (integral part of the BCM) concern

PINPOINT TEST N: U0121:00

N1 CONFIRM THE CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to N2 No CLEAR the DTC. The system is currently operating normally. The DTC may have been set due to high network traffic or an intermittent condition.

N2 CHECK THE COMMUNICATION NETWORK

Using a scan tool, perform the network test. Does the ABS module pass the network test? Yes GO to N3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

N3 PERFORM THE PAM (PARK AID MODULE) SELF-TEST

Using the scan tool, perform the PAM self-test. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER to the PAM DTC Chart in this section. No GO to N4

N4 CHECK GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using the diagnostic scanner, check the GWM continuous memory diagnostic trouble codes (CMDTCs). Are any Diagnostic Trouble Codes (DTCs) recorded? Yes REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing). No GO to N5

N5 PERFORM THE ABS (ANTI-LOCK BRAKE SYSTEM) MODULE SELF-TEST

Using the diagnostic scan tool, perform a self-test of the ABS module. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER TO: Anti-Lock Brake System (ABS) and Stability Control System (206-09 Anti-Lock Brake System (ABS) and Stability Control System, Diagnosis and Testing). No GO to N6

N6 RECHECK THE PAM (PARK AID MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Check the PAM Diagnostic Trouble Codes (DTCs). Is DTC U0121:00 still present? Yes GO to N7 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent condition.

N7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK PROBLEMS

CHECK the vehicle service history for recent service actions involving the ABS module, GWM or PAM. If recent service history is found: make sure the correct replacement module was installed HVBOM can be used to verify the correct part installation. make sure the replacement module configuration was correct reconfigure the module using the original data if the previous configuration is suspected make sure the module was not obtained from a similar vehicle and installed on the customer's vehicle Reinstall the replaced module in the original vehicle and obtain a new replacement module. Operate the system and determine whether the observed symptom persists. Is the observed symptom still present? Yes GO to N8 No The system is currently operating correctly. The concern may have been caused by incorrect part replacement procedures or incorrect module configuration.

N8 CHECK THE ABS (ANTI-LOCK BRAKE SYSTEM) MODULE FOR PROPER OPERATION

Ignition OFF. Disconnect and inspect the ABS module and all related harness connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins backed-out pins - install new pins as necessary Reconnect the ABS module and all related harness connectors. Make sure they are fully seated and locked. Operate the system and determine if the concern is still present. Is the concern still present? Yes For HEV and PHEV: CHECK OASIS for any applicable Technical Service Bulletins (TSB). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If no TSB addresses this concern, INSTALL a new ABS module. Refer to: Anti-Lock Brake System (ABS) Module (206-09 Anti-Lock Brake System (ABS) and Stability Control System, Removal and Installation). For gas-only vehicles, CHECK OASIS for any applicable Technical Service Bulletins (TSB). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If no TSBs address this concern. Click here to access the Managed Routine (ABS). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

U0131:00

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

The PAM communicates with the PSCM through the GWM.
Refer to: Park Aid System - System Operation and Component Description (413-13A Park Aid System, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0131:00	Power Steering Control Module Communication Lost: No Sub-Type Information	Sets in continuous memory in the PAM if messages from the PSCM through the GWM are not received for 5 seconds or more.

Possible Sources

• Communication Problem
• PSCM concern
• GWM concern
• PAM (integral part of the BCM) concern

PINPOINT TEST O: U0131:00

O1 CONFIRM THE CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to O2 No CLEAR the DTC. The system is currently operating normally. The DTC may have been set due to high network traffic or an intermittent condition.

O2 CHECK THE COMMUNICATION NETWORK

Using a scan tool, perform the network test. Does the PSCM pass the network test? Yes GO to O3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

O3 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE PAM (PARK AID MODULE) SELF-TEST

Using the diagnostic scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the PAM. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER to the PAM DTC Chart in this section. No GO to O4

O4 CHECK GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using the diagnostic scanner, check the GWM continuous memory diagnostic trouble codes (CMDTCs). Are any Diagnostic Trouble Codes (DTCs) recorded? Yes REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing). No GO to O5

O5 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE PSCM (POWER STEERING CONTROL MODULE) SELF-TEST

Using the diagnostic scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the PSCM. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER TO: Power Steering (211-02 Power Steering, Diagnosis and Testing). No GO to O6

O6 RECHECK PAM (PARK ASSIST MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Check the PAM Diagnostic Trouble Codes (DTCs). IS DTC U0131:00 STILL PRESENT? Yes GO to O7 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent condition.

O7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK PROBLEMS

CHECK the vehicle service history for recent service actions involving the PSCM, GWM or PAM. If recent service history is found: make sure the correct replacement module was installed HVBOM can be used to verify the correct part installation. make sure the replacement module configuration was correct reconfigure the module using the original data if the previous configuration is suspected make sure the module was not obtained from a similar vehicle and installed on the customer's vehicle Reinstall the replaced module in the original vehicle and obtain a new replacement module. Operate the system and determine whether the observed symptom persists. Is the observed symptom still present? Yes GO to O8 No The system is currently operating correctly. The concern may have been caused by incorrect part replacement procedures or incorrect module configuration.

O8 CHECK PSCM (POWER STEERING CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect all PSCM modules and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the PSCM and all related harness connectors. Make sure they are fully seated and locked. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided routine (EPAS). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

U0140:00

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

The PAM communicates with the BCM through HS-CAN1.

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0140:00	Lost Communication With Body Control Module: No Sub Type Information	Continuous on-demand DTC that sets when the PAM is unable to communicate with the BCM for 5 seconds or more.

Possible Sources

• Communication Problem
• BCM
• PAM (integral part of the BCM) concern

PINPOINT TEST P: U0140:00

P1 VERIFY THE CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to P2 No CLEAR the DTC. The system is currently operating normally. The DTC may have been set due to high network traffic or an intermittent condition.

P2 CHECK THE NETWORK COMMUNICATION

Using a scan tool, perform the network test. Does the BCM pass the network test? Yes GO to P3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

P3 RETRIEVE STORED DIAGNOSTIC TROUBLE CODES (DTCS) FROM PAM (PARK ASSIST MODULE) SELF-TEST

Using the diagnostic scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the PAM. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER to the PAM DTC Chart in this section. No GO to P4

P4 RETRIEVE STORED DIAGNOSTIC TROUBLE CODES (DTCS) FROM BCM (BODY CONTROL MODULE) SELF-TEST

Using the scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the BCM. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing). No GO to P5

P5 RECHECK PAM (PARK ASSIST MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Check the PAM Diagnostic Trouble Codes (DTCs). Is DTC U0140:00 still present? Yes GO to P6 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent condition.

P6 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK CONCERNS

CHECK the vehicle service history for recent service actions involving the BCM or PAM. If recent service history is found: make sure the correct replacement module was installed HVBOM can be used to verify the correct part installation. make sure the replacement module configuration was correct reconfigure the module using the original data if the previous configuration is suspected make sure the module was not obtained from a similar vehicle and installed on the customer's vehicle Reinstall the replaced module in the original vehicle and obtain a new replacement module. Operate the system and determine whether the observed symptom persists. Is the observed symptom still present? Yes GO to Q7 No The system is currently operating correctly. The concern may have been caused by incorrect part replacement procedures or incorrect module configuration.

P7 CHECK BCM (BODY CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect the BCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM and all related inline connectors. Make sure they are installed and fully seated. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

U0146:00

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

The PAM communicates with the GWM through HS-CAN1.

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0146:00	Lost communication with gateway "A": no sub-type information	Sets in PAM continuous memory if messages received from the GWM are absent for 5 seconds or more.

Possible Sources

• Communication Problem
• GWM concern
• PAM (integral part of the BCM) concern

PINPOINT TEST Q: U0146:00

Q1 VERIFY CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to Q2 No CLEAR the DTC. The system is currently operating normally. The DTC may have been set due to high network traffic or an intermittent condition.

Q2 CHECK COMMUNICATION NETWORK

Using a scan tool, perform the network test. Does the GWM pass the network test? Yes GO to Q3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

Q3 RETRIEVE STORED DIAGNOSTIC TROUBLE CODES (DTCS) FROM PAM (PARK ASSIST MODULE) SELF-TEST

Using the diagnostic scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the PAM. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER to the PAM DTC Chart in this section. No GO to Q4

Q4 RETRIEVE STORED DIAGNOSTIC TROUBLE CODES (DTCS) FROM GWM (GATEWAY MODULE A) SELF-TEST

Using the scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the GWM. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing). No GO to Q5

Q5 RECHECK PAM (PARK ASSIST MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Check the PAM Diagnostic Trouble Codes (DTCs). Is DTC U0146:00 still present? Yes GO to Q6 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent condition.

Q6 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK PROBLEMS

CHECK the vehicle service history for any recent service actions involving the GWM or PAM module. If recent service history is found: make sure the correct replacement module was installed HVBOM can be used to verify the correct part installation. make sure the replacement module configuration was correct reconfigure the module using the original data if the previous configuration is suspected make sure the module was not obtained from a similar vehicle and installed on the customer's vehicle Reinstall the replaced module in the original vehicle and obtain a new replacement module. Operate the system and determine whether the observed symptom persists. Is the observed symptom still present? Yes GO to Q7 No The system is currently operating correctly. The concern may have been caused by incorrect part replacement procedures or incorrect module configuration.

Q7 CHECK GWM (GATEWAY MODULE A) OPERATION

Ignition OFF. Disconnect and inspect all GWM modules and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the GWM and all related harness connectors. Make sure they are fully seated and locked. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this condition, STOP this test and FOLLOW the TSB instructions. If no TSBs apply to this condition, INSTALL a new GWM. REFER TO: Gateway Module A (GWM) (418-00 Module Communications Network, Removal and Installation). No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

U0155:00

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

The PAM communicates with the IPC through the GWM.
Refer to: Park Assist System Operation and Component Description (413-13A Park Assist System, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0155:00	Lost Communication with Instrument Panel Cluster (IPC) Control Module: No Sub Type Information	Sets in PAM continuous memory if messages received from the IPC through the GWM are absent for 5 seconds or more.

Possible Sources

• Communication Problem
• GWM concern
• IPC Concern
• PAM (integral part of the BCM) concern

PINPOINT TEST R: U0155:00

R1 VERIFY CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to R2 No CLEAR the DTC. The system is currently operating normally. The DTC may have been set due to high network traffic or an intermittent condition.

R2 CHECK COMMUNICATION NETWORK

Using a scan tool, perform the network test. Does the IPC pass the network test? Yes GO to R3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

R3 RETRIEVE STORED DIAGNOSTIC TROUBLE CODES (DTCS) FROM PAM (PARK ASSIST MODULE) SELF-TEST

Using the diagnostic scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the PAM. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER to the PAM DTC Chart in this section. No GO to R4

R4 CHECK GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using the diagnostic scanner, check the GWM continuous memory diagnostic trouble codes (CMDTCs). Are any Diagnostic Trouble Codes (DTCs) recorded? Yes REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing). No GO to R5

R5 RETRIEVE STORED DIAGNOSTIC TROUBLE CODES (DTCS) FROM IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

Using the scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the IPC. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER TO: Instrument Cluster, Message Center and Warning Chimes (413-01 Instrument Cluster, Message Center and Warning Chimes, Diagnosis and Testing). No GO to R6

R6 RECHECK PAM (PARK ASSIST MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Check the PAM Diagnostic Trouble Codes (DTCs). Is DTC U0155:00 still present? Yes GO to R7 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent condition.

R7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK PROBLEMS

CHECK the vehicle service history for recent service actions involving the IPC, GWM or PAM. If recent service history is found: make sure the correct replacement module was installed HVBOM can be used to verify the correct part installation. make sure the replacement module configuration was correct reconfigure the module using the original data if the previous configuration is suspected make sure the module was not obtained from a similar vehicle and installed on the customer's vehicle Reinstall the replaced module in the original vehicle and obtain a new replacement module. Operate the system and determine whether the observed symptom persists. Is the observed symptom still present? Yes GO to R8 No The system is currently operating correctly. The concern may have been caused by incorrect part replacement procedures or incorrect module configuration.

R8 CHECK IPC (INSTRUMENT PANEL CLUSTER) OPERATION

Ignition OFF. Disconnect and inspect all IPC modules and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the IPC and all related inline connectors. Make sure they are fully seated and locked. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (IPC). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

U0212:00

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

The PAM communicates with the SCCM through the GWM.
Refer to: Park Assist System Operation and Component Description (413-13A Park Assist System, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0212:00	Lost Communication with Steering Column Control Module: No Sub Type Information	Sets in PAM continuous memory if messages received from the SCCM through the GWM are absent for 5 seconds or more.

Possible Sources

• Communication Problem
• GWM concern
• SCCM concern
• PAM (integral part of the BCM) concern

PINPOINT TEST S: U0212:00

S1 CHECK CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to S2 No CLEAR the DTC. The system is currently operating normally. The DTC may have been set due to high network traffic or an intermittent condition.

S2 CHECK COMMUNICATION NETWORK

Using a scan tool, perform the network test. Does the SCCM pass the network test? Yes GO to S3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

S3 RETRIEVE STORED DIAGNOSTIC TROUBLE CODES (DTCS) FROM PAM (PARK ASSIST MODULE) SELF-TEST

Using the diagnostic scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the PAM. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER to the PAM DTC Chart in this section. No GO to S4

S4 CHECK GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using the diagnostic scanner, check the GWM continuous memory diagnostic trouble codes (CMDTCs). Are any Diagnostic Trouble Codes (DTCs) recorded? Yes REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing). No GO to S4

S5 RETRIEVE STORED DIAGNOSTIC TROUBLE CODES (DTCS) FROM SCCM (STEERING COLUMN CONTROL MODULE) SELF-TEST

Using the scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the SCCM. Are there any non-network diagnostic trouble codes (DTCs)? Yes Refer to: Steering Wheel and Column Electrical Components (211-05 Steering Wheel and Column Electrical Components, Diagnosis and Testing). No GO to S6

S6 RECHECK PAM (PARKING AID MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Check the PAM Diagnostic Trouble Codes (DTCs). Is DTC U0212:00 still present? Yes GO to S7 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent condition.

S7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK CONCERNS

CHECK the vehicle service history for recent service actions involving the SCCM, GWM or PAM. If recent service history is found: make sure the correct replacement module was installed HVBOM can be used to verify the correct part installation. make sure the replacement module configuration was correct reconfigure the module using the original data if the previous configuration is suspected make sure the module was not obtained from a similar vehicle and installed on the customer's vehicle Reinstall the replaced module in the original vehicle and obtain a new replacement module. Operate the system and determine whether the observed symptom persists. Is the observed symptom still present? Yes GO to S8 No The system is currently operating correctly. The concern may have been caused by incorrect part replacement procedures or incorrect module configuration.

S8 CHECK SCCM (STEERING COLUMN CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect the SCCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the SCCM and all related inline connectors. Make sure they are fully seated and locked. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If no TSB applies to this concern, INSTALL a new SCCM. Refer to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). . No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

U0253:00

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

The PAM communicates with the APIM through the GWM.
Refer to: Park Assist System Operation and Component Description (413-13A Park Assist System, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0253:00	Lost Communication with Auxiliary Protocol Interface Module: No Sub Type Information	Sets in PAM continuous memory if messages received from the APIM are absent for 5 seconds or more.

Possible Sources

• Communication Problem
• GWM concern
• APIM
• PAM (integral part of the BCM) concern

PINPOINT TEST T: U0253:00

T1 VERIFY THE CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to T2 No CLEAR the DTC. The system is currently operating normally. The DTC may have been set due to high network traffic or an intermittent condition.

T2 CHECK THE COMMUNICATION NETWORK

Using a scan tool, perform the network test. Does the APIM pass the network test? Yes GO to T3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

T3 RETRIEVE STORED DIAGNOSTIC TROUBLE CODES (DTCS) FROM PAM (PARK ASSIST MODULE) SELF-TEST

Using the diagnostic scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the PAM. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER to the PAM DTC Chart in this section. No GO to T4

T4 CHECK GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using the diagnostic scanner, check the GWM continuous memory diagnostic trouble codes (CMDTCs). Are any Diagnostic Trouble Codes (DTCs) recorded? Yes REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing). No GO to T5

T5 RETRIEVE STORED DIAGNOSTIC TROUBLE CODES (DTCS) FROM APIM (SYNC MODULE) SELF-TEST

Using the scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the APIM. Are there any non-network diagnostic trouble codes (DTCs)? Yes Click here to access the guided procedure (APIM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No GO to T6

T6 RECHECK THE PAM (PARK ASSIST MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Check the PAM Diagnostic Trouble Codes (DTCs). Is DTC U0253:00 still present? Yes GO to T7 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent condition.

T7 CHECK FOR OTHER CAUSES OF NETWORK COMMUNICATION CONCERNS

CHECK the vehicle service history for recent service actions involving the APIM, GWM or PAM. If recent service history is found: make sure the correct replacement module was installed HVBOM can be used to verify the correct part installation. make sure the replacement module configuration was correct reconfigure the module using the original data if the previous configuration is suspected make sure the module was not obtained from a similar vehicle and installed on the customer's vehicle Reinstall the replaced module in the original vehicle and obtain a new replacement module. Operate the system and determine whether the observed symptom persists. Is the observed symptom still present? Yes GO to T8 No The system is currently operating correctly. The concern may have been caused by incorrect part replacement procedures or incorrect module configuration.

T8 CHECK APIM (SYNC MODULE) OPERATION

Ignition OFF. Disconnect and inspect all APIM modules and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the APIM and all related inline connectors. Make sure they are installed and locked correctly. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (APIM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

U0256:00

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

The PAM communicates with the FCIM through the GWM.

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0256:00	Lost communication with the Front Controls Interface Module "A": no sub-type information	Sets in PAM continuous memory if messages received from the FCIM are absent for 5 seconds or more.

Possible Sources

• Communication Problem
• FCIM concern
• GWM concern
• PAM (integral part of the BCM) concern

PINPOINT TEST U: U0256:00

U1 CHECK CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to U2 No CLEAR the DTC. The system is currently operating normally. The DTC may have been set due to high network traffic or an intermittent condition.

U2 CHECK COMMUNICATION NETWORK

Using a scan tool, perform the network test. Does the FCIM pass the network test? Yes GO to U3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

U3 RETRIEVE STORED DIAGNOSTIC TROUBLE CODES (DTCS) FROM PAM (PARK ASSIST MODULE) SELF-TEST

Using the diagnostic scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the PAM. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER to the PAM DTC Chart in this section. No GO to U4

U4 CHECK GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using the diagnostic scanner, check the GWM continuous memory diagnostic trouble codes (CMDTCs). Are any Diagnostic Trouble Codes (DTCs) recorded? Yes REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing). No GO to U5

U5 RETRIEVE STORED DIAGNOSTIC TROUBLE CODES (DTCS) FROM FCIM (FRONT CONTROLS INTERFACE MODULE) SELF-TEST

Using a diagnostic scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the FCIM. Are there any non-network diagnostic trouble codes (DTCs)? Yes Click here to access the guided procedure (APIM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No GO to U6

U6 RECHECK THE PAM (PARK ASSIST MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Check the PAM Diagnostic Trouble Codes (DTCs). Is DTC U0256:00 still present? Yes GO to U7 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent condition.

U7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK CONCERNS

CHECK the vehicle service history for any recent service actions related to the FCIM or PAM. If recent service history is found: make sure the correct replacement module was installed HVBOM can be used to verify the correct part installation. make sure the replacement module configuration was correct reconfigure the module using the original data if the previous configuration is suspected make sure the module was not obtained from a similar vehicle and installed on the customer's vehicle Reinstall the replaced module in the original vehicle and obtain a new replacement module. Operate the system and determine whether the observed symptom persists. Is the observed symptom still present? Yes GO to U8 No The system is currently operating correctly. The concern may have been caused by incorrect part replacement procedures or incorrect module configuration.

U8 CHECK THE FCIM (FRONT CONTROLS INTERFACE MODULE) OPERATION

Ignition OFF. Disconnect and inspect the FCIM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the FCIM and all related inline connectors. Make sure they are installed and latched correctly. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the TSBs do not resolve the concern, Click here to access the guided routine (FCIM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

U0257:00

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

The PAM communicates with the FCDIM through the GWM.

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0257:00	Communication Lost with Front Controls/Display Interface Module: No Subtype Information	Sets a continuous memory DTC in the PAM if messages from the FCDIM are not received for 5 seconds or more.

Possible Sources

• Communication Problem
• GWM concern
• FCDIM concern
• PAM (integral part of the BCM) concern

PINPOINT TEST V: U0257:00

V1 VERIFY THE CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to Step 2 No CLEAR the DTC. The system is currently operating normally. The DTC may have been set due to high network traffic or an intermittent condition.

V2 CHECK THE COMMUNICATION NETWORK

Using a scan tool, perform the network test. Does the FCDIM pass the network test? Yes GO to V3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

V3 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE PAM (PARK ASSIST MODULE) SELF-TEST

Using the diagnostic scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the PAM. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER to the PAM DTC Chart in this section. No GO to V4

V4 CHECK GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

Using the diagnostic scanner, check the GWM continuous memory diagnostic trouble codes (CMDTCs). Are any Diagnostic Trouble Codes (DTCs) recorded? Yes REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing). No GO to V5

V5 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE FCDIM (FRONT CONTROLS/DISPLAY INTERFACE MODULE) SELF-TEST

Using a diagnostic scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the FCDIM. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER TO: Audio/Video Entertainment System (415-00 Audio/Video Entertainment System - General Information). No GO to V6

V6 RECHECK THE PAM (PARK ASSIST MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Check the PAM Diagnostic Trouble Codes (DTCs). Is DTC U0253:00 still present? Yes GO to V7 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent condition.

V7 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK PROBLEMS

CHECK the vehicle service history for any recent service actions related to the FCDIM, GWM or PAM. If recent service history is found: make sure the correct replacement module was installed HVBOM can be used to verify the correct part installation. make sure the replacement module configuration was correct reconfigure the module using the original data if the previous configuration is suspected make sure the module was not obtained from a similar vehicle and installed on the customer's vehicle Reinstall the replaced module in the original vehicle and obtain a new replacement module. Operate the system and determine whether the observed symptom persists. Is the observed symptom still present? Yes GO to V8 No The system is currently operating correctly. The concern may have been caused by incorrect part replacement procedures or incorrect module configuration.

V8 CHECK THE APIM (SYNC MODULE) OPERATION

Ignition OFF. Disconnect and inspect all APIM modules and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the APIM and all related inline connectors. Make sure they are installed and locked correctly. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable technical service bulletins (TSBs). If a TSB exists for this condition, STOP this test and FOLLOW the TSB instructions. If no TSB applies to this condition, INSTALL a new FCDIM. REFER TO: Front Controls/Display Interface Module (FCDIM) (415-00 Information and Entertainment System - General Information). No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

U0293:00

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

The PAM communicates with the TCM through HS-CAN1.

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0293:00	Lost Communication with Hybrid/Electric Transmission Control Module: No Sub Type Information	Sets in continuous memory in the PAM if messages from the TCM are not received for 5 seconds or more.

Possible Sources

• Communication Problem
• TCM concern (integral to the SOBDMC)
• PAM (integral part of the BCM) concern

PINPOINT TEST W: U0293:00

W1 VERIFY THE CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to W2 No CLEAR the DTC. The system is currently operating normally. The DTC may have been set due to high network traffic or an intermittent condition.

W2 CHECK THE COMMUNICATION NETWORK

Using a scan tool, perform the network test. Does the TCM pass the network test? Yes GO to W3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

W3 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE PAM (PARK ASSIST MODULE) SELF-TEST

Using the diagnostic scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the PAM. Are there any non-network diagnostic trouble codes (DTCs)? Yes REFER to the PAM DTC Chart in this section. No GO to W4

W4 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE TCM (TRANSMISSION CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, retrieve the continuous memory diagnostic trouble codes (CMDTCs) from the TCM. Are there any non-network diagnostic trouble codes (DTCs)? Yes Refer to the appropriate procedure in Group 307. No GO to W5

W5 RECHECK THE PAM (PARK ASSIST MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Check the PAM Diagnostic Trouble Codes (DTCs). Is DTC U0293:00 still present? Yes GO to W6 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent condition.

W6 CHECK FOR OTHER CAUSES OF COMMUNICATION NETWORK PROBLEMS

CHECK the vehicle service history for any recent service actions related to the SOBDMC or PAM. If recent service history is found: make sure the correct replacement module was installed HVBOM can be used to verify the correct part installation. make sure the replacement module configuration was correct reconfigure the module using the original data if the previous configuration is suspected make sure the module was not obtained from a similar vehicle and installed on the customer's vehicle Reinstall the replaced module in the original vehicle and obtain a new replacement module. Operate the system and determine whether the observed symptom persists. Is the observed symptom still present? Yes GO to W7 No The system is currently operating correctly. The concern may have been caused by incorrect part replacement procedures or incorrect module configuration.

W7 CHECK THE TCM (TRANSMISSION CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect the TCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the TCM and all related inline connectors. Make sure they are fully seated and locked. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable technical service bulletins (TSBs). If a TSB exists for this condition, STOP this test and FOLLOW the TSB instructions. If no TSB applies to this condition, INSTALL a new TCM. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

Rear video inoperative

For wiring diagrams and connector information, refer to Cell 131 of the Wiring Diagrams.

Normal Operation and Fault Symptoms

REFER TO: Park Assist System - System Operation and Component Description (413-13A Park Assist System, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
B115E:01	Camera Module: General Electrical Failure	On-demand continuous DTC that sets in the BCM when an internal electrical fault in the camera is detected.
B115E:02	Camera Module: General Signal Failure	On-demand continuous DTC that sets in the BCM when invalid LIN data is received from the rear view camera.
B115E:08	Camera Module: Bus Signal/Message Failure	On-demand continuous DTC that sets in the BCM when LIN communication with the rear view camera is lost.

APIM Fault DTC Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
C1001:01	Vision System Camera: General Electrical Failure	Continuous DTC that sets in the APIM when no video signal is detected from the rear view camera while the vehicle is in REVERSE.

FCDIM DTC Setting Conditions

Trouble Code	Description	Fault Trigger Conditions
C1001:01	Vision System Camera: General Electrical Failure	On-demand continuous DTC that sets in the FCDIM when no video signal is detected from the rear view camera while the vehicle is in REVERSE.

Possible Sources

• Wiring, Terminals or Connectors
• Video Camera
• TR input
• Video Display Concern
• BCM

Visual Inspection and Preliminary Diagnosis

• Make sure the liftgate is fully closed.
• If the rear view camera is not configured after replacement, some video functions will not operate. Check the rear view camera configuration using a diagnostic scan tool.

PINPOINT TEST X: REAR VIDEO DOES NOT OPERATE

X1 CHECK AND CLEAN THE REAR VIEW CAMERA LENS

Clean the rear view camera lens and make sure there is no debris on it. The ignition is on. Test the camera system and check the image from the rear view camera. Is the video camera concern still present? Yes GO to X2 No The system is currently operating correctly. The concern was caused by a dirty video camera lens.

X2 CHECK THE TRANSMISSION OPERATION

While monitoring the IPC PRNDL indicator, move the gear selector through the full range. Does the IPC PRNDL indicator match the gear selector positions? Yes GO to X3 No REFER TO: Instrument Cluster, Message Center and Warning Chimes (413-01 Instrument Cluster, Message Center and Warning Chimes, Diagnosis and Testing).

X3 CHECK THE BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS) SELF-TEST

Using a scan tool, perform the BCM self-test. Are any Diagnostic Trouble Codes (DTCs) retrieved? Yes For BCM DTCs B115E:01, B115E:02 or B115E:08, GO to X8. For all other BCM DTCs, REFER to the DTC chart in this section. No If the vehicle is equipped with an 203 mm (8-inch) touchscreen, GO to X4. If the vehicle is not equipped with an 203 mm (8-inch) touchscreen, GO to X5.

X4 CHECK THE APIM (SYNC MODULE) DIAGNOSTIC TROUBLE CODES (DTCS) SELF-TEST

Using the diagnostic scan tool, perform the APIM self-test. Are any Diagnostic Trouble Codes (DTCs) retrieved? Yes For DTC C1001:01, GO to X7. For all other DTCs on vehicles with Sony® audio, REFER TO: Information and Entertainment System (415-00 Information and Entertainment System - General Information). For all other DTCs on vehicles without Sony® audio, REFER TO: Information and Entertainment System (415-00 Information and Entertainment System - General Information). No GO to X6

X5 CHECK THE FCDIM (FRONT CONTROLS/DISPLAY INTERFACE MODULE) DIAGNOSTIC TROUBLE CODES (DTCS) SELF-TEST

Using a scan tool, perform the FCDIM self-test. Are any Diagnostic Trouble Codes (DTCs) retrieved? Yes For DTC C1001:01 GO to X7. For all other Diagnostic Trouble Codes (DTCs) REFER TO: Information and Entertainment System (415-00 Information and Entertainment System - General Information). No GO to X6

X6 CHECK AND ENABLE THE INOPERATIVE VIDEO CAMERA FEATURE

Check and enable the inoperative video camera feature in the FDIM or FCDIM. Refer to the Owner's Manual. Does the video camera feature operate correctly? Yes The rear view camera system is operating correctly at this time. The concern with the video camera feature was caused by the feature being disabled. ADVISE the customer on how to enable and disable the rear view camera features. REFER TO the Owner's Manual. No GO to X7

X7 CHECK THE VIDEO DISPLAY

Observe the FDIM or FCDIM display when the vehicle is put into reverse. Wait 30 seconds. Does the display switch to the camera view and display Rear View Camera Unavailable? Contact your dealer? Yes GO to X8 No For the procedure, refer to the appropriate section in Group 415.

X8 CHECK THE VIDEO CAMERA POWER SUPPLY VOLTAGE

Ignition OFF. Disconnect: Rear View Camera. The ignition is on. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-1 Ground Is the voltage greater than 11 volts? Yes GO to X9 No CHECK the BDJB fuse 23 (15A). If the fuse is good, repair the circuit for an open. If the fuse is not good, REFER TO the Wiring Diagrams to determine the possible causes of the short circuit.

X9 CHECK THE VIDEO CAMERA GROUND

Ignition OFF. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-6 Ground Is the resistance less than 3 ohms? Yes GO to X10 No REPAIR the circuit.

X10 CHECK THE VIDEO CAMERA VIDEO SIGNAL CIRCUITS FOR A SHORT TO VOLTAGE

Disconnect the APIM (if equipped with 203 mm (8 inch) touchscreen) OR the FCDIM (if not equipped with 203 mm (8 inch) touchscreen). The ignition is on. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-2 Ground C4360-3 Ground Is there voltage present? Yes REPAIR the faulty circuit. No GO to X11.

X11 CHECK THE VIDEO CAMERA CIRCUITS FOR A SHORT TO GROUND

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-2 Ground C4360-3 Ground Is the resistance greater than 10000 ohms? Yes GO to X12. No REPAIR the faulty circuit.

X12 CHECK THE VIDEO CAMERA VIDEO SIGNAL CIRCUITS FOR A SHORT TO VIDEO DISPLAY

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-2 C4360-5 C4360-3 C4360-5 Is the resistance greater than 10000 ohms? Yes If the vehicle is equipped with a 203 mm (8 inch) touchscreen, GO to X13. If the vehicle is NOT equipped with a 203 mm (8 inch) touchscreen, GO to X14. No REPAIR the faulty circuit.

X13 CHECK THE VIDEO SIGNAL CIRCUITS FOR AN OPEN IN VEHICLES WITH 203 MM (8 INCH) TOUCHSCREEN

Ignition OFF. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-2 C2383-15 C4360-3 C2383-14 Is the resistance less than 3 ohms? Yes GO to X15. No REPAIR the faulty circuit.

X14 CHECK THE VIDEO SIGNAL CIRCUITS FOR AN OPEN IN VEHICLES WITHOUT 203 MM (8 INCH) TOUCHSCREEN

Ignition OFF. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-2 C2123-12 C4360-3 C2123-6 Is the resistance less than 3 ohms? Yes GO to X15. No REPAIR the faulty circuit.

X15 CHECK THE LOCAL INTERCONNECT NETWORK (LIN) CIRCUIT FOR A SHORT TO VOLTAGE

Disconnect C2280D. Disconnect: AC/DC Converter C3501 (if equipped with 110V AC outlet). The ignition is on. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-4 Ground Is there voltage present? Yes REPAIR the circuit. No GO to X16.

X16 CHECK THE LOCAL INTERCONNECT NETWORK (LIN) CIRCUIT FOR AN OPEN

Ignition OFF. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-4 C2280D-37 Is the resistance less than 3 ohms? Yes GO to X17. No REPAIR the circuit.

X17 CHECK THE LOCAL INTERCONNECT NETWORK (LIN) CIRCUIT FOR A SHORT TO GROUND

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-4 Ground Is the resistance greater than 10000 Ohms? Yes GO to X18. No REPAIR the circuit.

X18 CHECK THE VIDEO CAMERA OPERATION

Ignition OFF. Disconnect and inspect the rear view camera and all related in-line connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins backed-out pins - install new pins as necessary Reconnect the rear view camera and all related in-line connectors. Make sure that it is installed correctly and clicks into place. Operate the system and determine if the concern is still present. Is the concern still present? Yes CHECK the OASIS for any applicable Technical Service Bulletins (TSBs). If a Technical Service Bulletin (TSB) exists for this concern, STOP this test and FOLLOW the TSB instructions. If no TSBs address this concern, INSTALL a new video camera. REFER TO: Parking Aid Camera - 4 Door (413-13A Parking Aid, Removal and Installation). No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin concerns.

Poor image quality

For wiring diagrams and connector information, refer to Cell 131 of the Wiring Diagrams.

Normal Operation and Fault Symptoms

REFER TO: Park Assist System - System Operation and Component Description (413-13A Park Assist System, Description and Operation).

Possible Sources

• Wiring, Terminals or Connectors
• Video Camera

Visual Inspection and Preliminary Diagnosis

Make sure there is no debris on the rear video camera lens.

PINPOINT TEST Y: POOR IMAGE QUALITY

Y1 CHECK AND CLEAN THE REAR VIEW CAMERA LENS

Clean the rear view camera lens and make sure there is no debris on it. Check the rear view camera system and check the camera image. Is the concern still present? Yes GO to Y2 No The system is currently operating correctly. The concern was caused by dirt or debris on the camera lens.

Y2 CHECK THE VIDEO CAMERA GROUND CIRCUIT

Ignition OFF. Disconnect the rear view camera. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-6 Ground Is the resistance less than 3 ohms? Yes GO to Y3 No REPAIR the circuit.

Y3 CHECK THE VIDEO CAMERA CIRCUITS FOR A SHORT TO GROUND

Disconnect the APIM (if equipped with 203 mm (8 inch) touchscreen) OR the FCDIM (if not equipped with 203 mm (8 inch) touchscreen). Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-2 Ground C4360-3 Ground Is the resistance greater than 10000 ohms? Yes GO to Y4 No REPAIR the faulty circuit.

Y4 CHECK THE VIDEO CAMERA VIDEO SIGNAL CIRCUITS FOR A SHORT TO VOLTAGE

The ignition is on. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-2 Ground C4360-3 Ground Is there voltage present? Yes REPAIR the faulty circuit. No GO to Y5

Y5 CHECK THE VIDEO CAMERA VIDEO SIGNAL CIRCUITS FOR A SHORT TO VIDEO DISPLAY

Ignition OFF. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-2 C4360-5 C4360-3 C4360-5 Is the resistance greater than 10000 ohms? Yes If the vehicle is equipped with a 203 mm (8 inch) touchscreen, GO to Y6. If the vehicle is NOT equipped with a 203 mm (8 inch) touchscreen, GO to Y7. No REPAIR the faulty circuit.

Y6 CHECK THE VIDEO SIGNAL CIRCUITS FOR AN OPEN IN VEHICLES WITH 203 MM (8 INCH) TOUCHSCREEN

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-2 C2383-15 C4360-3 C2383-14 Is the resistance less than 3 ohms? Yes GO to Y8 No REPAIR the faulty circuit.

Y7 CHECK THE VIDEO SIGNAL CIRCUITS FOR AN OPEN IN VEHICLES WITHOUT 203 MM (8 INCH) TOUCHSCREEN

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4360-2 C2123-12 C4360-3 C2123-6 Is the resistance less than 3 ohms? Yes GO to Y8 No REPAIR the faulty circuit.

Y8 CHECK THE VIDEO CAMERA OPERATION

Ignition OFF. Disconnect and inspect the rear view camera and all related in-line connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins backed-out pins - install new pins as necessary Reconnect the rear view camera and all related in-line connectors. Make sure that it is installed correctly and clicks into place. Operate the system and determine if the concern is still present. Is the concern still present? Yes CHECK the OASIS for any applicable Technical Service Bulletins (TSBs). If a Technical Service Bulletin (TSB) exists for this concern, STOP this test and FOLLOW the TSB instructions. If no TSBs address this concern, INSTALL a new video camera. REFER TO: Parking Aid Camera - 4 Door (413-13A Parking Aid, Removal and Installation). No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin concerns.

Visual Park Aid Alert Inoperative

Normal Operation and Fault Symptoms

REFER TO: Park Assist System - System Operation and Component Description (413-13A Park Assist System, Description and Operation).

Possible Sources

• Video Camera
• PAM (integral part of the BCM) concern

Visual Inspection and Preliminary Diagnosis

• If the rear view camera is not configured after replacement, some video functions will not operate. Check the rear view camera configuration using a diagnostic scan tool.

PINPOINT TEST Z: VISUAL PARKING AID ALERT DOES NOT OPERATE

Z1 MAKE SURE THE VISUAL PARKING AID ALERT IS ENABLED

The ignition is on. In the rear view camera settings, check whether the visual parking aid alert is enabled. Refer to the Owner's Manual. Is the visual parking aid alert enabled? Yes GO to Z2 No ENABLE the visual parking aid alert.

Z2 CHECK THE PARKING AID MODULE (PAM) DIAGNOSTIC TROUBLE CODES (DTCS) WITH THE SELF-TEST

Using the scan tool, perform the PAM self-test. Are any PAM diagnostic trouble codes (DTCs) recorded? Yes First, REPAIR all PAM Diagnostic Trouble Codes (DTCs). REFER TO the PAM DTC Chart in this section. No GO to Z3

Z3 CHECK THE BODY CONTROL MODULE (BCM) DIAGNOSTIC TROUBLE CODES (DTCS) WITH THE SELF-TEST

Using a scan tool, perform the BCM self-test. Are BCM Diagnostic Trouble Codes (DTCs) recorded? Yes REFER to the BCM DTC Chart in this section. No GO to Z4

Z4 CHECK THE VIDEO CAMERA OPERATION

Ignition OFF. Disconnect and inspect the rear view camera and all related in-line connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins backed-out pins - install new pins as necessary Reconnect the rear view camera and all related in-line connectors. Make sure that it is installed correctly and clicks into place. Operate the system and determine if the concern is still present. Is the concern still present? Yes CHECK the OASIS for any applicable Technical Service Bulletins (TSBs). If a Technical Service Bulletin (TSB) exists for this concern, STOP this test and FOLLOW the TSB instructions. If no TSBs address this concern, INSTALL a new video camera. REFER TO: Parking Aid Camera - 4 Door (413-13A Parking Aid, Removal and Installation). No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin concerns.

Video Delay or Guidelines Inoperative

Normal Operation and Fault Symptoms

REFER TO: Park Assist System - System Operation and Component Description (413-13A Park Assist System, Description and Operation).

Possible Sources

• Steering Wheel Position Data Concern
• Video Camera
• BCM
• APIM (vehicles with 203 mm (8 inch) touchscreen)
• FCDIM (vehicles without 203 mm (8 inch) touchscreen)

Visual Inspection and Preliminary Diagnosis

• If the rear view camera is not configured after replacement, some video functions will not operate. Check the rear view camera configuration using a diagnostic scan tool.
• For active guidance concerns, make sure the concern was not caused by the steering wheel being in the straight-ahead position. Active guidelines do not display if the steering wheel is not turning.
• For video camera delay concerns, make sure the video camera delay feature is enabled. Refer to the Owner's Manual.

If the guidelines remain unsuccessful, it may be necessary to disconnect the battery for 5 minutes with the driver's door open, then drive the vehicle 5 miles in normal city driving before performing the procedure described above.
DIAGNOSTIC TEST AA: VIDEO DELAY OR GUIDELINES DO NOT WORK

AA1 CHECK AND ENABLE THE INOPERATIVE VIDEO CAMERA FEATURE

Check and enable the non-functioning video camera feature in the rear camera settings. Check the system for normal operation. Does the video camera feature operate correctly? Yes The video camera system operates correctly at this time. The video camera feature concern was caused by the feature being disabled. CUSTOMER INSTRUCTIONS on how to enable the video camera feature. REFER to the Owner's Manual. No GO to AA2

AA2 NETWORK TEST

Using a scan tool, perform the network test. Do all modules pass the network test? Yes GO to AA3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

AA3 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) FROM PSCM (POWER STEERING CONTROL MODULE) SELF-TEST

Using the scan tool, perform the PSCM self-test. Are any PSCM diagnostic trouble codes (DTC) retrieved? Yes REFER TO: Power Steering (211-02 Power Steering, Diagnosis and Testing). No GO to AA4

AA4 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) FROM BCM (BODY CONTROL MODULE) SELF-TEST

Using the diagnostic scan tool, perform the BCM self-test. Are any BCM diagnostic trouble codes (DTC) retrieved? Yes REFER to the BCM DTC Chart in this section. No For vehicles equipped with an 203 mm (8 inch) touchscreen, GO to AA5. For vehicles without an 203 mm (8 inch) touchscreen, GO to AA6.

AA5 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) FROM APIM (SYNC MODULE) SELF-TEST

Using the diagnostic scan tool, perform the APIM self-test. Are any Diagnostic Trouble Codes (DTCs) retrieved? Yes REFER to APIM DTC Chart in this section. No If the video camera delay is not functioning, GO to AA8. For a constant or active concern related to the recommendations, GO to AA7.

AA6 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) FROM FCDIM (FRONT CONTROL DISPLAY INTERFACE MODULE) SELF-TEST

Using a scan tool, perform the FCDIM self-test. Are any Diagnostic Trouble Codes (DTCs) retrieved? Yes REFER to the FCDIM DTC Charts in this section. No If the video camera delay is a concern, GO to AA9. For a constant or active concern related to the recommendations, GO to AA7.

AA7 VIDEO CAMERA ISOLATION

Ignition OFF. Install a new rear video camera. REFER to: Parking Aid Camera - 4 Door (413-13A Parking Aid, Removal and Installation). Check the system for normal operation. Is the concern still present? Yes GO to AA10. No The video camera concern was caused by an inoperative video camera.

AA8 CHECK APIM (ACCESSORY PROTOCOL INTERFACE MODULE) OPERATION

Ignition OFF. Disconnect and inspect the APIM and all related in-line connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins backed-out pins - install new pins as necessary Reconnect the APIM and all related in-line connectors. Make sure it is properly installed and latched. Operate the system and determine if the concern is still present. Is the concern still present? Yes CHECK THE OASIS for any applicable Technical Service Bulletins (TSBs). If a Technical Service Bulletin (TSB) exists for this concern, STOP this test and FOLLOW the Technical Service Bulletin (TSB) instructions. If no Technical Service Bulletins (TSBs) address this concern. Click here to access the guided procedure (APIM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin concerns.

AA9 CHECK FCDIM (FRONT CONTROL DISPLAY INTERFACE MODULE) OPERATION

Ignition OFF. Disconnect and inspect the FCDIM and all related in-line connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins backed-out pins - install new pins as necessary Reconnect the FCDIM and all related in-line connectors. Make sure it is properly installed and latched. Operate the system and determine if the concern is still present. Is the concern still present? Yes CHECK THE OASIS for any applicable Technical Service Bulletins (TSBs). If a Technical Service Bulletin (TSB) exists for this concern, STOP this test and FOLLOW the Technical Service Bulletin (TSB) instructions. If no Technical Service Bulletins (TSBs) address this concern: INSTALL a new FCDIM. REFER to: Front Control Display Interface Module (FCDIM) (415-00 Information and Entertainment System - General Information). No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin concerns.

AA10 CHECK BCM (BODY CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect the BCM and all related inline connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent terminals/pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM and all related inline connectors. Make sure they are installed and fully seated. Start the system and verify the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If the Technical Service Bulletins (TSBs) do not resolve the concern. Click here to access the guided procedure (BCM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No The system is currently operating correctly. The concern may have been caused by module connections. ADDRESS the root cause of any connector or terminal issues.

Manual zoom feature inoperative

For wiring diagram and connector information, REFER TO Wiring Diagrams Cell 14.

Normal Operation and Fault Symptoms

REFER TO: Park Assist System - System Operation and Component Description (413-13A Park Assist System, Description and Operation).

Possible Sources

• Communication Problem
• Video Camera
• BCM concern
• Concern APIM (vehicles with 203 mm (8 inch) touchscreen)
• Concern FCDIM (vehicles without 203 mm (8 inch) touchscreen)

Visual Inspection and Preliminary Diagnosis

• If the rear view camera is not configured after replacement, some video functions will not operate. Check the rear view camera configuration using a diagnostic scan tool.

DIAGNOSTIC TEST AB: MANUAL ZOOM FUNCTION DOES NOT WORK

AB1 NETWORK TEST

The ignition is on. Using a scan tool, perform the network test. Do the BCM, APIM and FCDIM (if equipped) pass the network test? Yes GO to AB2 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

AB2 CHECK FOR STORED DIAGNOSTIC TROUBLE CODES (DTCS) IN BCM (BODY CONTROL MODULE) SELF-TEST

Using a scan tool, perform the BCM self-test. Are any diagnostic trouble codes present? Yes REFER to the BCM DTC Chart in this section. No If equipped with a 203 mm (8 inch) touchscreen, GO to AB3. If not equipped with a 203 mm (8 inch) touchscreen, GO to AB4.

AB3 CHECK FOR STORED DIAGNOSTIC TROUBLE CODES (DTCS) FROM APIM (SYNC MODULE) SELF-TEST

Using the diagnostic scan tool, perform the APIM self-test. Are any diagnostic trouble codes present? Yes Click here to access the guided procedure (APIM). Internet Explorer version 11 or later is required to perform this Pinpoint test. No GO to AB5

AB4 CHECK FOR STORED DIAGNOSTIC TROUBLE CODES (DTCS) IN FCDIM (FRONT CONTROL DISPLAY INTERFACE MODULE) SELF-TEST

Using a scan tool, perform the FCDIM self-test. Are any diagnostic trouble codes present? Yes REFER TO: Audio/Video Entertainment System (415-00 Audio/Video Entertainment System - General Information). No GO to AB5

AB5 CHECK VIDEO CAMERA OPERATION

Ignition OFF. Disconnect and inspect the rear view camera and all related in-line connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins backed-out pins - install new pins as necessary Reconnect the rear view camera and all related in-line connectors. Make sure that it is installed correctly and clicks into place. Operate the system and determine if the concern is still present. Is the concern still present? Yes CHECK the OASIS for any applicable Technical Service Bulletins (TSBs). If a Technical Service Bulletin (TSB) exists for this concern, STOP this test and FOLLOW the TSB instructions. If no TSBs address this concern, INSTALL a new video camera. REFER TO: Parking Aid Camera - 4 Door (413-13A Parking Aid, Removal and Installation). No The system is currently operating correctly. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin concerns.