Parking Aid. Diagnosis and Testing

Diagnostic Trouble Code Charts

DTC Chart

Trouble Code	Description	Action
B1088:83	LIN Bus "B": Incorrect Signal Protection Calculation Value	GO to Pinpoint Test F
B1088:88	LIN Bus "B": Bus Off	GO to Pinpoint Test F
B115E:08	Camera Module: Bus Signal/Message Failure	GO to Pinpoint Test A
B115E:49	Camera Module: Internal Electronic Failure	Stored in non-volatile memory when the BCM detects an internal fault in the video camera. CLEAR the BCM diagnostic trouble codes (DTCs) and check the system for normal operation. If DTC B115E:49 returns, INSTALL a new parking aid camera. REFER TO: Parking Aid Camera (413-13B Parking Aid System - Vehicles With: Parking Aid Camera, Removal and Installation).
B115E:55	Camera Module: Not Configured	Stored in non-volatile memory when the BCM detects that the video camera is not configured. CONFIGURE the camera using the diagnostic scan tool in the Electrical > Service Functions > Initialize New LIN Module section.
U0264:87	Loss of communication with the rear camera module: no message	GO to Pinpoint Test F
All Other Diagnostic Trouble Codes (DTCs)	—	REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing).

APIM Diagnostic Trouble Code Chart

Trouble Code	Description	Action
C1001:01	Vision System Camera: General Electrical Failure	GO to Pinpoint Test A
All Other Diagnostic Trouble Codes (DTCs)	—	REFER TO: Audio/Video Entertainment System (415-00B Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC/Touchscreen, Diagnosis and Testing).

Symptom Chart

Symptom Chart: Parking Aid System - Visual

Condition	Possible Sources	Action
Rear view camera system inoperative or malfunctioning	Refer to Pinpoint Test	GO to Pinpoint Test A
FDIM displays REAR VIDEO CAMERA UNAVAILABLE, PLEASE CONTACT YOUR DEALER and a black screen/no image	Refer to Pinpoint Test	GO to Pinpoint Test A
Static/flickering/blinking/shimmering/rolling or scrolling image/screen/scrolling horizontal lines	Refer to Pinpoint Test	GO to Pinpoint Test B
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 B
Manual zoom feature inoperative	Refer to Pinpoint Test	GO to Pinpoint Test E
Parking aid alert inoperative	Refer to Pinpoint Test	GO to Pinpoint Test C
Fixed guidelines inoperative or operating incorrectly	Refer to Pinpoint Test	GO to Pinpoint Test D
Active guidelines inoperative or malfunctioning (if equipped)	Steering wheel is in the straight-ahead position	Normal condition. Active guidelines are not displayed until the steering wheel is turned.
	Refer to Pinpoint Test	GO to Pinpoint Test D
Video camera delay feature inoperative	Video camera delay feature disabled	ENABLE the video camera delay feature in the APIM from the FDIM touchscreen.
	Refer to Pinpoint Test	GO to Pinpoint Test D
Video image inverted	Refer to Pinpoint Test	GO to Pinpoint Test G
All other image concerns	Refer to Pinpoint Test	GO to Pinpoint Test A

Pinpoint Tests

Rear view camera system inoperative or malfunctioning

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

Normal Operation and Fault Symptoms

REFER TO: Parking Aid System - System Operation and Component Description (413-13B Parking Aid System - Vehicles With: Parking Aid Camera, Description and Operation).

APIM Fault DTC Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
C1001:01	Vision System Camera: General Electrical Failure	Stored in continuous memory when no video signal is detected from the rear view camera for 3 seconds or more with the ignition on and the transmission selector in the reverse position. Stored on demand when no video signal is detected from the rear view camera for 1 second or more during APIM self-test.

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
B115E:08	Camera Module: Bus Signal/Message Failure	Continuous fault code stored in the BCM when the camera reports errors via LIN.

Possible Sources

• Fuse
• Wiring, Terminals or Connectors
• Video Camera
• APIM
• FDIM concern
• BCM

Visual Inspection and Preliminary Diagnosis

If there are concerns with a video camera function, verify that the video camera function in question is enabled.

DIAGNOSTIC TEST A: REAR VIEW CAMERA INOPERATIVE OR MALFUNCTIONING

A1 CHECK THE REVERSE LAMP OPERATION

The ignition is on. Observing the reverse lamps, move the gear selector lever through the full range. Do the reverse lamps operate only when the transmission selector is in the reverse position? Yes GO to A2 No CHECK the backup lamps. REFER to: Backup Lamps (417-01 Exterior Lighting, Diagnosis and Testing).

A2 PERFORM NETWORK CHECK

Using a scan tool, perform the network test. Do all modules pass the network test? Yes GO to A3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

A3 CHECK THE BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS) WITH SELF-TEST

Using a scan tool, perform the BCM self-test. Are any diagnostic trouble codes (DTCs) present? Yes For DTC B115E:08 GO to A9 For information on all other BCM diagnostic trouble codes (DTCs) REFER TO the BCM DTC Chart in this section. No GO to A4

A4 CHECK THE IPC (INSTRUMENT PANEL CLUSTER) DIAGNOSTIC TROUBLE CODES (DTCS) WITH SELF-TEST

Using the diagnostic scan tool, perform the IPC self-test. Are any diagnostic trouble codes (DTCs) present? Yes REFER TO: Instrumentation, Message Center and Warning Chimes (413-01 Instrumentation, Message Center and Warning Chimes, Diagnosis and Testing). No GO to A5

A5 CHECK THE APIM (ACCESSORY PROTOCOL INTERFACE MODULE) DIAGNOSTIC TROUBLE CODES (DTCS) WITH SELF-TEST

Using the diagnostic scan tool, perform the APIM self-test. Are any diagnostic trouble codes (DTCs) present? Yes For DTC C1001:01 GO to A8 For all other APIM diagnostic trouble codes (DTCs): REFER TO: Audio/Video Entertainment System (415-00B Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC/Touchscreen, Diagnosis and Testing). No GO to A6

A6 CHECK AND CLEAN THE VIDEO CAMERA LENS

Make sure the video camera lens is clean and free of debris. Test the video camera system and check the camera image. Is the video camera concern still present? Yes GO to A7 No The system is currently operating correctly. The concern was caused by a dirty video camera lens.

A7 CHECK THE DISPLAY IMAGE

Observe the FDIM when the vehicle is put into reverse. Wait 30 seconds. Does the FDIM switch to video camera mode and display REAR VIDEO CAMERA UNAVAILABLE, PLEASE CONTACT YOUR DEALER? Yes GO to A8 No CHECK the FDIM and APIM. REFER TO: Audio/Video Entertainment System (415-00B Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC/Touchscreen, Diagnosis and Testing).

A8 CHECK THE VIDEO SIGNAL CIRCUIT INTEGRITY

Ignition OFF. Disconnect the APIM C2383. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2383-14 C2383-15 Is the resistance between 74 and 106 Ohms? Yes GO to A9 No GO to A11

A9 CHECK THE VIDEO CAMERA POWER SUPPLY VOLTAGE

Disconnect video camera C4357. The ignition is on. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-1 Ground Is the voltage greater than 11 volts? Yes GO to A10 No CHECK CJB fuse 6 (10A) for proper operation. If OK, REPAIR the circuit. If not OK, REFER TO the Wiring Diagrams Cell to determine the possible causes of the short circuit.

A10 CHECK THE VIDEO CAMERA GROUND

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-1 C4357-5 Is the voltage greater than 11 volts? Yes GO to A17 No REPAIR the circuit.

A11 CHECK THE VIDEO SIGNAL CIRCUITS FOR A SHORT TO VOLTAGE

Ignition OFF. Disconnect video camera C4357, if not previously disconnected. The ignition is on. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4375-4 Ground C4357-3 Ground Is there voltage present? Yes REPAIR the faulty circuit. No GO to A12

A12 CHECK THE VIDEO SIGNAL CIRCUITS FOR A SHORT TO GROUND

Ignition OFF. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-4 Ground C4357-3 Ground Is the resistance greater than 10000 ohms? Yes GO to A13 No REPAIR the faulty circuit.

A13 CHECK THE VIDEO SIGNAL CIRCUITS FOR A SHORT TO VIDEO SCREEN

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-4 C4357-6 C4357-3 C4357-6 Is the resistance greater than 10000 ohms? Yes GO to A14 No REPAIR the faulty circuit.

A14 CHECK THE VIDEO SIGNAL CIRCUITS FOR A SHORT TO EACH OTHER

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-4 C4357-3 Is the resistance greater than 10000 Ohms? Yes GO to A15 No REPAIR the faulty circuit.

A15 CHECK THE VIDEO CAMERA SIGNAL CIRCUITS FOR AN OPEN

Ignition OFF. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-3 C2383-15 C4357-4 C2383-14 Is the resistance less than 3 ohms? Yes If the vehicle is equipped with a manual transmission, GO to A16. If the vehicle is equipped with an automatic transmission, GO to A17. No REPAIR the faulty circuit.

A16 CHECK THE REVERSE GEAR INPUT CIRCUIT VOLTAGE AT THE BCM (BODY CONTROL MODULE)

Disconnect C2280D. The ignition is on. Apply the parking brake. Select BACK. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2280D-7 Ground Is the voltage greater than 11 volts? Yes GO to A17 No REPAIR the circuit.

A17 CHECK THE VIDEO CAMERA OPERATION

Ignition OFF. Disconnect and inspect the video camera connector. 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 all previously disconnected connectors. Make sure they are installed and locked correctly. 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 no TSB applies to this concern, INSTALL a new rear video camera. REFER TO: Parking Aid Camera (413-13B Parking Aid System - Vehicles With: Parking Aid Camera, Removal and Installation). If the concern persists after the video camera is replaced, GO to A18. 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.

A18 CHECK THE BCM (BODY CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect the 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 (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If no TSBs apply to this concern, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, 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: Parking Aid System - System Operation and Component Description (413-13B Parking Aid System - Vehicles With: Parking Aid Camera, Description and Operation).

Possible Sources

• Wiring, Terminals or Connectors
• Video Camera

DIAGNOSTIC TEST B: POOR IMAGE QUALITY

B1 CHECK AND CLEAN THE REAR VIDEO CAMERA LENS

Make sure the rear video camera lens is clean and free of debris. Is the video image concern still present? Yes GO to B2 No The system is currently operating correctly. The concern was caused by a dirty video camera lens.

B2 CHECK THE VIDEO SIGNAL CIRCUIT FOR CONTINUITY

Ignition OFF. Disconnect the APIM C2383. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2383-14 C2383-15 Is the resistance between 74 and 106 Ohms? Yes GO to B3 No GO to B6

B3 CHECK THE VIDEO CAMERA GROUND CIRCUIT FOR AN OPEN

Disconnect video camera C4357. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-5 Ground Is the resistance less than 3 ohms? Yes GO to B4 No REPAIR the circuit.

B4 CHECK THE VIDEO SIGNAL CIRCUITS FOR A SHORT TO GROUND

Disconnect video camera C4357. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-4 Ground C4357-3 Ground Is the resistance greater than 10000 Ohms? Yes GO to B5 No REPAIR the faulty circuit.

B5 CHECK THE VIDEO SIGNAL CIRCUITS FOR A SHORT TO VIDEO SCREEN

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-4 C4357-6 C4357-3 C4357-6 Is the resistance greater than 10000 ohms? Yes GO to B9 No REPAIR the faulty circuit.

B6 CHECK THE VIDEO SIGNAL CIRCUITS FOR HIGH RESISTANCE

Disconnect video camera C4357. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-3 C2383-15 C4357-4 C2383-14 Is the resistance less than 3 ohms? Yes GO to B7 No REPAIR the faulty circuit.

B7 CHECK THE VIDEO SIGNAL CIRCUITS FOR A SHORT TOGETHER

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-3 C4357-4 Is the resistance greater than 10000 Ohms? Yes GO to B8 No REPAIR the faulty circuit.

B8 CHECK THE VIDEO DISPLAY CIRCUIT FOR AN OPEN

Disconnect the in-line C212. Action: Click to display the connectors Positive lead Measurement/Action Negative lead (male) C212-18 C4357-6 Is the resistance less than 3 ohms? Yes GO to B9 No REPAIR the circuit.

B9 CHECK THE VIDEO CAMERA FOR PROPER OPERATION

Ignition OFF. Disconnect and inspect the video camera connector. 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 all previously disconnected connectors. Make sure they are installed and locked correctly. 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 no TSB applies to this concern, INSTALL a new video camera. Refer to: Camera (413-13B Parking Aid - Vehicles With: Parking Aid Camera, 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

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

Normal Operation and Fault Symptoms

Refer to Visual Park Aid Alert.
Refer to: Parking Aid System Description and Operation (413-13B Parking Aid - Vehicles With: Parking Aid Camera, Description and Operation).

Possible Sources

• Video Camera
• BCM concern
• Parking Aid Audible Warning

Visual Inspection and Preliminary Diagnosis

Make sure the audible parking aid system operates correctly and the visual park aid is enabled in the FDIM.

DIAGNOSTIC TEST C: VISUAL PARKING AID WARNING INOPERATIVE

C1 CHECK THE BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). Are any continuous memory diagnostic trouble codes (CMDTCs) present? Yes REFER to the BCM DTC Chart in this section. No GO to C2

C2 CHECK THE VIDEO CAMERA FOR PROPER OPERATION

Ignition OFF. Disconnect and inspect the video camera connector. 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 Connect the video camera connector. Make sure it is properly seated and latched. 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 no TSB applies to this concern, INSTALL a new video camera. Refer to: Camera (413-13B Parking Aid - Vehicles With: Parking Aid Camera, 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

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

Normal Operation and Fault Symptoms

REFER TO: Parking Aid System - System Operation and Component Description (413-13B Parking Aid System - Vehicles With: Parking Aid Camera, Description and Operation).

Possible Sources

• Video Camera Concern
• APIM
• BCM concern
• Steering Wheel Angle Data Concern

Visual Inspection and Preliminary Diagnosis

• Make sure the liftgate is securely latched.

DIAGNOSTIC TEST D: VIDEO DELAY OR GUIDELINES INOPERATIVE

D1 CHECK AND ENABLE THE INOPERATIVE REAR VIDEO CAMERA FEATURE

The ignition is on. Wait 10 seconds. Check and enable the inoperative feature using the FDIM. Check the system for normal operation. Does the video camera feature operate correctly? Yes The rear video camera system is operating correctly at this time. The concern was caused by the feature being disabled. No GO to D2

D2 CHECK BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). Are any diagnostic trouble codes (DTCs) present? Yes REFER to the BCM DTC Chart in this section. No GO to D3

D3 PERFORM NETWORK TEST

Using a scan tool, perform the network test. Do all modules pass the network test? Yes GO to D4 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

D4 CHECK THE PSCM (POWER STEERING CONTROL MODULE) SELF-TEST DIAGNOSTIC TROUBLE CODES (DTCS)

Using the diagnostic scan tool, perform the PSCM self-test. Are any Diagnostic Trouble Codes (DTCs) retrieved? Yes REFER TO: Power Steering (211-02 Power Steering, Diagnosis and Testing). No GO to D5

D5 CHECK THE APIM (ACCESSORY PROTOCOL INTERFACE MODULE) SELF-TEST DIAGNOSTIC TROUBLE CODES (DTCS)

Using the diagnostic scan tool, perform the APIM self-test. Are any Diagnostic Trouble Codes (DTCs) retrieved? Yes For DTC C1001:01, GO to Location Test A. For all other APIM diagnostic trouble codes, Refer to: Audio/Video Entertainment System (415-00B Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC/Touchscreen Display, Diagnosis and Testing). No If the video camera delay concern is present, GO to D8. For a fixed or active (if equipped) guideline concern, GO to D6.

D6 CHECK THE LIFTGATE SWITCH PID STATUS (PARAMETER IDENTIFICATION)

Using the diagnostic scan tool, view the BCM parameter identification (PID) data. Monitor the DOOR_SW_LUGG PID while opening and closing the liftgate. Does the PID agree with the liftgate position? Yes GO to D7 No REFER TO: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).

D7 VIDEO CAMERA ISOLATION

Ignition OFF. Install a new video camera. Refer to: Camera (413-13B Parking Aid - Vehicles With: Parking Aid Camera, Removal and Installation). Check the system for normal operation. Is the concern still present? Yes GO to D9 No The video camera concern was caused by an inoperative video camera.

D8 CHECK THE APIM (ACCESSORY PROTOCOL INTERFACE MODULE) FOR PROPER OPERATION

Ignition OFF. Disconnect and inspect the APIM connector. 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 connector. Make sure it is properly seated and latched. Operate the system and determine if the concern is still present. Is the concern still present? Yes CHECK in 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, PERFORM THE FDRS PROGRAM NOTE: This procedure must be performed using FDRS. Do not clear DTCs until the FDRS procedure is complete. To complete the diagnosis, go to the FDRS Step-by-Step Procedure tab and perform the SYNC procedure. 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.

D9 CHECK THE BCM (BODY CONTROL MODULE) FOR PROPER OPERATION

Ignition OFF. Disconnect and inspect the 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 (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If no TSBs apply to this concern, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, 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.

Manual zoom feature inoperative

Normal Operation and Fault Symptoms

Refer to Manual Zoom.
Refer to: Parking Aid - System Operation and Component Description (413-13B Parking Aid - Vehicles With: Parking Aid Camera, Description and Operation).

Possible Sources

• Video Camera Concern
• BCM concern
• APIM

DIAGNOSTIC TEST E: MANUAL ZOOM FUNCTION INOPERATIVE

E1 CHECK THE BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

The ignition is on. Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). Are any diagnostic trouble codes (DTCs) present? Yes REFER to the BCM DTC Chart in this section. No GO to E2

E2 PERFORM NETWORK TEST

Using a scan tool, perform the network test. Do the BCM and APIM pass the network test? Yes GO to E3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

E3 CHECK THE APIM (ACCESSORY PROTOCOL INTERFACE MODULE) SELF-TEST DIAGNOSTIC TROUBLE CODES (DTCS)

Using a scan tool, perform the APIM self-test. Are any Diagnostic Trouble Codes (DTCs) retrieved? Yes For DTC C1001:01, GO to Location Test A. For all other APIM diagnostic trouble codes, Refer to: Audio/Video Entertainment System (415-00B Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC/Touchscreen Display, Diagnosis and Testing). No GO to E4

E4 CHECK THE VIDEO CAMERA FOR PROPER OPERATION

Ignition OFF. Disconnect and inspect the video camera connector. 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 Connect the video camera connector. Make sure it is properly seated and latched. 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 no TSB applies to this concern, INSTALL a new rear video camera. Refer to: Camera (413-13B Parking Aid - Vehicles With: Parking Aid Camera, 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.

B1088:83, B1088:88, U0264:87

Normal Operation and Fault Symptoms

Refer to LIN Communication.
Refer to: Parking Aid - System Operation and Component Description (413-13B Parking Aid - Vehicles With: Parking Aid Camera, Description and Operation).

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
B1088:83	LIN Bus "B": Incorrect Signal Protection Calculation Value	Stored in continuous memory when the BCM detects that a message received from the video camera does not match the correct checksum.
B1088:88	LIN Bus "B": Bus Off	Stored in continuous memory when the BCM detects a short to battery or short to ground in the LIN communication circuit.
U0264:87	Loss of communication with the rear camera module: no message	Stored in continuous memory when the BCM cannot communicate with the camera for 2 seconds or more with the ignition on.

Possible Sources

• Wiring, Terminals or Connectors
• Video Camera
• BCM

DIAGNOSTIC TEST F: B1088:83, B1088:88, U0264:87

F1 CHECK THE BCM (BODY CONTROL MODULE) FOR OTHER CAMERA DIAGNOSTIC TROUBLE CODES (DTCS)

The ignition is on. Using a diagnostic scan tool, check the BCM diagnostic trouble codes (DTCs). Is DTC B115E:08, B115E:49 or B115E:55 present? Yes REFER to the BCM DTC Chart in this section. No GO to F2

F2 CHECK THE LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO BATTERY

Ignition OFF. Disconnect C2280G. Disconnect video camera C4357. The ignition is on. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-2 Ground Is there voltage present? Yes REPAIR the circuit. No GO to F3

F3 CHECK THE LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND

Ignition OFF. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-2 Ground Is the resistance greater than 10000 Ohms? Yes GO to F4 No REPAIR the circuit.

F4 CHECK THE LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN

Action: Click to display the connectors Positive lead Measurement/Action Negative lead C4357-2 C2280G-24 Is the resistance less than 3 ohms? Yes GO to F5 No REPAIR the circuit.

F5 CHECK THE REAR VIEW CAMERA FOR PROPER OPERATION

Inspect the rear view camera connector. 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 all previously disconnected connectors. Make sure they are installed and locked correctly. 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 procedure. If no TSB applies to this concern, INSTALL a new rear view camera. REFER TO: Parking Aid Camera (413-13B Parking Aid System - Vehicles With: Parking Aid Camera, Removal and Installation). If the concern is not resolved after replacing the camera, GO to F6. 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.

F6 CHECK THE BCM (BODY CONTROL MODULE) FOR PROPER OPERATION

Ignition OFF. Disconnect and inspect the 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 (TSBs). If a TSB exists for this concern, STOP this test and FOLLOW the TSB instructions. If no TSBs apply to this concern, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, 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.

Rear view camera image is displayed upside down

Normal Operation and Fault Symptoms

REFER TO: Parking Aid System - System Operation and Component Description (413-13B Parking Aid System - Vehicles With: Parking Aid Camera, Description and Operation).

Possible Sources

• Video Camera Concern
• BCM concern

DIAGNOSTIC TEST G: REAR VIEW CAMERA IMAGE DISPLAYED UPSIDE DOWN

G1 CHECK THE BCM (BODY CONTROL MODULE) FOR CONTINUOUS MEMORY DTCS (CMDTCS)

The ignition is on. Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). Are any diagnostic trouble codes (DTCs) present? Yes REFER to the BCM DTC Chart in this section. No GO to G2

G2 CHECK THAT THE CAMERA IS CONFIGURED CORRECTLY

Using the diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs). Ignition OFF. Wait 10 seconds. The ignition is on. Wait 10 seconds. Select BACK. Is the rear view camera image still displayed upside down? 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 rear video camera. Refer to: Camera (413-13B Parking Aid - Vehicles With: Parking Aid Camera, Removal and Installation). No The system is operating normally at this time. The concern was caused by the rear view camera setting.