Body Control Module (BCM). Diagnosis and Testing

DTC Chart: Body Control Module (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).

DTC Chart

Trouble Code	Description	Action
B1007:92	High Beam Headlamp Switch: Malfunction or Incorrect Operation	REFER TO: Headlamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1008:92	Wiper Mode Switch: Inoperative or Incorrect Operation	SEE: Windshield Wiper and Washer (501-16 Windshield Wiper and Washer, Diagnosis and Testing).
B1013:23	Rear Heater Switch: Low Signal	REFER TO: Glass, Frames and Mechanisms - Vehicles With: Front Manual Window Regulators (501-11 Glass, Frames and Mechanisms, Diagnosis and Testing).
B1034:12	Front Left Seat Heater Element: Short to Battery	SEE: Seats (501-10 Seats, Diagnosis and Testing).
B1034:14	Left Front Seat Heater Element: Short to Ground or Open Circuit	SEE: Seats (501-10 Seats, Diagnosis and Testing).
B1036:12	Front Right Seat Heater Element: Short to Battery	SEE: Seats (501-10 Seats, Diagnosis and Testing).
B1036:14	Right Front Seat Heater Element: Short to Ground or Open Circuit	SEE: Seats (501-10 Seats, Diagnosis and Testing).
B1046:23	Front Fog Lamp Control Switch: Signal Low	SEE: Fog Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1051:92	Front Washer Switch: Malfunction or Incorrect Operation	SEE: Windshield Wiper and Washer (501-16 Windshield Wiper and Washer, Diagnosis and Testing).
B1052:92	Rear Washer Switch: Malfunction or Incorrect Operation	SEE: Windshield Wiper and Washer (501-16 Windshield Wiper and Washer, Diagnosis and Testing).
B1088:83	LIN Bus "B": Incorrect Signal Protection Calculation Value	REFER TO: Parking Aid System (413-13B Parking Aid System - Vehicles With Parking Aid Camera, Diagnosis and Testing).
B1088:88	LIN Bus "B": Bus Off	REFER TO: Parking Aid System (413-13B Parking Aid System - Vehicles With Parking Aid Camera, Diagnosis and Testing).
B108F: 23	Cab Lock/Unlock Switch: Low Signal Level	REFER TO: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).
B1091:12	Courtesy Lamp Circuit: Short to Battery	REFER TO: Interior Lamps (417-02 Interior Lamps, Diagnosis and Testing).
B1098:11	Left Parking Lamp: Short to Ground	REFER TO: Parking, Tail and License Plate Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1098:15	Left Parking Lamp: Short to Battery or Open Circuit	REFER TO: Parking, Tail and License Plate Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1099:11	Right Parking Lamp: Short to Ground	REFER TO: Parking, Tail and License Plate Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1099:15	Right Parking Lamp: Short to Battery or Open Circuit	REFER TO: Parking, Tail and License Plate Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B109A:12	High Beam Relay: Short to Battery	REFER TO: Headlamps (417-01 Exterior Lighting, Diagnosis and Testing).
B109A:14	High Beam Relay: Short to Ground or Open Circuit	REFER TO: Headlamps (417-01 Exterior Lighting, Diagnosis and Testing).
B10A6:92	Main Light Switch: Performance or Incorrect Operation	REFER TO: Headlamps (417-01 Exterior Lighting, Diagnosis and Testing).
B10B1:92	Interior Set/Reset Switch: Operates or Malfunctions	REFER TO: Perimeter Alarm (419-01A Perimeter Alarm, Diagnosis and Testing).
B10E5:11	PCM Wake-Up Signal: Short to Ground	Refer to: Starting System (303-06 Starting System – 1.6 L Duratec-16V Ti-VCT (88 kW/120 L hp) – Sigma). Refer to: Starting System (303-06B Starting System – 1.6 L EcoBoost (132 kW/180 L hp) – Sigma, Diagnosis and Testing).
B10F1:23	Key Switch: Signal Low	REFER TO: Instrumentation, Message Center and Warning Chimes (413-01 Instrumentation, Message Center and Warning Chimes, Diagnosis and Testing).
B1108:77	Driver door central locking motor: Set position not available	REFER TO: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).
B1108:92	Driver door central locking motor: Malfunction or incorrect operation	REFER TO: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).
B113E: 23	External Load/Trunk Unlatch Switch: Signal Low	REFER TO: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).
B1142:13	Ignition Status 1: Circuit Open	REFER TO: Steering Wheel and Column Electrical Components (211-05 Steering Wheel and Column Electrical Components, Diagnosis and Testing).
B115A: 23	Front Passenger Seat Heater: Low Signal Level	SEE: Seats (501-10 Seats, Diagnosis and Testing).
B115B: 23	Front Driver Seat Heater: Low Signal Level	SEE: Seats (501-10 Seats, Diagnosis and Testing).
B115E:08	Camera Module: Bus Signal/Message Failure	REFER TO: Parking Aid System (413-13B Parking Aid System - Vehicles With Parking Aid Camera, Diagnosis and Testing).
B115E:49	Camera Module: Internal Electronic Failure	REFER TO: Parking Aid System (413-13B Parking Aid System - Vehicles With Parking Aid Camera, Diagnosis and Testing).
B115E:55	Camera Module: Not Configured	REFER TO: Parking Aid System (413-13B Parking Aid System - Vehicles With Parking Aid Camera, Diagnosis and Testing).
B1175:92	Driver Door Ajar Switch: Malfunction or Incorrect Operation	REFER TO: Interior Lamps (417-02 Interior Lamps, Diagnosis and Testing).
B1176:92	Passenger Door Ajar Sensor: Malfunction or Incorrect Operation	REFER TO: Interior Lamps (417-02 Interior Lamps, Diagnosis and Testing).
B1178:92	Boot/Trunk Ajar Switch: Performance or Incorrect Operation	REFER TO: Interior Lamps (417-02 Interior Lamps, Diagnosis and Testing).
B1182:00	Tire Pressure Monitoring System: No Sub-type Information	SEE: Tire Pressure Monitoring System (TPMS) (204-04B Tire Pressure Monitoring System (TPMS), Diagnosis and Testing).
B1182:55	Tire Pressure Monitoring System: Not Configured	SEE: Tire Pressure Monitoring System (TPMS) (204-04B Tire Pressure Monitoring System (TPMS), Diagnosis and Testing).
B1187:92	Liftgate Motor: Performance or Incorrect Operation	REFER TO: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).
B11DC:92	Rear Wiper Mode Switch: Inoperative or Incorrect Operation	SEE: Windshield Wiper and Washer (501-16 Windshield Wiper and Washer, Diagnosis and Testing).
B11E9:92	Left Rear Door Ajar Sensor: Malfunction or Incorrect Operation	REFER TO: Interior Lamps (417-02 Interior Lamps, Diagnosis and Testing).
B11EA:92	Right Rear Door Ajar Sensor: Malfunction or Incorrect Operation	REFER TO: Interior Lamps (417-02 Interior Lamps, Diagnosis and Testing).
B123A:11	Left front turn signal: short to ground	REFER TO: Turn Signal and Hazard Warning Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B123A: 15	Left front turn signal: short to battery or open circuit	REFER TO: Turn Signal and Hazard Warning Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B123B: 11	Right front turn signal: short to ground	REFER TO: Turn Signal and Hazard Warning Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B123B: 15	Right front turn signal: short to battery or open circuit	REFER TO: Turn Signal and Hazard Warning Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1247:11	Left rear turn signal: short to ground	REFER TO: Turn Signal and Hazard Warning Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1247:15	Left rear turn signal: short to battery or open circuit	REFER TO: Turn Signal and Hazard Warning Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1248:11	Right rear turn signal: short to ground	REFER TO: Turn Signal and Hazard Warning Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1248:15	Right rear turn signal: short to battery or open circuit	REFER TO: Turn Signal and Hazard Warning Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B124D:02	Tire Pressure Sensor: General Signal Failure	SEE: Tire Pressure Monitoring System (TPMS) (204-04B Tire Pressure Monitoring System (TPMS), Diagnosis and Testing).
B1251:00	Tire Pressure Sensor Low Battery Charge: No Sub-type Information	SEE: Tire Pressure Monitoring System (TPMS) (204-04B Tire Pressure Monitoring System (TPMS), Diagnosis and Testing).
B1254:51	Right Rear (Outboard on Dual Wheel) Tire Pressure Sensor and Transmitter Assembly: Not Programmed	SEE: Tire Pressure Monitoring System (TPMS) (204-04B Tire Pressure Monitoring System (TPMS), Diagnosis and Testing).
B1255:51	Rear Left (outside on dual rear wheel) Tire Pressure Sensor and Transmitter Assembly: Not Programmed	SEE: Tire Pressure Monitoring System (TPMS) (204-04B Tire Pressure Monitoring System (TPMS), Diagnosis and Testing).
B131A: 12	Accessory Delay Power: Short to Battery	REFER TO: Glass, Frames and Mechanisms - Vehicles With: Front Manual Window Regulators (501-11 Glass, Frames and Mechanisms, Diagnosis and Testing).
B1323:23	Horn Switch: Signal Low	REFER TO: Horn (413-06 Horn, Diagnosis and Testing).
B134E:13	Lighting Adjustment Control Switch: Circuit Open	REFER TO: Instrument Panel and Interior Lighting (413-00 Instrument Panel and Interior Lighting Switches, Diagnosis and Testing).
B134E: 23	Lighting Adjustment Control Switch: Signal Low	REFER TO: Instrument Panel and Interior Lighting (413-00 Instrument Panel and Interior Lighting Switches, Diagnosis and Testing).
B1A78:12	Front Fog Lamp: Short to Battery	SEE: Fog Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1A78:14	Front Fog Lamp: Short to Ground or Open Circuit	SEE: Fog Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1A84:41	Vehicle Configuration Data: General Checksum Error	CHECK the vehicle service history for recent service actions involving this module. This DTC is set due to an incomplete or incorrect PMI procedure. If there have been recent service actions on this module, REPEAT the PMI procedure as directed by the diagnostic scan tool. REFER TO: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation). If no recent service actions have been performed, INSTALL a new BCM to correct the configuration data retention error. SEE: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
B1A84:51	Vehicle Configuration Data: Not Programmed	CHECK the vehicle service history for recent service actions involving this module. This DTC is set due to an incomplete or incorrect PMI procedure. If there have been recent service actions on this module, REPEAT the PMI procedure as directed by the diagnostic scan tool. REFER TO: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation). If no recent service actions have been performed, INSTALL a new BCM to correct the configuration data retention error. SEE: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
B1A85:21	Ambient Light Sensor: Signal Amplitude < Minimum	SEE: Headlamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1A85:22	Ambient Light Sensor: Signal Amplitude > Maximum	SEE: Headlamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1B44:00	Right Rear Outer Sensor: No Subtype Information	REFER TO: Parking Aid System (413-13A Parking Aid - Vehicles With: Rear Parking Aid System, Diagnosis and Testing).
B1B46:00	Right Rear Inner Sensor: No Subtype Information	REFER TO: Parking Aid System (413-13A Parking Aid - Vehicles With: Rear Parking Aid System, Diagnosis and Testing).
B1B48:00	Left Rear Outer Sensor: No Subtype Information	REFER TO: Parking Aid System (413-13A Parking Aid - Vehicles With: Rear Parking Aid System, Diagnosis and Testing).
B1B50:00	Left Rear Inner Sensor: No Subtype Information	REFER TO: Parking Aid System (413-13A Parking Aid - Vehicles With: Rear Parking Aid System, Diagnosis and Testing).
B1B58:11	Rear Sensor Power Supply Circuit: Short to Ground	REFER TO: Parking Aid System (413-13A Parking Aid - Vehicles With: Rear Parking Aid System, Diagnosis and Testing).
B1C45:24	Front Wiper Park Switch Signal: Constantly High	SEE: Windshield Wiper and Washer (501-16 Windshield Wiper and Washer, Diagnosis and Testing).
B1C53:13	Front Wiper Intermittent Data: Circuit Open	SEE: Windshield Wiper and Washer (501-16 Windshield Wiper and Washer, Diagnosis and Testing).
B1D00:11	Low Beam Left: Short to Ground	REFER TO: Headlamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1D00:15	Low Beam Left: Short to Battery or Open Circuit	REFER TO: Headlamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1D01:11	Low Beam Right: Short to Ground	REFER TO: Headlamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1D01:15	Low Beam Right: Short to Battery or Open Circuit	REFER TO: Headlamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1D14:11	Interior Lamp Circuit "B": Short to Ground	REFER TO: Interior Lamps (417-02 Interior Lamps, Diagnosis and Testing).
B1D21:62	Remote Control Switch: Signal Comparison Failure	REFER TO: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).
B1D34:00	Heater in Lock Mode: No Subtype Information	IGNORE this DTC.
B1D35:23	Hazard Switch: Signal Low	REFER TO: Turn Signal and Hazard Warning Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
B1D36:92	Turn Signal Switch: Performance or Incorrect Operation	REFER TO: Turn Signal and Hazard Warning Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
C1137:24	Reverse Gear Switch: Stuck High	REFER TO: Backup Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
C1A56:51	Left Front Tire Pressure Sensor and Transmitter Assembly: Not Programmed	SEE: Tire Pressure Monitoring System (TPMS) (204-04B Tire Pressure Monitoring System (TPMS), Diagnosis and Testing).
C1A58:51	Right Front Tire Pressure Sensor and Transmitter Assembly: Not Programmed	SEE: Tire Pressure Monitoring System (TPMS) (204-04B Tire Pressure Monitoring System (TPMS), Diagnosis and Testing).
C1A96:24	Stop Lamp Switch: Signal High	Refer to: Stop Lamps (417-01 Exterior Lighting, Diagnosis and Testing).
P062F: 41	Internal Control Module EEPROM Error: General Checksum Error	PERFORM PMI on the BCM. CLEAR the diagnostic trouble codes (DTCs), wait 10 seconds and REPEAT the self-test. If the DTC returns, INSTALL a new BCM. SEE: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
P062F: 46	Internal Control Module EEPROM Error: Calibration/Parameter Memory Failure	PERFORM PMI on the BCM. CLEAR the diagnostic trouble codes (DTCs), wait 10 seconds and REPEAT the self-test. If the DTC returns, INSTALL a new BCM. SEE: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
P1397:00	System Voltage Out of Self-Test Range: No Subtype Information	If DTC P1397:00 is set with DTC U3003:16: GO to Pinpoint Test G. If DTC P1397:00 is set with DTC U3003:17: GO to Pinpoint Test H.
P254F:00	Hood Ajar Switch Circuit / Open: No Subtype Information	REFER TO: Perimeter Alarm (419-01A Perimeter Alarm, Diagnosis and Testing).
U0010:88	Medium Speed CAN Communication Bus: Bus Off	REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).
U0101:00	Lost Communication with TCM: No Sub Type Information	GO to Pinpoint Test A
U0121:00	Lost Communication with Anti-Lock Braking System (ABS) Control Module: No Sub-Type Information	GO to Pinpoint Test B
U0131:00	Lost communication with power steering amplifier control module: no sub-type information	GO to Pinpoint Test C
U0155:00	Lost Communication with Instrument Panel Cluster (IPC) Control Module: No Sub Type Information	GO to Pinpoint Test D
U0164:00	Lost Communication with HVAC Control Module: No Sub Type Information	GO to Pinpoint Test E
U0167:00	Lost Communication with Vehicle Anti-Theft Control Module: No Subtype Information	GO to Pinpoint Test F
U0264:87	Lost Communication with Rear View Camera Module: No Message	REFER TO: Parking Aid System (413-13B Parking Aid System - Vehicles With Parking Aid Camera, Diagnosis and Testing).
U0415:68	Incorrect Data Received from Anti-Lock Brake System (ABS) Module: Event Information	RETRIEVE and REPAIR all non-network DTCs stored in the ABS module. 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).
U2005:81	Vehicle Speed: Incorrect Serial Data Received	A speed signal was detected during the Self-Test. DIAGNOSE any symptoms or other module malfunctions. Present Diagnostic Trouble Codes (DTCs). CLEAR the DTCs, wait 10 seconds and REPEAT the BCM Self-Test. If there are no other symptoms or DTCs, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunctional Electronic Modules, Removal and Installation).
U2010:11	Switch Illumination: Short to Ground	REFER TO: Instrument Panel and Interior Lighting (413-00 Instrument Panel and Interior Lighting Switches, Diagnosis and Testing).
U2017:04	Control Module No. 2 Software Internal System Fault	REFER to all other Diagnostic Trouble Codes (DTCs) first. CLEAR the DTCs, wait 10 seconds and REPEAT the Self-Test. If DTC U2017:04 recurs, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunctional Electronic Modules, Removal and Installation).
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 an incomplete or incorrect PMI procedure. If there have been recent service actions on this module, REPEAT the PMI procedure as directed by the diagnostic scan tool. REFER TO: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation). If no recent service actions have been performed, INSTALL a new BCM to correct the configuration data retention error. SEE: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
U3000:44	Control Module: Data Memory Failure	PERFORM the PMI on the BCM. REFER TO: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation). CLEAR the DTCs, wait 10 seconds and REPEAT the Self-Test. If DTC U3000:44 recurs, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunctional Electronic Modules, Removal and Installation).
U3000:45	Control Module Software Memory Failure	PERFORM the PMI on the BCM. REFER TO: Module Configuration - System Operation and Component Description (418-01 Module Configuration, Description and Operation). CLEAR the DTCs, wait 10 seconds and REPEAT the Self-Test. If DTC U3000:45 recurs, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunctional Electronic Modules, Removal and Installation).
U3000:49	Control Module: Internal Electronic Failure	REFER to all other Diagnostic Trouble Codes (DTCs) first. CLEAR the DTCs, wait 10 seconds and REPEAT the Self-Test. If DTC U3000:49 recurs, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunctional Electronic Modules, Removal and Installation).
U3003:16	Battery Voltage: Circuit Voltage Below Threshold	GO to Pinpoint Test G
U3003:17	Battery Voltage: Circuit Voltage Above Threshold	GO to Pinpoint Test H

Symptom Chart

Symptom Chart: Multifunction Electronic Modules

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).

Symptom Chart

Condition	Possible Sources	Action
BCM does not respond to the diagnostic scan tool	Fuse(s) Wiring, Terminals or Connectors BCM	REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

Pinpoint Tests

DTC U0101:00

Normal Operation and Fault Symptoms

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0101:00	Lost Communication with TCM: No Sub Type Information	Continuous memory and on-demand DTC that is set in the BCM if data messages received from the TCM via the IPC over MS-CAN are absent for more than 2 seconds.

Possible Sources

• Communication network concern
• Battery Voltage Concern
• TCM
• PCM
• BCM

PINPOINT TEST A: DTC U0101:00

A1 CONFIRM THE CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to A2 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent fault. CLEAR the DTC.

A2 CHECK THE COMMUNICATION NETWORK

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

A3 PERFORM the TCM (TRANSMISSION CONTROL MODULE) SELF-TEST

Using a diagnostic scan tool, perform the TCM self-test. Are any Diagnostic Trouble Codes (DTCs) recorded? Yes REFER TO: Automatic Transmission (307-01 Automatic Transmission - 6-Speed PowerShift Transmission - DPS6/6DCT250, Diagnosis and Testing). No GO to A4

A4 PERFORM the IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

Using the diagnostic scan tool, perform the IPC self-test. Are any Diagnostic Trouble Codes (DTCs) recorded? 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 BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, check the BCM diagnostic trouble codes (DTCs). Is DTC U3003:16 or DTC U3003:17 stored? Yes REFER to the BCM DTC Chart in this section. No GO to A6

A6 RECHECK the BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

Using the diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs). Wait 10 seconds. Using a scan tool, perform the BCM self-test. DTC U0101:00 still present? Yes GO to A7 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent fault.

A7 CHECK for DTC (DIAGNOSTIC TROUBLE CODE) U0101 SET IN OTHER MODULES

Using the diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Retrieve continuous memory diagnostic trouble codes (CMDTC) from all modules. Is DTC U0101 set in any other module? Yes GO to A8 No GO to A9

A8 CHECK the TCM (TRANSMISSION CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect the TCM 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 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 TCM. REFER TO: Transmission Control Module (TCM) (307-01 Automatic Transmission - 6-Speed PowerShift Transmission - DPS6/6DCT250, 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.

A9 CHECK THE 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 terminals/pins - install new terminals/pins pushed-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 TSB applies to this concern, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunctional Electronic Modules, 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.

DTC U0121:00

Normal Operation and Fault Symptoms

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	Continuous memory DTC that is set in the BCM if ABS messages received from the ABS module via the IPC over MS-CAN are absent for more than 2 seconds.

Possible Sources

• Communication network concern
• Battery Voltage Concern
• ABS Module
• PCM
• BCM

PINPOINT TEST B: DTC U0121:00

B1 CONFIRM THE CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to B2 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent fault.

B2 CHECK THE COMMUNICATION NETWORK

Using a scan tool, perform the network test. Does the ABS module pass the network test? Yes GO to B3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

B3 PERFORM the ABS (ANTI-LOCK BRAKE SYSTEM) MODULE SELF-TEST

Using the diagnostic scan tool, perform a self-test of the ABS module. Are any Diagnostic Trouble Codes (DTCs) recorded? 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 B5

B4 PERFORM the IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

Using the diagnostic scan tool, perform the IPC self-test. Are any Diagnostic Trouble Codes (DTCs) recorded? Yes REFER TO: Instrumentation, Message Center and Warning Chimes (413-01 Instrumentation, Message Center and Warning Chimes, Diagnosis and Testing). No GO to B5

B5 CHECK the BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Wait 10 seconds. Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). Is DTC U3003:16 or DTC U3003:17 stored? Yes REFER to the BCM DTC Chart in this section. No GO to B6

B6 RECHECK the BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Using the diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs). Wait 10 seconds. Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). Is DTC U0121:00 still present? Yes GO to B7 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent fault.

B7 CHECK for DTC (DIAGNOSTIC TROUBLE CODE) U0121:00 SET IN OTHER MODULES

Using the diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Retrieve continuous memory diagnostic trouble codes (CMDTC) from all modules. Is DTC U0121:00 set in any other modules? Yes GO to B8 No GO to B9

B8 CHECK THE ABS (ANTI-LOCK BRAKE SYSTEM) MODULE OPERATION

Ignition OFF. Disconnect and inspect the ABS module connector. 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 ABS module 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 ABS module (HCU). REFER TO: Hydraulic Control Unit (HCU) (206-09 Anti-Lock Brake System (ABS) and Electronic Stability Control, 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.

B9 CHECK THE BCM (BODY CONTROL MODULE) FOR PROPER OPERATION

Ignition OFF. Disconnect and inspect all BCM 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 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 TSB applies to this concern, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunctional Electronic Modules, 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.

DTC U0131:00

Normal Operation and Fault Symptoms

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0131:00	Lost communication with power steering amplifier control module: no sub-type information	Continuous memory DTC that is set in the BCM if power steering messages received from the PSCM via the IPC over MS-CAN are absent for more than 2 seconds.

Possible Sources

• Communication network concern
• Battery Voltage Concern
• PSCM
• PCM
• BCM

PINPOINT TEST C: DTC U0131:00

C1 CHECK THE CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to C2 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent fault.

C2 CHECK THE COMMUNICATION NETWORK

Using a scan tool, perform the network test. Does the PSCM pass the network test? Yes GO to C3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

C3 PERFORM the PSCM (POWER STEERING CONTROL MODULE) SELF-TEST

Using the diagnostic scan tool, perform the PSCM self-test. Are any Diagnostic Trouble Codes (DTCs) recorded? Yes REFER TO: Power Steering (211-02 Power Steering, Diagnosis and Testing). No GO TO C4

C4 PERFORM the IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

Using the diagnostic scan tool, perform the IPC self-test. Are any Diagnostic Trouble Codes (DTCs) recorded? Yes REFER TO: Instrumentation, Message Center and Warning Chimes (413-01 Instrumentation, Message Center and Warning Chimes, Diagnosis and Testing). No GO to C5

C5 CHECK the BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Wait 10 seconds. Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). Is DTC U3003:16 or DTC U3003:17 stored? Yes REFER to the BCM DTC Chart in this section. No GO to C6

C6 RECHECK BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Using the diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs). Wait 10 seconds. Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). IS DTC U0131:00 STILL PRESENT? Yes GO TO C7 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent fault.

C7 CHECK DTC U0131:00 SET IN OTHER MODULES

Using the diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Retrieve continuous memory diagnostic trouble codes (CMDTC) from all modules. Is DTC U0131:00 set in other modules? Yes GO TO C8 No GO TO C9

C8 CHECK PSCM (POWER STEERING CONTROL MODULE) OPERATION

Ignition OFF. Disconnect and inspect all PSCM 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 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, Click here to access the guided routine (EPAS). REFER TO: Steering Column (211-04 Steering Column, 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.

C9 CHECK THE 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 terminals/pins - install new terminals/pins pushed-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 TSB applies to this concern, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunctional Electronic Modules, 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.

DTC U0155:00

Normal Operation and Fault Symptoms

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	Continuous memory DTC that sets in the BCM if messages received from the IPC over MS-CAN are absent for more than 2 seconds.

Possible Sources

• Communication network concern
• Battery Voltage Concern
• PCM
• BCM

PINPOINT TEST D: DTC U0155:00

D1 VERIFY CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to D2 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent fault.

D2 CHECK THE COMMUNICATION NETWORK

Using a scan tool, perform the network test. Does the IPC pass the network test? Yes GO to D3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

D3 PERFORM IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

Using the diagnostic scan tool, perform the IPC self-test. Are any Diagnostic Trouble Codes (DTCs) recorded? Yes REFER TO: Instrumentation, Message Center and Warning Chimes (413-01 Instrumentation, Message Center and Warning Chimes, Diagnosis and Testing). No GO to D4

D4 CHECK BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Wait 10 seconds. Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). Is DTC U3003:16 or DTC U3003:17 stored? Yes REFER to the BCM DTC Chart in this section. No GO to D5

D5 RECHECK BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Using the diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs). Wait 10 seconds. Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). Is DTC U0155:00 still present? Yes GO to D6 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent fault.

D6 CHECK DTC U0155:00 SET IN OTHER MODULES

Using the diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Retrieve continuous memory diagnostic trouble codes (CMDTC) from all modules. Is DTC U0155:00 set in other modules? Yes GO to D7 No GO to D8

D7 CHECK IPC (INSTRUMENT PANEL CLUSTER) OPERATION

Ignition OFF. Disconnect and inspect all IPC 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 Connect the IPC 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, Click here to access the guided procedure (IPC). 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.

D8 CHECK THE 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 terminals/pins - install new terminals/pins pushed-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 TSB applies to this concern, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunctional Electronic Modules, 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.

DTC U0164:00

Normal Operation and Fault Symptoms

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0164:00	Lost Communication with HVAC Control Module: No Sub Type Information	Continuous memory DTC that sets in the BCM if messages received from the HVAC module over MS-CAN are absent for more than 2 seconds.

Possible Sources

• Communication network concern
• Battery Voltage Concern
• HVAC Module
• BCM

PINPOINT TEST E: DTC U0164:00

E1 CONFIRM THE CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to E2 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent fault.

E2 CHECK COMMUNICATION NETWORK

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

E3 PERFORM HVAC (HEATING, VENTILATION AND AIR CONDITIONING) MODULE SELF-TEST

Using the scan tool, perform the HVAC module self-test. Are any Diagnostic Trouble Codes (DTCs) recorded? Yes REFER TO: Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) (412-00 Climate Control System - General Information, Diagnosis and Testing). REFER TO: Climate Control System - Vehicles With: Electronic Automatic Temperature Control (EATC) (412-00 Climate Control System - General Information, Diagnosis and Testing). No GO to E4

E4 CHECK BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Wait 10 seconds. Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). Is DTC U3003:16 or DTC U3003:17 stored? Yes REFER to the BCM DTC Chart in this section. No GO to E5

E5 RECHECK BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Using the diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs). Wait 10 seconds. Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). Is DTC U0164:00 still present? Yes GO to E6 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent fault.

E6 CHECK DTC U0164:00 SET IN OTHER MODULES

Using the diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Retrieve continuous memory diagnostic trouble codes (CMDTC) from all modules. Is DTC U0164:00 set in other modules? Yes GO to E7 No GO to E8

E7 CHECK HVAC (HEATING, VENTILATION AND AIR CONDITIONING) MODULE OPERATION

Ignition OFF. Disconnect and inspect all HVAC module 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 Connect the HVAC module 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 TSB applies to this concern, INSTALL a new HVAC module. REFER TO: Heating, Ventilation and Air Conditioning (HVAC) Module (412-00 Climate Control System - General Information, 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.

E8 CHECK THE 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 terminals/pins - install new terminals/pins pushed-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 TSB applies to this concern, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunctional Electronic Modules, 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.

DTC U0167:00

Normal Operation and Fault Symptoms

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U0167:00	Lost communication with vehicle immobilizer control module: no sub-type information	Continuous memory DTC that sets in the BCM if messages received from the RFA over MS-CAN are absent for more than 2 seconds.

Possible Sources

• Communication network concern
• Battery Voltage Concern
• RFA
• BCM

PINPOINT TEST F: DTC U0167:00

F1 CONFIRM THE CUSTOMER CONCERN

The ignition is on. Make sure the observed symptom is present. Is the observed symptom present? Yes GO to F2 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent fault.

F2 CHECK THE COMMUNICATION NETWORK

Using a scan tool, perform the network test. Does the RFA module pass the network test? Yes GO to F3 No REFER TO: Communication Network (418-00 Communication Network, Diagnosis and Testing).

F3 PERFORM RFA (REMOTE FUNCTION ACTUATOR) MODULE SELF-TEST

Using the diagnostic scan tool, perform the RFA module self-test. Are any Diagnostic Trouble Codes (DTCs) recorded? Yes Refer to: Remote Function Actuator (RFA) Module (419-10 Multifunction Electronic Modules, Diagnosis and Testing). No GO to F4

F4 CHECK BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Wait 10 seconds. Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). Is DTC U3003:16 or DTC U3003:17 stored? Yes REFER to the BCM DTC Chart in this section. No GO to F5

F5 RECHECK BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

Using the diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs). Wait 10 seconds. Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). Is DTC U0167:00 still present? Yes GO to F6 No The system is currently operating correctly. The DTC may have been set due to high network traffic or an intermittent fault.

F6 CHECK DTC U0167:00 SET IN OTHER MODULES

Using the diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs). Ignition OFF. The ignition is on. Wait 10 seconds. Using a scan tool, perform a continuous memory self-test. Retrieve continuous memory diagnostic trouble codes (CMDTC) from all modules. Is DTC U0167:00 set in other modules? Yes GO to F7 No GO to F8

F7 CHECK RFA (REMOTE FUNCTION ACTUATOR) MODULE OPERATION

Ignition OFF. Disconnect and inspect all RFA module 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 RFA module 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 TSB applies to this concern, INSTALL a new RFA module. REFER TO: Remote Function Actuator (RFA) Module (419-10 Multifunction Electronic Modules, 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.

F8 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 terminals/pins - install new terminals/pins pushed-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 TSB applies to this concern, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunctional Electronic Modules, 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.

Diagnostic trouble codes U3003:16, P1397:00

For wiring diagrams and connector information, refer to Wiring Diagrams, Cell 10.

For wiring diagrams and connector information, refer to Wiring Diagrams, Cell 13.

Normal Operation and Fault Symptoms

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U3003:16	Battery Voltage: Circuit Voltage Below Threshold	Continuous memory diagnostic trouble code that sets in the BCM when the BCM detects battery voltage below 8.3 volts (for more than 10 seconds) at the power supply inputs.
P1397:00	System Voltage Out of Self-Test Range: No Subtype Information	On-demand DTC that sets in the BCM when the BCM detects battery voltage below the threshold value at the power supply input. Monitor the BCM for diagnostic trouble code U3003:16.

Possible Sources

• Wiring, Terminals or Connectors
• Charging System Concern
• Battery
• BCM

PINPOINT TEST G: DTC U3003:16, P1397:00

G1 RECHECK BCM (BODY CONTROL MODULE) ON-DEMAND AND CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

The ignition is on. Using the diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs). Wait 10 seconds. Using a scan tool, perform the BCM self-test. IS DTC U3003:16 STILL PRESENT? Yes GO to G2 No The system is currently operating correctly. The DTC may have been set due to a previous low battery voltage condition.

G2 CHECK CHARGING SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS) IN PCM (POWERTRAIN CONTROL MODULE)

Using the diagnostic scan tool, perform the PCM KOEO self-test. Are any low voltage diagnostic trouble codes (DTCs) recorded? Yes REFER TO: Charging System - 1.6 L EcoBoost (132 kW/180 L PS) - Sigma (414-00 Charging System - General Information, Diagnosis and Testing). REFER TO: Charging System - 1.6 L Duratec-16V Ti-VCT (88 kW/120 L PS) - Sigma (414-00 Charging System - General Information, Diagnosis and Testing). REFER TO: Charging System - 1.6 L EcoBoost (132 kW/180 L PS) - Sigma (414-00 Charging System - General Information, Diagnosis and Testing). No GO to G3

G3 CHECK BATTERY CONDITION AND CHARGE

Ignition OFF. Check the battery condition and make sure the battery is fully charged. REFER TO: Battery (414-01 Battery, Mounting and Cables, Diagnosis and Testing). Is the battery in good condition and fully charged? Yes GO to G4 No CHARGE or INSTALL a new battery as necessary. REFER TO: Battery (414-01 Battery, Mounting and Cables, Diagnosis and Testing).

G4 COMPARE BCM (BODY CONTROL MODULE) BATTERY VOLTAGE PID (PARAMETER IDENTIFICATION) TO ACTUAL BATTERY VOLTAGE

Start the engine. Turn on the accessories (climate control blower on high speed, exterior lamps). With the engine running at idle, measure and record the battery voltage. Using the diagnostic scan tool, view the BCM PID (V_BATT_ECU). Is the recorded battery voltage within 0.2 volt of the PID? Yes GO to G9 No GO to G5

G5 CHECK THE BCM (BODY CONTROL MODULE) POWER SUPPLY (TURN SIGNAL V.BATT)

Ignition OFF. Disconnect C2280A. The ignition is on. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2280A-4 Ground Is the voltage within 0.2 volts of the recorded battery voltage? Yes GO to G6 No REPAIR the high-resistance circuit.

G6 CHECK THE BCM (BODY CONTROL MODULE) POWER SUPPLY (V.BATT EXTERIOR LAMP RH)

Ignition OFF. Disconnect: BCM C2280C. The ignition is on. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2280C-15 Ground Is the voltage within 0.2 volts of the recorded battery voltage? Yes GO to G7 No REPAIR the high-resistance circuit.

G7 CHECK THE BCM (BODY CONTROL MODULE) FRONT SIGNAL GROUND CIRCUIT FOR HIGH RESISTANCE

Ignition OFF. Disconnect the battery negative cable. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2280A-16 Ground Is the resistance less than 3 ohms? Yes GO to G9 No REPAIR the high resistance circuit.

G8 CHECK THE BCM (BODY CONTROL MODULE) POWER AND SIGNAL GROUND CIRCUITS FOR HIGH RESISTANCE

Disconnect: BCM C2280B. Action: Click to display the connectors Positive lead Measurement/Action Negative lead C2280B-7 Ground C2280B-16 Ground Is the resistance less than 3 ohms? Yes GO to G9 No REPAIR the faulty circuit for high resistance.

G9 CHECK THE BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM 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 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 TSB applies to this concern, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunctional Electronic Modules, 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.

Diagnostic trouble code U3003:17, P1397:00

Normal Operation and Fault Symptoms

DTC Fault Trigger Conditions

Trouble Code	Description	Fault Trigger Conditions
U3003:17	Battery Voltage: Circuit Voltage Above Threshold	Continuous memory diagnostic trouble code that is set in the BCM when the BCM detects battery voltage above 16.7 volts (for more than 10 seconds) at the power supply input.
P1397:00	System Voltage Out of Self-Test Range: No Subtype Information	On-demand diagnostic trouble code that is set in the BCM when the BCM detects battery voltage above the threshold at the power supply input. Monitor the BCM diagnostic trouble code U3003:17.

Possible Sources

• Charging System Concern
• Battery
• BCM

PINPOINT TEST H: DTC U3003:17, P1397:00

NOTE: DTC U3003:17 may remain stored in the module due to previous battery charging or vehicle jump-start events.

H1 CHECK THE CHARGING SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS) STORED IN OTHER MODULES

The ignition is on. Using the diagnostic scan tool, perform a self-test of all modules. Retrieve continuous memory diagnostic trouble codes (CMDTC) from all modules. Are any high voltage diagnostic trouble codes (DTCs) recorded in more than one module? Yes CHECK the charging system condition. REFER TO: Charging System — 1.6 L EcoBoost (132 kW/180 L hp) — Sigma (414-00 Charging System - General Information, Diagnosis and Testing). REFER TO: Charging System — 1.6 L Duratec-16V Ti-VCT (88 kW/120 L hp) — Sigma (414-00 Charging System - General Information, Diagnosis and Testing). REFER TO: Charging System — 1.6 L EcoBoost (132 kW/180 L hp) — Sigma (414-00 Charging System - General Information, Diagnosis and Testing). No GO to H2

H2 CHECK THE BATTERY VOLTAGE

Turn off all interior/exterior lamps and accessories. Start the engine and run at approximately 2000 rpm for 3 minutes while monitoring the battery voltage. Does the battery voltage rise to 16.7 volts or higher? Yes CHECK the charging system condition. REFER TO: Charging System — 1.6 L EcoBoost (132 kW/180 L hp) — Sigma (414-00 Charging System - General Information, Diagnosis and Testing). REFER TO: Charging System — 1.6 L Duratec-16V Ti-VCT (88 kW/120 L hp) — Sigma (414-00 Charging System - General Information, Diagnosis and Testing). REFER TO: Charging System — 1.6 L EcoBoost (132 kW/180 L hp) — Sigma (414-00 Charging System - General Information, Diagnosis and Testing). No GO to H3

H3 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:17

Turn the engine off. The ignition is on. Using the scan tool, clear the Continuous Memory Diagnostic Trouble Codes (CMDTCs). Wait 10 seconds. Using a diagnostic scan tool, check the BCM continuous memory diagnostic trouble codes (CMDTCs). IS DTC U3003:17 STILL PRESENT? Yes GO to H4 No The system is currently operating correctly. The diagnostic trouble code may have been set previously during battery charging or when jump-starting the vehicle.

H4 CHECK THE BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM 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 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 TSB applies to this concern, INSTALL a new BCM. REFER TO: Body Control Module (BCM) (419-10 Multifunctional Electronic Modules, Removal and Installation). No The system is currently operating correctly. The trouble code may have been caused by module connections. REPAIR the root cause of any connector or pin problem.