Fail-Safe Table

Precautions: Precautions for Diagnosing Trouble · Precautions for Control Systems · General safety (00)

When DTC is detected, BCM enters fail-safe mode as long as malfunction continues to exist but that mode is canceled when BCM recovers normal condition.

DTC	DTC name	Fail-safe operation
B1120	BCM Internal Defect	—
B1127	Driving Mode Switch Circuit	BCM controls driving mode with AUTO mode.
B1133	Battery Voltage too High	—
B1141	Outside Air Temperature (Ambient Temperature) Sensor Circuit Open	BCM outputs outside air temperature –40°C (–40°F).
B1142	Outside Air Temperature (Ambient Temperature) Sensor Circuit Short to Ground	BCM outputs outside air temperature 87.5°C (189.5°F).
B1145	A/C Evaporator Temperature Sensor Circuit High	BCM outputs evaporator temperature –40°C (–40°F).
B1146	A/C Evaporator Temperature Sensor Circuit Low	BCM outputs evaporator temperature 60 °C (140 °F).
B1150	Air Bag Communication Circuit Malfunction	—
B1157	Air Bag Deployment Signal Input	BCM stops lock operation at power door lock switch until ignition is set to “OFF”.
B115A	Driving Modes Mismatched	BCM controls driving mode with AUTO mode.
B1670	Rain / Light Sensor Malfunction	Auto-on headlight system: BCM controls based on the signal before the failure or at normal condition. Rain-sensing wiper system: BCM controls based on the signal before the failure or at manual intermittent wiper condition.
B1680	CAN Invalid Data from ECM	BCM stops vehicle dynamics synthetic control.
B1682	CAN Invalid Data from 4WD Control Module	BCM stops vehicle dynamics synthetic control.
B1683	Yaw Rate Information Mismatched	BCM stops vehicle dynamics synthetic control.
B1685	CAN Invalid Data from ESP^® Control Module	BCM stops vehicle dynamics synthetic control.
B1687	CAN Invalid Data from Lateral G Sensor	BCM stops vehicle dynamics synthetic control.
B1688	CAN Invalid Data from Yaw Rate Sensor	BCM stops vehicle dynamics synthetic control.
B1689	CAN Invalid Data from Wheel Speed Sensor	BCM stops vehicle dynamics synthetic control.
B1690	Steering Angle Sensor Malfunction	BCM stops vehicle dynamics synthetic control.
B1691	CAN Invalid Data from Steering Angle Sensor	BCM stops vehicle dynamics synthetic control.
B1692	CAN Invalid Data from Steering Angle Sensor	BCM stops vehicle dynamics synthetic control.
B1695	CAN Invalid Data from ESP^® Control Module	BCM stops vehicle dynamics synthetic control.
B1696	CAN Invalid Data from ESP^® Control Module	BCM stops vehicle dynamics synthetic control.
U0073	Control Module Communication Bus Off	—
U0100	Lost Communication With ECM	BCM performs controls with default value.
U0101	Lost Communication With TCM	BCM performs controls with default value.
U0114	Lost Communication With 4-Wheel Drive Control Module	BCM performs controls with default value.
U0121	Lost Communication With ABS / ESP^® Control Module	BCM performs controls with default value.
U0126	Lost Communication With Steering Angle Sensor Module	BCM performs controls with default value.
U0131	Lost Communication With Power Steering Control Module	BCM performs controls with default value.
U0141	Lost Communication With Keyless Start Control Module	BCM performs controls with default value.
U0151	Lost Communication With Restraints Control Module	BCM performs controls with default value.
U0155	Lost Communication With Instrument Panel Cluster (IPC) Control Module	BCM performs controls with default value.
U0164	Lost Communication With HVAC Control Module	BCM performs controls with default value.
U0231	Lost Communication With Rain Sensing Module	BCM performs controls with default value.
U1082	Lost Communication With ENG A-STOP Control Module	BCM performs controls with default value.