Fail-Safe Table

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

FAIL-SAFE CHART

DTC	DTC name	Fail-safe operation
B1120	BCM Internal Defect	-
B1132	5 V System Voltage too Low	BCM stops 5 V power supply of "G05-8" terminal.
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).
B1157	Air Bag Deployment Signal Input	BCM stops lock operation at power door lock switch until ignition mode of keyless push start system is turned OFF.
B1670	Rain/Light Sensor Malfunction	Refer to LIGHTING SYSTEM DIAGNOSIS FUNCTION and RAIN-SENSING WIPER DIAGNOSIS FUNCTION .
B1680	CAN Invalid Data from ECM	BCM stops vehicle dynamics synthetic control.
B1681	CAN Invalid Data from TCM	-
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.
B1684	CAN Invalid Data from P/S Control Module	BCM stops vehicle dynamics synthetic control.
B1685	CAN Invalid Data from ESP® Control Module	-
B1686	CAN Invalid Data from Longitudinal G Sensor	-
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.
B1693	CAN Invalid Data from P/S Control Module	BCM stops vehicle dynamics synthetic control.
B1694	CAN Invalid Data from P/S Control Module	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.
B1901	Internal Control Module Memory Check Sum Error	-
B1902	Control Module Programming Error	-
U0073	Control Module Communication Bus Off	-
U0100	Lost Communication with ECM	BCM stops vehicle dynamics synthetic control.
U0101	Lost Communication with TCM	BCM controls with default value.
U0114	Lost Communication with 4-Wheel Drive Control Module	BCM stops vehicle dynamics synthetic control.
U0121	Lost Communication with ABS/ESP® Control Module	BCM stops vehicle dynamics synthetic control.
U0126	Lost Communication with Steering Angle Sensor	BCM stops vehicle dynamics synthetic control.
U0131	Lost Communication with Power Steering Control Module	BCM stops vehicle dynamics synthetic control.
U0141	Lost Communication with Body Control Module "keyless start"	BCM controls with default value.
U0151	Lost Communication with Restraints Control Module	BCM controls with default value.
U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module	BCM controls with default value.
U0164	Lost Communication with HVAC Control Module	BCM controls with default value.
U0231	Lost Communication with Rain Sensing Module	BCM controls with default value.