DTC C1937 [BCM]


id0902f5839300

DTC C1937

Steering wheel angle sensor offset failure

DETECTION CONDITION
BCM lost steering angle initialization position
POSSIBLE CAUSE
•  Steering wheel is operated suddenly during sleep control
•  Steering angle sensor malfunction
•  BCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
PERFORM STEERING ANGLE SENSOR INITIALIZATION
•  Perform steering angle sensor initialization.
•  TCS OFF light and DSC indicator light go out?
Yes
Inspect the steering angle sensor and related wiring harness.
•  Repair ore replace if necessary.
Go to the next step.
No
Go to the next step.
2
VERIFY TROUBLESHOOTING COMPLETED
•  Make sure to reconnect all disconnected connectors.
•  Clear the DTC from the BCM memory using the M-MDS.
•  Turn the ignition switch to LOCK position then ON position.
•  Is the same DTC present?
Yes
Replace the BCM.
No
DTC troubleshooting completed.