DTC C1937 [BCM]SM2445897
DTC C1937 [BCM]

id0902f5839300

DTC C1937

Steering angle sensor offset failure
DETECTION CONDITION
• BCM lost the 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 the steering angle sensor initialization procedure. (See STEERING ANGLE SENSOR INITIALIZATION PROCEDURE.)
• TCS OFF light and DSC/TCS indicator light go out?
Yes
Go to the next step.
No
Inspect the steering angle sensor and related wiring harness.
(See STEERING ANGLE SENSOR INSPECTION.)
• If there is a malfunction:
― Repair or replace the malfunctioning part according to the inspection results, then go to the next step.
2
VERIFY TROUBLESHOOTING COMPLETED
• Clear the DTC from the BCM using the M-MDS. (See CLEARING DTC [BCM].)
• Perform the BCM DTC inspection using the M-MDS. (See DTC INSPECTION [BCM].)
• Is the same DTC present?
Yes
Replace the BCM.
(See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)
No
DTC troubleshooting completed.