Driver Door Lock Cylinder Switch Circuit
The body control module has detected a fault in the driver door lock cylinder switch circuit. This switch detects key rotation in the door lock and is used for keyless functions and the alarm system.
Affected components
- Door lock cylinder switch
- Body control module
- Door harness
Common causes
- High likelihood: Lock cylinder switch failed
- Medium likelihood: Door harness broken in door hinge area
Possible symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.