Rear Defrost Switch Circuit
The body control module has detected a fault in the rear window defroster switch circuit. The switch may be stuck or its signal does not reach the module — the rear defroster cannot be activated.
Affected components
- Rear defrost switch
- Body control module
Common causes
- High likelihood: Defrost switch failed
- Medium likelihood: Wiring or connector fault
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.