Headlamp Switch Circuit
The body control module has detected an implausible state at the headlamp switch — for example simultaneous low and high beam request, or no signal at all. Lighting functions may be erratic.
Affected components
- Headlamp switch
- Body control module
Common causes
- High likelihood: Headlamp switch worn or failed
- Medium likelihood: Wiring or connector fault
Possible symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Related codes
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.