B1689
Autolamp Delay Circuit Failure
Severity
✅ LowCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)
Symptoms
- No headlight turn-off delay
- Headlights do not turn on automatically
- Incorrect operation of the automatic lighting system
Causes
- Open or short circuit in wiring harness
- Faulty delay relay
- Problems with the lighting control unit
- Contact corrosion
How to Fix
- Check wiring harness for damage
- Check delay relay
- Diagnose the lighting control unit
- Clean or replace corroded contacts