Control unit that regulates the power of the daytime running lights.
LOCATION
The location may vary by vehicle manufacturer and model, but in most cars, it is located in the engine management system.
COMMON FAULT SYMPTOMS
- Power supply problems
- Failure in the internal electronics
- Sensor failure
- Voltage problems
- Physical damage
- Overheating
- Aging
POSSIBLE FAULT SYMPTOMS
- Starting problems
- Warning lights on dashboard
