Daytime Running Lamps

NOTE:

Before performing the following tests, determine whether the clearance (also known as position or park) lamps operate. If the clearance lamps are also ineffective, diagnose and repair that problem before attempting to repair the Daytime Running Lamps.

NOTE:

The DRLs are disabled when the turn signals are active.

CONDITION	POSSIBLE CAUSES	CORRECTION
DAYTIME RUNNING LAMPS WILL NOT ILLUMINATE	1. Incorrect BCM programming.	1. Use the IPC to check and configure BCM if required.
	3. Parking brake applied.	3. Release the parking brake.
	4. Engine not running.	4. Start the engine.
	5. Ineffective BCM inputs or outputs.	5. Use a diagnostic scan tool to test the BCM inputs and outputs. Refer to the appropriate diagnostic information.