Conditions for Setting the DTC
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
- The BCM detects a low voltage level (an open or a short to ground) in the L DRL relay control circuit.
- The BCM can only test for this condition with the L DRL relay de-energized.
- This condition must be present for 2 seconds.