Conditions for Setting the DTC
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- The BCM detects a short to ground or an open in the control circuit of the headlamp relay coil or the low beam headlamp control circuit relay when the BCM is not energizing the headlamp relay.
- The condition is present for more than 3 ms.