Conditions for Setting the DTC
WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- The BCM detects a short to ground in the DRL ambient light sensor signal circuit.
- The ambient light sensor is internally shorted.
- The condition above must be present for more than 0.3 seconds.