DTC Descriptor

WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic procedure supports the following DTC:

DTC B2645 03: Ambient Light Sensor Circuit Below Threshold
DTC B2645 07: Ambient Light Sensor Circuit Above Threshold