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 one of the following conditions:
- A short to voltage in the 12-volt reference circuit of the IP dimmer switch.
- A short to voltage in the dimming circuit of the IP dimmer switch.
- An open in the low reference circuit of the IP dimmer switch.
The condition is present for longer than 1.0 second.