BCM Scan Tool Data Definitions
WARNING: This page is about a different car, the 2007 Pontiac Montana SV6, 2007 Chevrolet Uplander, and 2007 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
The body control module (BCM) Scan Tool Data Definitions contains a brief description of all Lighting System related BCM parameters available on the scan tool.