SGCM Reprogramming
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
If the starter generator control module (SGCM) needs to be reprogrammed, refer to Service Programming System (SPS) .