Circuit Description
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.
Modules connected to the high speed GMLAN serial data circuits monitor for serial data communications on the high speed GMLAN network during normal vehicle operation. Operating information and commands are exchanged among the modules.
The scan tool communicates with the following modules via the high speed GMLAN:
- Energy Storage Control Module (ESCM)
- Starter/Generator Control Module (SGCM)
- Electro-Hydraulic Power Steering (EHPS) Module