Class 2 Serial Data Line
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The class 2 serial data line on this vehicle is a star configuration. The following modules communicate on the class 2 serial data line:
- The body control module (BCM)
- The driver information center (DIC)
- The electronic brake control module (EBCM)
- The HVAC control module
- The inflatable restraint sensing and diagnostic module (SDM)
- The instrument panel cluster (IPC)
- The memory seat module (MSM) w/A45
- The powertrain control module (PCM)
- The rear wheel steering control module w/NYS
- The transfer case shift control module w/4WD
- The transmission control module (TCM) w/Allison transmission
- The vehicle interface unit (VIU) w/UX2