Class 2 Serial Data Line
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. 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 ring/star configuration. The following modules communicate on the class 2 serial data line:
- The body control module (BCM)
- The electronic brake control module (EBCM)
- The inflatable restraint sensing and diagnostic module (SDM)
- The instrument panel cluster (IPC)
- The powertrain control module (PCM)
- The radio
- The remote control door lock receiver (RCDLR)
- The vehicle communication interface module (VCIM)
The class 2 serial data circuits are bussed together via the DLC connector and SP200. Refer to Data Link Communications Component Views for the location of the DLC and SP200.