Class 2 Serial Data Link
WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
The class 2 serial data link allows the following modules to communicate with each other:
- The body control module (BCM)
- The digital radio receiver (DRR)
- 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
- Vehicle communication interface module (VCIM)
The class 2 serial data link also allows a scan tool to communicate with the above modules for diagnostic and testing purposes.