Class 2 Serial Data Link
WARNING: This page is about a different car, the 2002 Pontiac Aztek and 2002 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
The class 2 serial data link allows these modules to communicate data with each other:
- Body Control Module (BCM)
- Driver Information Center (DIC)
- Electronic Brake Control Module (EBCM)
- Heads Up Display Module (HUD)
- Instrument Panel Cluster (IPC)
- PASS-Key® III (PK3)
- Powertrain Control Module (PCM)
- Radio
- Inflatable Restraint Sensing Diagnostic Module (SDM)
- Devices on the auxiliary power drop connector
In addition, the class 2 serial data link allows a scan tool to communicate with these modules for diagnostic and testing purposes.