Class 2 Serial Data Link
WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. 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 and share data with each other:
- Auxiliary Power Drop Connector
- Body Control Module (BCM)
- Digital Radio Receiver (U2K or U2L)
- Driver Information Center (DIC)
- Electronic Brake Control Module (EBCM)
- Instrument Panel Cluster (IPC)
- OnStar Module (UE1)
- Powertrain Control Module (PCM)
- Radio
- Inflatable Restraint Sensing and Diagnostic Module (SDM)
The class 2 serial data link allows a scan tool to communicate with the above modules for diagnostic and testing purposes.