Control Module References

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.

Control Module	Repair Instructions/Programming	Diagnostic System Check/Starting Point	Schematic
Body Control Module (BCM)	Body Control Module Replacement	Diagnostic Starting Point - Body Control System	Body Control System Schematics
Digital Radio Receiver (DRR)	Receiver Replacement - Digital Radio in Entertainment	Diagnostic System Check - Radio/Audio System in Entertainment	Radio/Audio System Schematics in Entertainment
Electronic Brake Control Module (EBCM)	Electronic Brake Control Module Replacement in Antilock Brake System	Diagnostic System Check - ABS in Antilock Brake System	ABS Schematics in Antilock Brake System
Instrument Panel Cluster (IPC)	Instrument Panel Cluster (IPC) Replacement (Chevrolet) or Instrument Panel Cluster (IPC) Replacement (Pontiac) in Instrument Panel, Gages, and Console	Diagnostic System Check - Instrument Cluster in Instrument Panel, Gages, and Console	Instrument Cluster Schematics in Instrument Panel, Gages, and Console
Powertrain Control Module (PCM)	Powertrain Control Module (PCM) Replacement in Engine Controls - 2.2L (L61) and Service Programming System (SPS) in Programming	Diagnostic System Check - Engine Controls in Engine Controls - 2.2L	Engine Controls Schematics in Engine Controls - 2.2L.
Radio	Radio Replacement in Entertainment	Diagnostic System Check - Radio/Audio System in Entertainment	Radio/Audio System Schematics in Entertainment
Inflatable Restraint Sensing and Diagnostic Module (SDM)	Inflatable Restraint Sensing and Diagnostic Module Replacement in SIR	Diagnostic System Check - SIR in SIR	Refer to SIR Schematics in SIR
Vehicle Communication Interface Module (VCIM)	Communication Interface Module Replacement in Cellular Communications	Diagnostic System Check - Cellular Communication in Cellular Communications	OnStar Schematics in Cellular Communications