Control Module References

Control Module	Repair/Programming Instructions	Diagnostic System Check/Starting Point	Schematics
Body Control Module (BCM)	Body Control Module Replacement Body Control Module (BCM) Programming/RPO Configuration	Diagnostic Starting Point - Body Control System	Body Control System Schematics
Electronic Brake Control Module (EBCM)	Electronic Brake Control Module Replacement (w/JL4)Electronic Brake Control Module Replacement (w/o JL4) in Anti-Lock Brake System	Diagnostic System Check - ABS (W/O JL4) in Anti-Lock Brake System	ABS Schematics in Anti-Lock Brake System
Inflatable Restraint Sensing and Diagnostic Module (SDM)	Inflatable Restraint Sensing and Diagnostic Module Replacement in SIR	Diagnostic System Check - SIR in SIR	SIR Schematics in SIR
Instrument Panel Cluster (IPC)	Instrument Panel Cluster (IPC) Replacement 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 - 4.3L Powertrain Control Module (PCM) Replacement in Engine Controls - 4.8L, 5.3L, and 6.0L Service Programming System (SPS) in Programming	Diagnostic System Check - Engine Controls in Engine Controls - 4.3L Diagnostic System Check - Engine Controls in Engine Controls - 4.8L, 5.3L, and 6.0L	Engine Controls Schematics in Engine Controls - 4.3L Engine Controls Schematics in Engine Controls - 4.8L, 5.3L, and 6.0L
Radio	Radio Replacement in Entertainment Service Programming System (SPS) in Programming	Diagnostic System Check - Radio/Audio System in Entertainment	Radio/Audio System Schematics in Entertainment
Remote Control Door Lock Receiver (RCDLR)	Remote Control Door Lock Receiver Replacement in Keyless Entry	Diagnostic System Check - Remote Keyless Entry in Keyless Entry	Keyless Entry Schematics in Keyless Entry
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