Control Module References

WARNING: This page is about a different car, the 2004 Saturn Ion Red Line, 2004 Saturn Ion 3, 2004 Saturn Ion 2, and 2004 Saturn Ion 1. However, it is still accessible from the selected car via links, so may be relevant.

Control Module	Repair/Reprogramming Instructions	Diagnostic System Check	Schematic
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 in Antilock Brake System andService Programming System (SPS) in Programming	Diagnostic System Check - ABS in Antilock Brake System	ABS Schematics in Antilock Brake System
Instrument Panel Cluster (IPC)	Instrument Panel Cluster (IPC) Replacement in Instrument Panel, Gages and Console and Service Programming System (SPS) in Programming	Diagnostic System Check - Instrument Cluster in Instrument Panel, Gages and Console	Instrument Panel Cluster (IPC) Replacement in Instrument Panel, Gages and Console
Engine Control Module (ECM)	Engine Control Module (ECM) Replacement in Engine Controls - 2.2 L (L61) and Service Programming System (SPS) in Programming	Diagnostic System Check - Engine Controls in Engine Controls - 2.2 L (L61)	Engine Controls Schematics in Engine Controls - 2.2 L (L61)
Inflatable Restraint Sensing and Diagnostic Module (SDM)	Inflatable Restraint Sensing and Diagnostic Module Replacement in SIR and Service Programming System (SPS) in Programming	Diagnostic System Check - SIR in SIR	SIR Schematics in SIR
Electric Power Steering (EPS)	Steering Column Replacement in Steering Wheel and Column and Service Programming System (SPS) in Programming	Diagnostic System Check - Power Steering System in Power Steering System	Power Steering System Schematics in Power Steering System
Vehicle Communication Interface Module (VCIM)	Communication Interface Module Replacement in Cellular Communications and Service Programming System (SPS) in Programming	Diagnostic System Check - Cellular Communication in Cellular Communications	OnStar Schematics in Cellular Communications