Control Module References

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Control Module	Repair/Reprogramming Instructions	Diagnostic System Check	Schematics
Audio Amplifier	Amplifier Replacement in Entertainment	Diagnostic System Check - Entertainment System in Entertainment	Radio/Audio System Schematics (Base/Uplevel Radio - UQ3/UQ5)Radio/Audio System Schematics (Premium Radio - UQ7 w/o Y91)Radio/Audio System Schematics (Luxury Radio - UQ7 w/Y91) in Entertainment
Body Control Module	Body Control Module Replacement Body Control Module (BCM) Programming/RPO Configuration	-	Body Control System Schematics
Digital Radio Receiver	Receiver Replacement - Digital Radio in Entertainment	Diagnostic System Check - Entertainment System in Entertainment	Radio/Audio System Schematics (Base/Uplevel Radio - UQ3/UQ5)Radio/Audio System Schematics (Premium Radio - UQ7 w/o Y91)Radio/Audio System Schematics (Luxury Radio - UQ7 w/Y91) in Entertainment
Driver Door Module	Switch Replacement - Door Lock and Side Window - Driver in Doors	Diagnostic System Check - Door Systems in Doors	Door Control Module Schematics in Doors
Driver Seat Module	Memory Seat Control Module Replacement in Seats	Diagnostic System Check - Power Seat Systems in Seats	Driver Seat Schematics in Seats
Electro Hydraulic Power Steering Module	Power Steering Pump Replacement (4.3L)Power Steering Pump Replacement (4.8L, 5.3L and 6.0L)Power Steering Pump Replacement (8.1L)Power Steering Pump Replacement (6.6L Diesel)Power Steering Pump Replacement (Parallel Hybrid Truck) in Power Steering System	Diagnostic System Check - Power Steering System in Power Steering System	Power Steering System Schematics in Power Steering System
Electronic Brake Control Module	Electronic Brake Control Module Replacement in Antilock Brake System	Diagnostic System Check - ABS in Antilock Brake System	ABS Schematics in Antilock Brake System
Energy Storage Control Module	Energy Storage Control Module Replacement (5.3L Engine w/RPO HP2) in Engine Electrical	Diagnostic System Check - Engine Electrical in Engine Electrical	Starting and Charging Schematics (Except HP2)Starting and Charging Schematics (HP2) in Engine Electrical
Front Passenger Door Module	Switch Replacement - Door Lock and Side Window - Passenger in Doors	Diagnostic System Check - Door Systems in Doors	Door Control Module Schematics in Doors
Fuel Injector Control Module	Fuel Injection Control Module Replacement in Engine Controls - 6.6L (LB7) Fuel Injection Control Module Replacement in Engine Controls - 6.6L (LLY)	Diagnostic System Check - Engine Controls in Engine Controls - 6.6L (LB7) Diagnostic System Check - Engine Controls in Engine Controls - 6.6L (LLY)	Engine Controls Schematics in Engine Controls - 6.6L (LB7) Engine Controls Schematics in Engine Controls - 6.6L (LLY)
Glow Plug Control Module	Glow Plug Controller Replacement in Engine Controls - 6.6L (LLY)	Diagnostic System Check - Engine Controls in Engine Controls - 6.6L (LB7) Diagnostic System Check - Engine Controls in Engine Controls - 6.6L (LLY)	Engine Controls Schematics in Engine Controls - 6.6L (LB7) Engine Controls Schematics in Engine Controls - 6.6L (LLY)
HVAC Control Module	HVAC Control Module Replacement in HVAC Systems - Manual HVAC Control Module Replacement in HVAC Systems - Automatic	Diagnostic System Check - HVAC Systems - Manual in HVAC Systems - Manual Diagnostic System Check - HVAC Systems - Automatic in HVAC Systems - Automatic	HVAC Schematics in HVAC Systems - Manual HVAC Schematics in HVAC Systems - Automatic
Hybrid Control Module	Hybrid Control Module (HCM) Replacement (5.3L Engine w/RPO HP2) in Engine Electrical	Diagnostic System Check - Engine Electrical in Engine Electrical	Starting and Charging Schematics (Except HP2)Starting and Charging Schematics (HP2) in Engine Electrical
Inflatable Restraint Sensing and Diagnostic Module	Inflatable Restraint Sensing and Diagnostic Module Replacement in SIR	Diagnostic System Check - SIR in SIR	SIR Schematics in SIR
Instrument Panel Cluster	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/Engine Control Module	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 Engine Control Module (ECM) Replacement in Engine Controls - 6.6L (LB7) Engine Control Module (ECM) Replacement in Engine Controls - 6.6L (LLY) Powertrain Control Module (PCM) Replacement in Engine Controls - 8.1L, and 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 Diagnostic System Check - Engine Controls in Engine Controls - 6.6L (LB7) Diagnostic System Check - Engine Controls in Engine Controls - 6.6L (LLY) Diagnostic System Check - Engine Controls in Engine Controls - 8.1L	Engine Controls Schematics in Engine Controls - 4.3L Engine Controls Schematics in Engine Controls - 4.8L, 5.3L, and 6.0L Engine Controls Schematics in Engine Controls - 6.6L (LB7) Engine Controls Schematics in Engine Controls - 6.6L (LLY) Engine Controls Schematics in Engine Controls - 8.1L
Radio	Radio Replacement in Entertainment	Diagnostic System Check - Entertainment System in Entertainment	Radio/Audio System Schematics (Base/Uplevel Radio - UQ3/UQ5)Radio/Audio System Schematics (Premium Radio - UQ7 w/o Y91)Radio/Audio System Schematics (Luxury Radio - UQ7 w/Y91) in Entertainment
Rear Seat Audio Controller	Audio Control Replacement - Rear Seat in Entertainment	Diagnostic System Check - Entertainment System in Entertainment	Radio/Audio System Schematics (Base/Uplevel Radio - UQ3/UQ5)Radio/Audio System Schematics (Premium Radio - UQ7 w/o Y91)Radio/Audio System Schematics (Luxury Radio - UQ7 w/Y91) in Entertainment
Rear Seat Entertainment Assembly	DVD Player Replacement (2nd Row) in Entertainment	Diagnostic System Check - Entertainment System in Entertainment	Video System Schematics in Entertainment
Rear Wheel Steering Control Module	Rear Wheel Steering Control Module Replacement in Rear Wheel Steering	Diagnostic System Check - Rear Wheel Steering in Rear Wheel Steering	Rear Wheel Steering Schematics in Rear Wheel Steering
Remote Playback Device - CD Player	Remote CD Player Replacement in Entertainment	Diagnostic System Check - Entertainment System in Entertainment	Radio/Audio System Schematics (Base/Uplevel Radio - UQ3/UQ5)Radio/Audio System Schematics (Premium Radio - UQ7 w/o Y91)Radio/Audio System Schematics (Luxury Radio - UQ7 w/Y91) in Entertainment
Starter/Generator Control Module	Starter/Generator Control Module (SGCM) Replacement (5.3L Engine w/RPO HP2) in Engine Electrical	Diagnostic System Check - Engine Electrical in Engine Electrical	Starting and Charging Schematics (Except HP2)Starting and Charging Schematics (HP2) in Engine Electrical
Transfer Case Shift Control Module	Transfer Case Shift Control Module Replacement in Transfer Case - NVG 246-NP8 Transfer Case Shift Control Module Replacement in Transfer Case - NVG 263-NP1	Diagnostic System Check - Transfer Case in Transfer Case - NVG 246-NP8 Diagnostic System Check - Transfer Case in Transfer Case - NVG 263-NP1	Transfer Case Control Schematics in Transfer Case - NVG 246-NP8 Transfer Case Control Schematics in Transfer Case - NVG 263-NP1
Transmission Control Module	Transmission Control Module (TCM) Replacement , and Transmission Control Module Reprogramming Procedures in Automatic Transmission - Allison	Diagnostic System Check - Automatic Transmission in Automatic Transmission - Allison	Automatic Transmission Controls Schematics in Automatic Transmission - Allison
Vehicle Communication Interface Module	Communication Interface Module Replacement in Cellular Communication	Diagnostic System Check - Cellular Communication in Cellular Communication	OnStar Schematics in Cellular Communication