Control Module References

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. 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) or Radio/Audio System Schematics (Radio - UQ7 w/o Y91 - non Class 2 Amp) or Radio/Audio System Schematics (Lux Radio - UQ7 w/ Y91 - Class 2 Amp) in Entertainment
Body Control Module	Body Control Module Replacement and 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	Crankshaft and Bearings Removal 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
Electronic Brake Control Module	Electronic Brake Control Module Replacement (w/ JL4) or Electronic Brake Control Module Replacement (w/o JL4) in Antilock Brake System	Diagnostic System Check - ABS (W/O JL4) or Diagnostic System Check - ABS (W/JL4) in Antilock Brake System	ABS Schematics in Antilock Brake System
Electronic Suspension Control Module	Electronic Suspension Control Module Replacement (Tahoe/Yukon/Escalade) or Electronic Suspension Control Module Replacement (Escalade EXT) in Electronic Suspension Control (ESC)	Diagnostic System Check - Electronic Suspension Control in Electronic Suspension Control (ESC)	Suspension Controls Schematics in Electronic Suspension Control (ESC)
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
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
HVAC Control Module - Rear Auxiliary	HVAC Control Assembly Replacement - Rear Auxiliary in HVAC Systems - Manual HVAC Control Module Replacement - Auxiliary 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
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 Control Module	Powertrain Control Module (PCM) Replacement in Engine Controls - 4.8L, 5.3L, and 6.0L And Powertrain Control Module (PCM) Replacement in Engine Controls - 8.1L Service Programming System (SPS) in Programming	Diagnostic System Check - Engine Controls in Engine Controls - 4.8L, 5.3L, and 6.0L Diagnostic System Check - Engine Controls in Engine Controls - 8.1L	Engine Controls Schematics in Engine Controls - 4.8L, 5.3L, and 6.0L 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) or Radio/Audio System Schematics (Radio - UQ7 w/o Y91 - non Class 2 Amp) or Radio/Audio System Schematics (Lux Radio - UQ7 w/ Y91 - Class 2 Amp) in Entertainment
Rear Seat Audio	Audio Control Replacement - Rear Seat in Entertainment	Diagnostic System Check - Entertainment System in Entertainment	Radio/Audio System Schematics (Base/Uplevel Radio - UQ3/UQ5) or Radio/Audio System Schematics (Radio - UQ7 w/o Y91 - non Class 2 Amp) or Radio/Audio System Schematics (Lux Radio - UQ7 w/ Y91 - Class 2 Amp) in Entertainment
Rear Seat Entertainment Assembly	DVD Player Replacement (2nd Row) or DVD Player Replacement (3rd Row) in Entertainment	Diagnostic System Check - Entertainment System in Entertainment	Crankshaft and Bearings Removal 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 CD Player	Remote CD Player Replacement in Entertainment	Diagnostic System Check - Entertainment System in Entertainment	Radio/Audio System Schematics (Base/Uplevel Radio - UQ3/UQ5) or Radio/Audio System Schematics (Radio - UQ7 w/o Y91 - non Class 2 Amp) or Radio/Audio System Schematics (Lux Radio - UQ7 w/ Y91 - Class 2 Amp) in Entertainment
Theft Deterrent Control Module	Theft Deterrent Control Module Replacement andProgramming Theft Deterrent System Components in Theft Deterrent - Immobilizer	Diagnostic System Check - Theft Deterrent in Theft Deterrent - Immobilizer	Theft Deterrent System Schematics in Theft Deterrent - Immobilizer
Transfer Case Shift Control Module	Transfer Case Shift Control Module Replacement and Transfer Case Control Module Reprogramming in Transfer Case - BW 4482-NR4 Transfer Case Shift Control Module Replacement and Transfer Case Control Module Reprogramming in Transfer Case - NVG 246-NP8	Diagnostic System Check - Transfer Case in Transfer Case - BW 4482-NR4 Diagnostic System Check - Transfer Case in Transfer Case - NVG 246-NP8	Transfer Case Control Schematics in Transfer Case - BW 4482-NR4 Transfer Case Control Schematics in Transfer Case - NVG 246-NP8
Vehicle Communication Interface Module	Communication Interface Module Replacement in Cellular Communications	Diagnostic System Check - Cellular Communication in Cellular Communications	OnStar Schematics in Cellular Communications