Control Module References

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Control Module	Repair Instructions	Diagnostic System Check	Schematics
Body Control Module	Refer to Body Control Module Replacement	-	Refer to Body Control System Schematics
Driver Information Center	Refer to DRIVER INFORMATION CENTER REPLACEMENT	Refer to DIAGNOSTIC SYSTEM CHECK - DRIVER INFORMATION SYSTEMS	Refer to DRIVER INFORMATION SYSTEM SCHEMATICS
Electronic Brake Control Module	Refer to ELECTRONIC BRAKE CONTROL MODULE (EBCM) REPLACEMENT (W/JL4) or ELECTRONIC BRAKE CONTROL MODULE (EBCM) REPLACEMENT (W/O JL4)	Refer to DIAGNOSTIC SYSTEM CHECK - ABS	Refer to ABS SCHEMATICS
Electronic Suspension Control Module	Refer to ELECTRONIC SUSPENSION CONTROL MODULE REPLACEMENT (TAHOE/YUKON/ESCALADE) or ELECTRONIC SUSPENSION CONTROL MODULE REPLACEMENT (ESCALADE EXT)	Refer to DIAGNOSTIC SYSTEM CHECK - REAL TIME DAMPING	Refer to SUSPENSION CONTROLS SCHEMATICS
HVAC Control Module	Refer to HVAC CONTROL MODULE REPLACEMENT	Refer to DIAGNOSTIC SYSTEM CHECK - HVAC SYSTEMS - AUTO	Refer to following for HVAC schematics: For AVALANCHE, see AIR CONDITIONING . For ESCALADE, see AIR CONDITIONING . For ESCALADE EXT, see AIR CONDITIONING . For SUBURBAN, see AIR CONDITIONING . For TAHOE, see AIR CONDITIONING . For YUKON, see AIR CONDITIONING . For YUKON XL, see AIR CONDITIONING .
Inflatable Restraint Sensing and Diagnostic Module	Refer to AIR BAG MODULES	Refer to SIR DIAGNOSTIC SYSTEM CHECK	Refer to For AVALANCHE, see SUPPLEMENTAL RESTRAINTS . For ESCALADE, see SUPPLEMENTAL RESTRAINTS . For ESCALADE EXT, see SUPPLEMENTAL RESTRAINTS . For SUBURBAN, see SUPPLEMENTAL RESTRAINTS . For TAHOE, see SUPPLEMENTAL RESTRAINTS . For YUKON, see SUPPLEMENTAL RESTRAINTS . For YUKON XL, see SUPPLEMENTAL RESTRAINTS .
Instrument Panel Cluster	Refer to INSTRUMENT PANEL CLUSTER (IPC) REPLACEMENT	Refer to DIAGNOSTIC SYSTEM CHECK - INSTRUMENT CLUSTER	Refer to INSTRUMENT CLUSTER SCHEMATICS
Memory Mirror Module	Refer to ACCESSORY AND OUTSIDE REAR VIEW MIRROR MODULE REPLACEMENT	Refer to DIAGNOSTIC SYSTEM CHECK - DOOR SYSTEMS	Refer to OUTSIDE MIRROR SCHEMATICS
Memory Seat Module	Refer to MEMORY SEAT CONTROL MODULE REPLACEMENT	Refer to DIAGNOSTIC SYSTEM CHECK - POWER SEAT SYSTEMS	Refer to MEMORY SEATS SCHEMATICS
Powertrain Control Module	Refer to POWERTRAIN CONTROL MODULE	Refer to DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS for 4.8L, 5.3L, and 6.0L Refer to DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS for 8.1L	For AVALANCHE, see ENGINE PERFORMANCE . For ESCALADE, see ENGINE PERFORMANCE . For ESCALADE EXT, see ENGINE PERFORMANCE . For SUBURBAN, see ENGINE PERFORMANCE . For TAHOE, see ENGINE PERFORMANCE . For YUKON, see ENGINE PERFORMANCE . For YUKON XL, see ENGINE PERFORMANCE .
Theft Deterrent Control Module	Refer to THEFT DETERRENT CONTROL MODULE REPLACEMENT	Refer to DIAGNOSTIC SYSTEM CHECK - THEFT DETERRENT	Refer to THEFT DETERRENT SYSTEM SCHEMATICS
Transfer Case Shift Control Module	For 2 speed automatic, refer to: TRANSFER CASE SHIFT CONTROL MODULE REPLACEMENT	For 2 speed automatic, refer to: DIAGNOSTIC SYSTEM CHECK - TRANSFER CASE	For 2 speed automatic, refer to: TRANSFER CASE CONTROL SCHEMATICS
Vehicle Interface Unit	Refer to ONSTAR VEHICLE INTERFACE UNIT (VIU) REPLACEMENT	Refer to DIAGNOSTIC SYSTEM CHECK - CELLULAR COMMUNICATION	Refer to ONSTAR SCHEMATICS