Body Control Module (BCM)

Refer to Body Control Module Replacement

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Refer to Body Control System Schematics

Driver Door Module (DDM)

Refer to Door Control Module Replacement - Front in Doors

Refer to Diagnostic System Check - Door Systems in Doors

Refer to Door Control Module Schematics in Doors

Electronic Brake Control Module (EBCM)

Refer to Electronic Brake Control Module Replacement in Antilock Brake System

Refer to Diagnostic System Check - ABS in Antilock Brake System

Refer to Antilock Brake System Schematics in Antilock Brake System

Inflatable Restraint Sensing and Diagnostic Module (SDM)

Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement in SIR

Refer to Diagnostic System Check - SIR in SIR

Refer to SIR Schematics in SIR

Instrument Panel Cluster (IPC)

Refer to Instrument Cluster Replacement in Instrument Panel, Gages and Console

Refer to Diagnostic System Check - Instrument Cluster in Instrument Panel, Gages and Console

Refer to Instrument Cluster Schematics in Instrument Panel, Gages and Console

Instrument Panel Integration Module (IPM)

Refer to HVAC Control Module Replacement in HVAC - Automatic

Refer to Diagnostic System Check - HVAC Systems - Automatic in HVAC - Automatic

Refer to HVAC Schematics in HVAC - Automatic

Memory Seat Module (MSM)

Refer to Memory Seat Control Module Replacement in Seats

Refer to Diagnostic System Check - Power Seat Systems in Seats

Refer to Driver Seat Schematics in Seats

Powertrain Control Module (PCM)

Refer to Powertrain Control Module Replacement in Engine Controls - 3.8 L

Refer to Diagnostic System Check - Engine Controls in Engine Controls - 3.8 L

Refer to Engine Controls Schematics in Engine Controls - 3.8 L

Remote Control Door Lock Receiver (RCDLR)

Refer to Remote Control Door Lock Receiver Replacement in Keyless Entry

Refer to Diagnostic System Check - Remote Keyless Entry in Keyless Entry

Refer to Keyless Entry Schematics in Keyless Entry

Theft Deterrent Control Module

Refer to Ignition and Start Switch Replacement in Steering Wheel and Column

Refer to Diagnostic System Check - Theft Deterrent in Theft Deterrent

Refer to Theft Deterrent System Schematics in Theft Deterrent

Vehicle Interface Unit (VIU)

Refer to OnStar Vehicle Interface Unit Replacement in Cellular Communication

Refer to Diagnostic System Check - Cellular Communication in Cellular Communication

Refer to OnStar Schematics in Cellular Communication