GM Service Manual Online
For 1990-2009 cars only

Control Module

Repair Instructions

Diagnostic System Check

Schematic

BCM

Refer to Body Control Module Replacement in Body Control System

Refer to Diagnostic System Check - Body Control System in Body Control System

Refer to Body Control System Schematics in Body Control System

CD Player (if equipped with WX9)

N/A

N/A

Refer to Radio/Audio System Schematics in Entertainment

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

IPC

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

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

Refer to Instrument Cluster: Analog Schematics in Instrument Panel, Gauges and Console

PCM

Refer to Powertrain Control Module Replacement/Programming 3.1 L or Powertrain Control Module Replacement/Programming 3.8 L in Engine Controls

Refer to Powertrain On Board Diagnostic (OBD) System Check 3.1 L or Powertrain On Board Diagnostic (OBD) System Check 3.8 L in Engine Controls

Refer to Engine Controls Schematics 3.1 L or Engine Controls Schematics 3.8 L in Engine Controls

Radio

Refer to Radio Replacement in Entertainment

N/A

Refer to Radio/Audio System Schematics in Entertainment

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