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

CDX (if equipped with UQ3)

Refer to Remote CD Changer Replacement in Entertainment

Refer to Diagnostic System Check - Radio/Audio System in Entertainment

Refer to Radio/Audio System Schematics in Entertainment

DIC

Refer to Roof Console Replacement in Interior Trim

Refer to Diagnostic System Check - Driver Information Systems in Instrument Panel, Gauges and Console

Refer to Driver Information System Schematics in Instrument Panel, Gauges and Console

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 in Engine Controls (3.4) or Refer to Powertrain Control Module Replacement/Programming in Engine Controls (3.8)

Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls (3.4) or Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls (3.8)

Refer to Engine Controls Schematics in Engine Controls (3.4) or Refer to Engine Controls Schematics in Engine Controls (3.8)

Radio

Refer to Radio Replacement in Entertainment

Refer to Diagnostic System Check - Radio/Audio System in Entertainment

Refer to Radio/Audio System Schematics in Entertainment

SDM

Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement (AK5) or (AK7) in SIR

Refer to Diagnostic System Check - SIR in SIR

Refer to SIR Schematics in SIR