GM Service Manual Online
For 1990-2009 cars only

Control Module

Repair Instructions

Diagnostic System Check

Schematics

Automatic Transfer Case (ATC)

Transfer Case Shift Control Module Replacement in Transmission/Transaxle

Diagnostic System Check in Transmission/Transaxle

Transfer Case Control Schematics in Transmission/Transaxle

Body Control Module (BCM)

Body Control Module Replacement in Body Control System

Diagnostic System Check - Body Control System in Body Control System

Body Control System Schematics in Body Control System

Electronic Brake Control Module (EBCM)

Electronic Brake Control Module Replacement in Antilock Brake System

Diagnostic System Check in Antilock Brake System

Antilock Brake System Schematics in Antilock Brake System

Instrument Cluster (IPC)

Instrument Cluster Replacement in Instrument Panel, Gauges, and Console

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

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

Powertrain Control Module (PCM)/Vehicle Control Module (VCM)

Powertrain Control Module Replacement or VCM Replacement/Programming in Engine Controls

Powertrain On Board Diagnostic (OBD) System Check in Engine Controls

Engine Controls Schematics in Engine Controls

Inflatable Restraint Sensing and Diagnostic Module (SDM)

Inflatable Restraint Sensing and Diagnostic Module Replacement in Restraints

Diagnostic System Check - SIR in Restraints

SIR Schematics in Restraints

Suspension Control Module (SCM)

Electronic Suspension Control Module Replacement in Suspension

Diagnostic System Check in Suspension

Suspension Controls Schematics in Suspension

HVAC Control Module

Control Assembly Replacement - Auxiliary in HVAC

Diagnostic System Check in HVAC

HVAC Air Delivery/Temperature Control Schematics in HVAC