GM Service Manual Online
For 1990-2009 cars only

Control Module

Repair/Reprogramming Instruction

Diagnostic System Check

Schematic

Body Control Module (BCM)

Diagnostic System Check - Vehicle in Vehicle DTC Information

Body Control System Schematics

Digital Radio Receiver (RPO U2K)

Digital Radio Receiver Replacement in Entertainment

Diagnostic System Check - Vehicle in Vehicle DTC Information

Radio/Audio System Schematics in Entertainment

DVD Player (RPO U32)

Video Disc Player Replacement in Entertainment

Diagnostic System Check - Vehicle in Vehicle DTC Information

Radio/Audio System Schematics in Entertainment

Electronic Brake Control Module (EBCM)

Electronic Brake Control Module Replacement in Antilock Brake System

Diagnostic System Check - Vehicle in Vehicle DTC Information

Antilock Brake System Schematics in Antilock Brake System

Electric Power Steering (EPS)

Power Steering Assist Motor Replacement in Power Steering Systems

Diagnostic System Check - Vehicle in Vehicle DTC Information

Power Steering Schematics in Power Steering Systems

HVAC Control Module (C60)

HVAC Control Module Replacement in HVAC Systems - Manual

Diagnostic System Check - Vehicle in Vehicle DTC Information

HVAC Schematics in HVAC Systems - Manual

HVAC Control Module (C68)

HVAC Control Module Replacement in HVAC Systems - Automatic

Diagnostic System Check - Vehicle in Vehicle DTC Information

HVAC Schematics in HVAC Systems - Automatic

Inflatable Restraint Sensing and Diagnostic Module (SDM)

Inflatable Restraint Sensing and Diagnostic Module Replacement in SIR

Diagnostic System Check - Vehicle in Vehicle DTC Information

SIR Schematics in SIR

Instrument Panel Cluster (IPC)

Instrument Cluster Replacement in Instrument Panel, Gages and Console

Diagnostic System Check - Vehicle in Vehicle DTC Information

Instrument Cluster Schematics in Instrument Panel, Gages and Console

Powertrain Control Module (PCM)

    •  Powertrain Control Module Replacement in Engine Controls - 2.2L (L61) or Powertrain Control Module Replacement in Engine Controls - 3.5L (LX9)
    •  Service Programming System (SPS) in Programming

Diagnostic System Check - Vehicle in Vehicle DTC Information

Engine Controls Schematics in Engine Controls - 2.2L (L61) or Engine Controls Schematics in Engine Controls - 3.5L (LX9)

Radio (RPO U1C, UC6, UN0 and UP0)

Radio Replacement in Entertainment

Diagnostic System Check - Vehicle in Vehicle DTC Information

Radio/Audio System Schematics in Entertainment

Vehicle Communication Interface Module (VCIM) (RPO UE1)

Communication Interface Module Replacement in Cellular Communications

Diagnostic System Check - Vehicle in Vehicle DTC Information

OnStar Schematics in Cellular Communications

Vehicle Theft Deterrent (VTD)

Theft Deterrent Module Replacement in Theft Deterrent

Diagnostic System Check - Vehicle in Vehicle DTC

Theft Deterrent System Schematics in Theft Deterrent