GM Service Manual Online
For 1990-2009 cars only

Control Module

Repair/Reprogramming Instructions

Diagnostic System Check

Schematics

Electronic Brake Control Module (EBCM)

    •  Electronic Brake Control Module Replacement in Antilock Brake System
    •  Electronic Brake Control Module Replacement in Air Antilock Brake System
    •  Diagnostic System Check - ABS in Antilock Brake System
    •  Diagnostic System Check - Air ABS in Air Antilock Brake System
    •  Antilock Brake System Schematics in Antilock Brake System
    •  Air Antilock Brake System Schematics in Air Antilock Brake System

Engine Control Module (ECU)

    •  Engine Control Module Replacement in Engine Controls - 6.6L (LB7)
    •  Engine Control Module Replacement in Engine Controls - 6.6L (LLY)
    •  Engine Control Module Replacement/Restore Fuel Rate Data in Engine Controls - 7.8L
    •  Powertrain Control Module Replacement in Engine Controls - 8.1L
    •  Diagnostic System Check - Engine Controls in Engine Controls - 6.6L (LB7)
    •  Diagnostic System Check - Engine Controls in Engine Controls - 6.6L (LLY)
    •  Diagnostic System Check - Engine Controls in Engine Controls - 7.8L
    •  Diagnostic System Check - Engine Controls in Engine Controls - 8.1L
    •  Engine Controls Schematics in Engine Controls - 6.6L (LB7)
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    •  Engine Controls Schematics in Engine Controls - 7.8L
    •  Engine Controls Schematics in Engine Controls - 8.1L

Fuel Injector Control Module (FICM)

Fuel Injector Control Module Replacement in Engine Controls

Diagnostic System Check - Engine Controls in Engine Controls

Engine Controls Schematics in Engine Controls

Inflatable Restraint Sensing and Diagnostic Module (SDM)

Inflatable Restraint Sensing and Diagnostic Module Replacement in SIR

Diagnostic System Check - SIR in SIR

SIR Schematics in SIR

Instrument Panel Cluster (IPC)

Instrument Cluster Replacement in Instrument Panel, Gages, and Console

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

Instrument Cluster Schematics in Instrument Panel, Gages, and Console

Multi-function Alarm Module (MAM) Chime Module

Multifunction Alarm Module Replacement in Instrument Panel, Gages, and Console

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

Instrument Cluster Schematics in Instrument Panel, Gages, and Console

Radio

Radio Replacement in Entertainment

Diagnostic System Check - Radio/Audio System in Entertainment

Radio/Audio System Schematics in Entertainment

Remote Control Door Lock Receiver (RCDLR)

Remote Control Door Lock Receiver Replacement in Keyless Entry

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Keyless Entry Schematics in Keyless Entry

Serial Data Gateway Module (SDGM)

Serial Data Gateway Module Replacement

Diagnostic Starting Point - Data Link Communications

Data Link Connector Schematics

Transmission Control Module (TCM)

Transmission Control Module Replacement in Automatic Transmission - Allison

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Automatic Transmission Controls Schematics in Automatic Transmission - Allison