GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Tahoe - 4WD 🢒 Body and Accessories 🢒 Data Link Communications 🢒 Control Module References

Control Module

Repair Instructions

Diagnostic System Check

Schematics

ATC

Automatic Transfer Case
    • Refer to Transfer Case Shift Control Module Replacement Two Speed Automatic
    • Refer to Transfer Case Shift Control Module Replacement Selectable

in Automatic Transfer Case
    • Refer to Diagnostic System Check - Transfer Case Two Speed Automatic
    • Refer to Diagnostic System Check - Transfer Case Two Speed Manual
    • Refer to Diagnostic System Check - Transfer Case Selectable

in Automatic Transfer Case
    • Refer to Transfer Case Control Schematics Two Speed Automatic
    • Refer to Transfer Case Control Schematics Two Speed Manual
    • Refer to Transfer Case Control Schematics Selectable

in Automatic Transfer Case

BCM

Body Control Module

Refer to Body Control Module Replacement in Body Control System

Refer to Diagnostic Starting Point - Body Control System in Body Control Systems

Refer to Body Control System Schematics in Body Control System

EBCM

Electronic Brake Control Module

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

Instrument Panel Cluster

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 Schematics in Instrument Panel, Gauges, and Console

PCM

Powertrain Control Module
    • Refer to Powertrain Control Module Replacement 4.3 Engine
    • Refer to Powertrain Control Module Replacement 4.8, 5.3, and 6.0 Engines
    • Refer to Powertrain Control Module Replacement 8.1 Engine

in Engine Controls
    • Refer to Diagnostic System Check - Engine Controls 4.3 Engine
    • Refer to Diagnostic System Check - Engine Controls 4.8, 5.3, and 6.0 Engines
    • Refer to Diagnostic System Check - Engine Controls 6.6 Diesel Engine
    • Refer to Diagnostic System Check - Engine Controls 8.1 Engine

in Engine Controls
    • Refer to Engine Controls Schematics 4.3 Engine
    • Refer to Engine Controls Schematics 4.8, 5.3, and 6.0 Engines
    • Refer to Engine Controls Schematics 6.6 Diesel Engine
    • Refer to Engine Controls Schematics 8.1 Engine

in Engine Controls

SDM

Inflatable Restraint Sensing and Diagnostic Module

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

SCM

Suspension Control Module/Real Time Damping

Refer to Electronic Suspension Control Module Replacement in Real Time Damping (RTD)

Refer to Diagnostic System Check - Real Time Damping in Real Time Damping (RTD)

Refer to Suspension Controls Schematics in Real Time Damping (RTD)

HVAC Control Module
    • Refer to Heater and Air Conditioning Control Replacement in HVAC - Manual
    • Refer to HVAC Control Module Replacement in HVAC - Automatic

Refer to Diagnostic System Check - HVAC Systems - Automatic in HVAC - Automatic
    • Refer to HVAC Schematics in HVAC - Manual
    • Refer to HVAC Schematics in HVAC - Automatic

OnStar®/Cellphone Communications
    • Refer to OnStar Vehicle Interface Unit Replacement in Cellular Communications

Refer to Diagnostic System Check - Cellular Communication in Cellular Communications

Refer to OnStar Schematics in Cellular Communications

MSM

Memory Seat Module

Refer to Memory Seat Control Module Replacement in Seats

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Refer to Memory Seats Schematics in Seats

DIC

Driver Information Center

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

Refer to Instrument Panel, Gages, and Console Schematic Icons in Instrument Panel Gauges and Console

Allison Automatic Transmission

Refer to Transmission Control Module Replacement in Automatic Transmission - Allison

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Refer to Automatic Transmission Controls Schematics in Automatic Transmission - Allison