Electronic Brake Control Module (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.

Instrument Panel Cluster (IPC).

Refer to Instrument Cluster Replacement in Instrument Panel, Gages and Console.

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

Refer to Instrument Cluster Schematics in Instrument Panel, Gages and Console.

Powertrain Control Module (PCM).

Refer to Engine Control Module Replacement in Engine Controls 6.6L, Engine Control Module Replacement/Restore Fuel Rate Data in Engine Controls 7.8L or Powertrain Control Module Replacement in Engine Controls 8.1L.

Refer to Diagnostic System Check - Engine Controls in Engine Controls 6.6L, Diagnostic System Check - Engine Controls in Engine Controls 7.8L or Diagnostic System Check - Engine Controls in Engine Controls 8.1L .

Refer to Engine Controls Schematics in Engine Controls 6.6L, Engine Controls Schematics in Engine Controls 7.8L or Engine Controls Schematics in Engine Controls 8.1L.

Inflatable Restraint Sensing and Diagnostic Module, (SDM).

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.

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.

Remote Control Door Lock Receiver, (RCDLR).

Refer to Remote Control Door Lock Receiver Replacement in Keyless Entry.

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Refer to Keyless Entry Schematics in Keyless Entry.

Multi Function Alarm Module (MAM), Chime Module

Refer to Multifunction Alarm Module Replacement in Instrument Panel, Gages and Console.

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

Refer to Instrument Cluster Schematics in Instrument Panel, Gages and Console.

Transmission Control Module ( TCM).

Refer to Transmission Control Module Replacement in Automatic Transmission-Allison.

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Refer to Automatic Transmission Controls Schematics in Automatic Transmission-Allison.

Serial Data Gateway Module (SDGM).

Refer to Serial Data Gateway Module Replacement .

Refer to Diagnostic Starting Point - Data Link Communications .

Refer to Data Link Connector Schematics .