Control Module | Repair Instruction | Diagnostic System Check | Schematic |
|---|---|---|---|
Body Control Module (BCM) | Refer to Body Control Module Replacement | Refer to Body Control System Schematics | |
Driver Information Center (DIC) | Refer to Driver Information Center Module Replacement in Instrument Panel, Gages and Console. | Refer to Diagnostic Starting Point - Instrument Panel, Gages and Console in Instrument Panel, Gages and Console. | Refer to Driver Information System Schematics in Instrument Panel, Gages and Console. |
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. |
Heads Up Display (HUD) | Refer to Head Up Display Module Replacement in Instrument Panel, Gages and Console. | Refer to Diagnostic System Check - Instrument Cluster in Instrument Panel, Gages and Console. | Refer to Head Up Display Schematics in Instrument Panel, Gages and Console. |
Powertrain Control Module (PCM) | Refer to Powertrain Control Module Replacement in Engine Controls-3.1L or Powertrain Control Module Replacement in Engine Controls-3.8L. | Refer to Diagnostic System Check - Engine Controls in Engine Controls-3.1L or Diagnostic System Check - Engine Controls in Engine Controls-3.8L. | Refer to Engine Controls Schematics in Engine Controls-3.1L or Engine Controls Schematics in Engine Controls-3.8L. |
Vehicle Interface Unit (VIU) | 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. |
Radio | Refer to Radio Replacement in Entertainment. | Refer to Diagnostic Starting Point - Entertainment in Entertainment. | Refer to Radio/Audio System Schematics in Entertainment. |
SIR Sensing and Diagnosis 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. |
Theft Deterrent Control Module | Refer to Ignition Switch Replacement - On Vehicle in Steering Wheel and Column - Tilt. | Refer to Diagnostic System Check - Theft Deterrent in Theft Deterrent. | Refer to Theft Deterrent System Schematics in Theft Deterrent. |
