Control Module References
Control Module References
| Control Module | Repair | Diagnostic System Check | Schematic |
|---|---|---|---|
| Body Control Module (BCM) | Refer to Body Control Module Replacement | Refer to Diagnostic Starting Point - Body Control System | Refer to Body Control System Schematics |
| Electronic Brake/Traction Control Module (EBTCM) | Refer to Electronic Brake Control Module Replacement in Anti-lock Brake System | Refer to Diagnostic System Check - ABS in Anti-lock Brake System | Refer to ABS Schematics in Anti-lock Brake System |
| Engine Control Module (ECM) (L61) | Refer to Engine Control Module (ECM) Replacement in Engine Controls - 2.2L (L61) | Refer to Diagnostic System Check - Engine Controls in Engine Controls -2.2L (L61) | Refer to Engine Controls Schematics in Engine Controls - 2.2L (L61) |
| 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 |
| Instrument Panel Cluster (IPC) | Refer to Instrument Panel Cluster (IPC) 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 |
| Power Steering Control Module (PSCM) | Refer to Steering Column Replacement in Steering Wheel and Column | Refer to Diagnostic System Check - Power Steering System in Power Steering System | Refer to Power Steering System Schematics in Power Steering System |
| Powertrain Control Module (PCM) (L66) | Refer to Powertrain Control Module (PCM) Replacement in Engine Controls - 3.5L (L66) | Refer to Diagnostic System Check - Engine Controls in Engine Controls - 3.5L (L66) | Refer to Engine Controls Schematics in Engine Controls - 3.5L (L66) |
| Transmission Control Module (TCM) (5AT) | Refer to Powertrain Control Module (PCM) Replacement in Engine Controls - 3.5L (L66) | Refer to Diagnostic System Check - Automatic Transmission in Automatic Transmission (5AT) | Refer to Automatic Transmission Controls Schematics in Automatic Transmission (5AT) |
| Transmission Control Module (TCM) (VT25-E) | Refer to Transmission Control Module (TCM) Replacement in Automatic Transmission VT25-E | Refer to Diagnostic System Check - Automatic Transmission in Automatic Transmission VT25-E | Refer to Automatic Transmission Controls Schematics in Automatic Transmission VT25-E |
| Vehicle Communication Interface Module (VCIM) | Refer to Communication Interface Module Replacement in Cellular Communication | Refer to Diagnostic System Check - Cellular Communication in Cellular Communication | Refer to OnStar Schematics in Cellular Communication |