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 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 ABS Schematics in Antilock Brake System |
| Engine Control Module (ECM) (L81) | Refer to ENGINE CONTROL MODULE in Removal and Installation in Engine Performance-3.0L (L81) | Refer to DIAGNOSTIC SYSTEM TEST in Self Diagnostics - 3.0L in Engine Performance | Refer to ENGINE PERFORMANCE WIRING DIAGRAM 3.0 in System Wiring Diagrams |
| HVAC Control Module | Refer to HVAC Control Module Replacement in HVAC Systems-Automatic | Refer to Diagnostic System Check - HVAC Systems - Automatic in HVAC Systems-Automatic | Refer to HVAC Schematics in HVAC Systems-Automatic |
| Inflatable Restraint Sensing and Diagnostic Module (SDM) | Refer to Inflatable Restraint Sensing & Diagnostic Module (Sdm) (Wagon) in Airbag | Refer to SIR Diagnostic System Check in Airbag | Refer to Sir Wiring Diagrams in Airbag |
| 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 |
| Powertrain Control Module (PCM) (L61) | POWERTRAIN CONTROL MODULE in Removal and Installation in Engine Performance | DIAGNOSTIC SYSTEM TEST in Self-Diagnostics 2.2 in Engine Performance | ENGINE PERFORMANCE 2.2 in Wiring Diagrams |
| Transmission Control Module (TCM) (4T40-E/4T45-E) | Refer to Transmission Control Module (TCM) Replacement in Automatic Transaxle - 4T40-E/4T45-E | Refer to Diagnostic System Check - Automatic Transmission (2.2L) or Diagnostic System Check - Automatic Transmission (3.0L) in Automatic Transaxle - 4T40-E/4T45-E | Refer to Automatic Transmission Controls Schematics (2.2L) or Automatic Transmission Controls Schematics (3.0L) in Automatic Transaxle - 4T40-E/4T45-E |
| Vehicle Communication Interface Module (VCIM) | Refer to Communication Interface Module Replacement (Sedan) or Communication Interface Module Replacement (Wagon) in Cellular Communication | Refer to Diagnostic System Check - Cellular Communication in Cellular Communication | Refer to OnStar Schematics in Cellular Communication |