Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Blower Motor Speed Control Module | On front of HVAC assembly. |
| Body Control Module (BCM) | Mounted to top of glove box. See Figure. |
| Cooling Fan Control Module | Near battery. |
| Electronic Brake/Traction Control Module (EBTCM) | At left rear of engine compartment. |
| Electronic Ignition (EI) Module (2.2L) | On top of engine, attached to ignition coil housing. See Figure. |
| Electronic Ignition (EI) Module/ 1, 3, 5 Coils (3.0L) | Under right side of upper intake manifold runner. See Figure. |
| Electronic Ignition (EI) Module/ 2, 4, 6 Coils (3.0L) | Under left side of upper intake manifold runner. See Figure. |
| Engine Control Module (ECM) (3.0L) | On top right rear of engine. See Figure. |
| OnStar Communication Interface Module (CIM) (Sedan) | On right side of package shelf. |
| OnStar Communication Interface Module (CIM) (Wagon) | Below right side of load floor. |
| Powertrain Control Module (PCM) (2.2L) | Right rear of engine compartment. See Figure. |
| Sensing & Diagnostic Module (SDM) | Under rear of floor console. |
| Transaxle Control Module (TCM) (3.0L) | At right rear corner of engine compartment, behind strut tower. |
| Wheel Speed Signal Conditioner Module (2.2L) | Behind left side of dash, above hood release. |