Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Blower Motor Control Processor | Behind right side of dash, on HVAC assembly. |
| Body Control Module | On lower left side of dash, below steering column. |
| Cruise Control Module | In left rear of engine compartment, on firewall. |
| Driver Door Module | Behind driver's door trim panel, below switch assembly. |
| Electronic Brake Control Module | On left side of inner frame. |
| Engine Control Module (6.6L) | At left front of engine compartment. |
| Front Passenger Door Module | Behind front passenger's door trim panel, below switch assembly. |
| Fuel Injector Control Module (6.6L VIN 1) | Under engine air intake duct. |
| HVAC Control Module | Behind center of dash. |
| Ignition Control Module (4.3L) | At right rear of engine, near ground strap. |
| Inflatable Restraint I/P Module | Behind right side of dash. |
| Inflatable Restraint Sensing/Diagnostic Module | Under left front seat. |
| Memory Seat Module | Underside of left front seat. |
| Powertrain Control Module (PCM) | On left front of engine compartment. See Figure. |
| Rear Wheel Steering Control Module | At left rear of vehicle, near spare tire bracket. |
| Throttle Actuator Control Module (Except 4.3L) | At left rear of engine compartment. |
| Transfer Case Shift Control Module | Behind headlamp switch. |
| Transmission Control Module | At left front of engine compartment. |
| Vehicle Communication Interface Module | Behind passenger air bag module. |
| Windshield Wiper Motor Module | Under windshield cowl, between wiper arms. |