Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Blower Motor Control Module (CJ2) | Lower right side of HVAC module. See Figure. |
| Blower Motor Control Module (C67) | Lower right side of HVAC module. See Figure. |
| Body Control Module (BCM) | Lower left side of dash. See Figure. |
| Chime Module | Center of dash. |
| Electronic Brake Control Module (EBCM) | On left side of frame assembly. See Figure. |
| Engine Control Module (ECM) | Left front of engine compartment, near fan shroud. See Figure. |
| Fuel System Control Module (FSCM) | Under rear of vehicle. See Figure. |
| Glow Plug Control Module (GPCM) (6.6L) | Top left rear of engine. See Figure. |
| Heated Steering Wheel Control Module | On left side of steering wheel assembly. |
| Ignition Control Module (ICM) (4.3L) | Right front of intake manifold. |
| Inflatable Restraint Front Passenger Presence System (PPS) Module | Under front passenger seat. See Figure. |
| Inflatable Restraint Sensing & Diagnostic Module (SDM) | Under driver's seat. See Figure. |
| Infrared Module | In headliner. |
| Intake Air Heater (IAH) Module (6.6L) | Left front of engine. See Figure. |
| Integrated Trailer Brake Controller (ITBC) Module | On rear of left frame rail. See Figure. |
| Memory Seat Module | Under front of driver's seat. See Figure. |
| Rear Object Sensor Control Module | At rear cargo area, behind trim panel. See Figure. |
| Theft Deterrent Control Module | On right side of steering column. See Figure. |
| Throttle Actuator Control (TAC) Module (6.6L) | Top right front of engine. See Figure. |
| Transfer Case Shift Control Module | Lower left side of dash. See Figure. |
| Transmission Control Module (Allison) | Left front of engine compartment, near fan shroud. See Figure. |
| Transmission Control Module (Except Allison) | Left front of engine compartment, near fan shroud. See Figure. |
| Vehicle Communication Interface Module (VCIM) | Upper right side of dash. |