Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006CAB & CHASSIS SILVERADO 2D PICKUP, 8.1 G, 4WD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONTROL UNITS
2006 Chevrolet Cab & Chassis Silverado 2D Pickup, 8.1 G, 4WD, Automatic
Control Units
2006 Chevrolet Cab & Chassis Silverado 2D Pickup, 8.1 G, 4WD, AutomaticSECTION Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Alternative Fuel Injector Control Module (FICM) | Below air filter assembly. See Figure. |
| Alternative Fuel Injector Control Module (FICM) Connector | Below air cleaner assembly. See Figure. |
| Blower Motor Control Processor | Near blower motor, on HVAC assembly. See Figure. |
| Body Control Module | On lower left side of dash, below steering column. See Figure. |
| Body Control Module (BCM) Connectors | On body control module. See Figure. |
| Cruise Control Module | In left rear of engine compartment. See Figure. |
| Cruise Control Module Electrical Connector | On cruise control module. See Figure. |
| Driver Door Module (DDM) | In driver's door. See Figure. |
| Electronic Brake Control Module (EBCM) | On left side of inner frame. See Figure. |
| Energy Storage Control Module (ESCM) | In energy storage box. See Figure. |
| Engine Control Module (ECM) Connectors (6.6L) | On engine control module. See Figure. |
| Engine Control Module (ECM) (6.6L) | At left front of engine compartment. See Figure. |
| Flasher Module | On bottom of instrument panel fuse block. See Figure. |
| Front Passenger Door Module (FPDM) | In right front door. See Figure. |
| Fuel Injector Control Module (6.6L) | Under engine air intake duct. See Figure. |
| Generator Battery Control Module | Left front corner of engine compartment, on battery negative cable. |
| HVAC Control Module | In center of dash. See Figure. |
| 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 Passenger Presence System (PPS) Module | Below right front seat. See Figure. |
| Inflatable Restraint Sensing And Diagnostic Module (SDM) | Under left front seat. See Figure. |
| Memory Seat Module | Underside of left front seat. See Figure. |
| PCM Wire Harness Connectors | On PCM. See Figure. |
| Powertrain Control Module (PCM) | Left front of engine compartment. See Figure. |
| Rear Wheel Steering Control Module | On rear frame. See Figure. |
| Starter/Generator Control Module (Hybrid) | Right rear of engine compartment. See Figure. |
| Throttle Actuator Control (TAC) Module Connector (4.8L, 5.3L & 6.0L) | On throttle actuator control module. See Figure. |
| Throttle Actuator Control (TAC) Module Connector (6.6L) | On throttle actuator control module. See Figure. |
| Throttle Actuator Control (TAC) Module (4.8L, 5.3L & 6.0L) | At left rear of engine compartment. See Figure. |
| Tire Pressure Monitor (TPM) Module | Behind dash above brake pedal assembly. |
| Transfer Case Shift Control Module | Behind headlamp switch. See Figure. |
| Transfer Case Shift Control Module Connectors | On Transfer Case Shift Control Module. See Figure. |
| Transmission Control Module | At left front of engine compartment. |
| Transmission Control Module Connectors | On transmission control module. |
| Vehicle Communication Interface Module (VCIM) | Behind passenger air bag module. See Figure. |
| Vehicle Communication Interface Module (VCIM) Connectors | On vehicle communication interface module. See Figure. |
| Windshield Wiper Motor Module | Under windshield cowl, between wiper arms. See Figure. |
| Windshield Wiper Motor Module Electrical Connector | On windshield wiper motor module. See Figure. |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.