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 MANUALSCHEVROLET2010CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 4.8 AREPAIR AND DIAGNOSISQUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONTROL UNITS
2010 Chevrolet Chevy Express G2500, Van Cargo Extended, 4.8 A
Control Units
2010 Chevrolet Chevy Express G2500, Van Cargo Extended, 4.8 ASECTION Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Body Control Module (BCM) | Behind lower right side of dash. See Figure. |
| Central Sequential Fuel Injection (Central SFI) Connector (4.3L) (1) | At top of engine. See Figure. |
| Coolant Heater Control (1) | On coolant heater assembly. See Figure. |
| Cruise Control Module (CCM) | Near brake fluid reservoir. See Figure. |
| Electronic Brake Control Module (EBCM) | On left frame rail, near center of vehicle. |
| Electronic Control Module (ECM) | Left side of engine compartment. See Figure. |
| Fuel Pump Flow Control Module (5.3L) | At rear of vehicle, attached to left rear frame rail. |
| Glow Plug Control Module (GPCM) (6.6L) (5) | Left rear of engine. See Figure. |
| HVAC Control Processor - Auxiliary | Center front of headliner. See Figure. |
| Ignition Coil/Module 1 Connector (4.8L, 5.3L & 6.0L) (13) | At top left of engine. See Figure. |
| Ignition Coil/Module 2 Connector (4.8L, 5.3L & 6.0L) (5) | At top right of engine. See Figure. |
| Ignition Coil/Module 3 Connector (4.8L, 5.3L & 6.0L) (11) | At top left of engine. See Figure. |
| Ignition Coil/Module 4 Connector (4.8L, 5.3L & 6.0L) (6) | At top right of engine. See Figure. |
| Ignition Coil/Module 5 Connector (4.8L, 5.3L & 6.0L) (9) | At top left of engine. See Figure. |
| Ignition Coil/Module 6 Connector (4.8L, 5.3L & 6.0L) (7) | At top right of engine. See Figure. |
| Ignition Coil/Module 7 Connector (4.8L, 5.3L & 6.0L) (8) | At top left of engine. See Figure. |
| Ignition Coil/Module 8 Connector (4.8L, 5.3L & 6.0L) (9) | At top right of engine. See Figure. |
| Ignition Control Module (ICM) Connector (3) | On top right side of engine, at ignition coil. See Figure. |
| Inflatable Restraint I/P Module | Behind right side of dash. See Figure. |
| Inflatable Restraint I/P Module Connector (2) | Behind right side of dash. See Figure. |
| Inflatable Restraint Roof Rail Module - Left Front | Left side of headliner. |
| Inflatable Restraint Sensing & Diagnostic Module (SDM) | Under left front seat. See Figure. |
| Inflatable Restraint Sensing & Diagnostic Module (SDM) Connector (13) | Under left front seat. See Figure. |
| Intake Air Heater (IAH) Module (13) | Between intake manifold tube & air cooler outlet duct. See Figure. |
| Powertrain Control Module (PCM) (3) | In engine compartment, on left inner fender. See Figure. |
| Theft Deterrent Module (TDM) | In steering column, near ignition key cylinder housing. |
| Throttle Actuator Control (TAC) Module | At left rear of engine compartment. See Figure. |
| Transmission Control Module (TCM) (6.6L) | Left front corner of engine compartment. See Figure. |
| Turn Signal/Hazard Flasher Module | Behind left center of dash. See Figure. |
| Vehicle Communication Interface Module (VCIM) (8) | Below steering column. 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.