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 MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 61 (ELECTRICAL COMPONENT LOCATOR)CONTROL UNITS
2006 Chevrolet Suburban C1500, 5.3 Z
Control Units
2006 Chevrolet Suburban C1500, 5.3 ZSECTION Control Units
WARNING: This page is about a different car, the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Auxiliary HVAC Control Processor | Behind auxiliary HVAC controller, in headliner. |
| Body Control Module | Behind lower right side of dash. |
| Central Sequential Fuel Injection (4.3L VIN X) | On bottom of intake manifold. See Figure . |
| Cruise Control Module | Near brake fluid reservoir. |
| Electronic Brake Control Module | On left frame rail, near center of vehicle. |
| Fuel Injector Control Module (CNG) | On left side of radiator support. |
| Ignition Control Module (4.3L VIN X) | On top right side of engine, at ignition coil. See Figure . |
| Inflatable Restraint Sensing & Diagnostic Module | Under left front seat. See Figure . |
| Powertrain Control Module | In engine compartment, on left inner fender. See Figure . |
| Remote Control Door Lock Receiver | Behind upper left center of dash. See Figure . |
| Turn Signal/Hazard Flasher Module | Behind left center of dash. See Figure . |
| Vehicle Communication Interface Module | Below steering column. See Figure . |
RENDER: 1.0x
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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.