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 MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 945 (HVAC SYSTEM - AUTOMATIC)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Diagnostic Code Index
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Diagnostic Code Index
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B0158, B0163, B0168, B0173, B0178, B0509, B0514, B3578 or B3583 | Air Temperature Sensor |
| DTC B0183 or B0188 | Solar Load Sensor Circuit Short |
| DTC B0228, B0413, B0423, B0433, B3779 or B3782 | Recirculate Position Feedback Circuit |
| DTC P0532 or P0533 | Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit |
| DTC P0645 | Air Conditioning (A/C) Clutch Relay Control Circuit |
RENDER: 1.0x
NO RELATED
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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.