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 MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 17 (HVAC - AUTOMATIC)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2008 Pontiac Grand Prix Base
Diagnostic Code Index
2008 Pontiac Grand Prix BaseSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B0159 | Outside Air Temperature Sensor Circuit Range/Performance |
| DTC B0164 | Passenger Compartment Temperature Sensor Circuit Range/Performance |
| DTC B0174, B0179, B0510, or B0515 | air temperature sensor |
| DTC B0183 or B0188 | sunload sensor |
| DTC B0229, B0414, B0424, or B3770 | actuator problem |
| DTC B0263, B0268, B0408, or B0418 | actuator problem |
| DTC B1375 | Device Ignition 3 Circuit |
| DTC P0530 | Air Conditioning Refrigerant Pressure Sensor 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.