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 40 (ANTILOCK BRAKE SYSTEM WITH TCS)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 B3626 | Traction Control Preference Switch Circuit |
| DTC C0035-C0051 | Wheel Speed Sensor Circuit |
| DTC C0110 | Pump Motor Circuit Malfunction |
| DTC C0121 | Valve Relay Circuit Malfunction |
| DTC C0161 | ABS/TCS Brake Switch Circuit Malfunction |
| DTC C0191 | Four Wheel Drive Reference Accelerometer Circuit |
| DTC C0192 | Four Wheel Drive Reference Accelerometer Circuit Performance |
| DTC C0245 | Wheel Speed Sensor Frequency Error |
| DTC C0550 | ECU Malfunction |
| DTC C0896 | Device Voltage Range Performance |
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.