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 268 (MIRRORS)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 2008 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1544, B1600, or B1605 | B1544 01: Mirror Motors Common Circuit Short to Battery B1544 02: Mirror Motors Common Circuit Short to Ground B1544 04: Mirror Motors Common Circuit Open B1600 01: Mirror Motor Vertical Circuit Short to Battery B1600 02: Mirror Motor Vertical Circuit Short to Ground B1600 04: Mirror Motor Vertical Circuit Open B1605 01: Mirror Motor Horizontal Circuit Short to Battery B1605 02: Mirror Motor Horizontal Circuit Short to Ground B1605 04: Mirror Motor Horizontal Circuit Open |
| DTC B1580 or B1590 | B1580: Mirror Horizontal Position Sensor Circuit B1590: Mirror Vertical Position Sensor Circuit |
| DTC B1640 | B1640 01: Mirror Heater Circuit Short to Battery B1640 02: Mirror Heater Circuit Short to Ground |
| DTC B1722 | B1722 01: Mirror Power Fold Circuit Short to Battery B1722 02: Mirror Power Fold Circuit Short to Ground B1722 04: Mirror Power Fold Circuit Open |
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.