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

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.