Diagnostic Fault Information
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Air Conditioning (A/C) Refrigerant Pressure Sensor 5-Volt Reference 2 Circuit | P0651 | P0532 | P0651 | - |
| AIR Pressure Sensor 5-Volt Reference 1 Circuit | P0641 | P2432 | P0641 | - |
| Fuel Tank Pressure (FTP) Sensor 5-Volt Reference 1 Circuit | P0641 | P0452 | P0641 | - |
| Manifold Absolute Pressure (MAP) Sensor 5-Volt Reference 1 Circuit | P0641 | P0107 | P0641 | - |
| Exhaust Gas Recirculation (EGR) Valve 5-Volt Reference 1 Circuit | P0405, P0406 | P0404, P0405 | P0406 | - |