Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0641 or P0651
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage |
|---|---|---|---|
| Accelerator Pedal Position (APP) Sensor 2 5-Volt Reference 1 Circuit | P0107, P0452, P0532, P0641 | P2127 | P0533, P0651 |
| Accelerator Pedal Position (APP) Sensor 1 5-Volt Reference 2 Circuit | P0335, P0651, P2135, | P2122 | P0335, P0651, P2135 |
| Air Conditioning (A/C) Refrigerant Pressure Sensor 5-Volt Reference 1 Circuit | P0107, P0452, P0532, P0641 | P0532 | P0533, P0641 |
| Fuel Tank Pressure (FTP) Sensor 5-Volt Reference 1 Circuit | P0641 | P0452 | P0533, P0641 |
| Manifold Absolute Pressure (MAP) Sensor 5-Volt Reference 1 Circuit | P0107, P0532, P0641 | P0107 | P0533, P0641 |
| Throttle Position (TP) Sensor 1 and 2 5-Volt Reference 2 Circuit | P0335, P0651, P2135, | P0122, P0222 | P0651, P2135 |
| Secondary Air Injection (AIR) Solenoid 5-Volt Reference 2 Circuit | P0335, P0651, P2135, | P2432 | P0335, P0651, P2135, |
| Crankshaft Position (CKP) Sensor 5-Volt Reference 2 Circuit | P0335, P0651, P2135, | P0335 | P0335, P0651, P2135, |
| Camshaft Position (CMP) Sensor 5-Volt Reference 2 Circuit | P0107, P0532, P0651 | P0340 | P0533, P0651 |
| Exhaust Gas Recirculation (EGR) position sensor 5-Volt Reference 1 Circuit | P0107, P0452, P0641 | P0405 | P0641 |