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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls And Fuel - 6.2L - DTC P0300 To DTC P1175 >> DTC P0641 or P0651 >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Accelerator Pedal Position (APP) Sensor 1 5-Volt Reference 2 Circuit P0651 P2122 P0651 -
Accelerator Pedal Position (APP) Sensor 2 5-Volt Reference 1 Circuit P0641 P2127 P0641 -
Air Conditioning (A/C) Refrigerant Pressure Sensor 5-Volt Reference 1 Circuit P0641 P0532 P0641 -
Camshaft Position (CMP) Sensor 5-Volt Reference 1 Circuit P0641 P0340 P0641 -
Engine Oil Pressure (EOP) Sensor 5-Volt Reference 1 Circuit P0641 P0522 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 -
The Crankshaft Position (CKP) Sensor 5-Volt Reference 2 Circuit P0651 P0335 P0651 -
Throttle Position (TP) Sensor 1 and 2 5-Volt Reference 2 Circuit P0651 P0122, P0222 P0651 -
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