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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 252 (Engine Control System & Fuel - 4.8L, 5.3L, 6.0L, Or 6.2L - DTC P0230 To DTC P0690) >> DTC P0641 or P0651 (Set in ECM) >> Diagnostic Fault Information (Set in ECM)

Diagnostic Fault Information (Set in ECM)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. 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
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 -