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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 P06A6 (FPCM) >> Diagnostic Fault Information (FPCM)

Diagnostic Fault Information (FPCM)

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 or High Resistance Short to Voltage Signal Performance
5-Volt Reference P0641 P0641, P06A6 P0641 P06A6
Fuel Rail Pressure (FRP) Sensor Signal P0192 P0191, P0193 P0193 P0191
Fuel Line Pressure Sensor Low Reference - P0641, P06A6 - P06A6