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Hummer
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2008
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H2 4D Utility Wagon
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Engine Controls And Fuel - 6.2L - DTC P0300 To DTC P1175
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DTC P0641 or P06A6 (FPCM)
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Diagnostic Fault Information (FPCM)
Diagnostic Fault Information (FPCM)
Circuit
Short to Ground
Open or High Resistance
Short to Voltage
Signal Performance
5-Volt Reference
P0641 00
P0641 00 or P06A6 00
P0641 00
P06A6 00
Fuel Line Pressure Sensor Low Reference
-
P0641 00 or P06A6 00
-
P06A6 00