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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 935 (Engine Controls And Fuel - 4.8L, 5.3L, 6.0L And 6.2L - DTC P0231 To DTC P1255) >> DTC P0641 or P06A6 (FPCM) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0641 or P06A6 (FPCM)

Circuit Short to Ground Open or High Resistance Short to Voltage Signal Performance
5 Volt Reference Circuit P0641 00 P0641 00 or P06A6 00 P0641 00 P06A6 00
Fuel Line Pressure Sensor Low Reference Circuit - P0641 00 or P06A6 00 - P06A6 00
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