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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 929 (Engine Controls And Fuel - 4.8L, 5.3L, 6.0L And 6.2L - DTC P0010 To DTC P230) >> DTC P0191 >> Circuit/System Description

Circuit/System Description

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.

The fuel pump control module (FPCM) monitors the voltage signal from the fuel pressure sensor. This DTC will set if the FPCM detects a stuck fuel pressure sensor signal.

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