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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1653 (Engine Control System & Fuel System - Hybrid (Hp2) 6.0L (LZ1) - DTC P0315 To DTC P1255/DTC P064A) >> DTC P0641 or P06A6 (Fuel Pump Control Module) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. 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, P0192 P0193 P0191
Fuel Line Pressure Sensor Low Reference - P0641, P06A6 - P06A6