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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1046 (Engine Controls And Fuel - 6.6L - DTC P0016 To DTC P02E0) >> DTC P0191 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground High Resistance Open Short to Voltage Signal Performance
FRP Signal P0192 P0088, P0191 P0193 P009E, P0193 -
FRP Low Reference - P0191 P0193 1 -
FRP 5-Volt Reference P0117, P011A, P0462, P0522, P0652 P0087, P0191 P0193 P0118, P0463, P0653, P2454 -
Fuel Pressure Regulator Solenoid Supply Voltage P0088, P0090 P0088 P0090 P0087, P0191, P2510 -
1 Opens circuit fuse or opens circuit.