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DTC P0641 or P06A6Diagnostic Instructions
DTC DescriptorsDTC P0641: 5 V Reference CircuitDTC P06A6: 5 V Reference Performance Diagnostic Fault Information
Circuit/System DescriptionThe fuel pressure sensor is located on the fuel line. The fuel pressure sensor monitors the fuel pressure in the fuel line. The fuel pump control module monitors the voltage signal from the fuel pressure sensor. Conditions for Running the DTCThe ignition is ON. Conditions for Setting the DTCThe fuel pump control module detects that the fuel pressure 5 V reference is above or below a predetermined voltage threshold. Action Taken When the DTC SetsDTCs P0641 and P06A6 are Type A DTCs. Conditions for Clearing the DTCDTCs P0641 and P06A6 are Type A DTCs. Diagnostic AidsUsing the Failure Records data may help locate an intermittent condition. If you cannot duplicate the DTC, the information in the Failure Records can help determine how many miles since the DTC set. The Fail Counter and Pass Counter can help determine how many ignition cycles that the diagnostic test reported a pass and/or a fail. Reference InformationSchematic ReferenceConnector End View ReferenceDescription and OperationElectrical Information ReferenceDTC Type ReferencePowertrain Diagnostic Trouble Code (DTC) Type Definitions Scan Tool ReferenceControl Module References for scan tool information Circuit/System Testing
Repair InstructionsPerform the Diagnostic Repair Verification after completing the diagnostic procedure. Control Module References for fuel pump control module replacement, set-up, and programming |
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