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2010 Cadillac Truck SRX AWD V6-3.0L Page 947

2010 Cadillac Truck SRX AWD V6-3.0L Page 947



Instructions) provides an overview of each diagnostic category.



DTC Descriptors



DTC P0641



- 5 V Reference Circuit



DTC P06A6



- 5 V Reference Performance



Diagnostic Fault Information



Circuit/System Description



The 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 DTC



The ignition is ON.



Conditions for Setting the DTC



The 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 Sets



DTCs P0641 and P06A6 are Type A DTCs.



Conditions for Clearing the DTC



DTCs P0641 and P06A6 are Type A DTCs.



Diagnostic Aids



Using 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 Information



Schematic Reference



Engine Controls Schematics (LAU) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)Engine Controls Schematics



(LF1) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)



Connector End View Reference



Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



Description and Operation



Fuel System Description (LF1) (See: Powertrain Management/Fuel Delivery and Air Induction/Description and Operation/Fuel System



Description)Fuel System Description (LAU or LY7) (See: Powertrain Management/Fuel Delivery and Air Induction/Description and



Operation/Fuel System Description)



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)

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