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2010 Cadillac Truck SRX AWD V6-3.0L Page 1590

2010 Cadillac Truck SRX AWD V6-3.0L Page 1590



DTC P0602



- Control Module Not Programmed



DTC P0603



- Control Module Long Term Memory Reset



DTC P0604



- Control Module Random Access Memory (RAM)



DTC P0606



- Control Module Internal Performance



DTC P062F



- Control Module Long Term Memory Performance



Circuit/System Description



The internal fault detection is handled inside the fuel pump control module. No external circuits are involved.



Conditions for Running the DTC



The fuel pump control module runs the program to detect an internal fault when power up is commanded. The only requirements are voltage and



ground. This program runs even if the voltage is out of the valid operating range.



Conditions for Setting the DTC



The fuel pump control module has detected an internal malfunction.



Action Taken When the DTC Sets



DTC P0601, P0602, P0603, P0604, P0606 and P062F are type A DTCs.



Conditions for Clearing the DTC



DTC P0601, P0602, P0603, P0604, P0606 and P062F are type A DTCs.



Reference Information



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)



DTC Type Reference



Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code



(DTC) Type Definitions)



Circuit/System Verification



Note: This DTC may be stored as a history DTC without affecting the operation of the module. If stored only as a history DTC and not retrieved as



a current DTC, do not replace the module.



Verify that DTC P0602 is not set.



If the DTC is set, program the K27 fuel pump control module.



Verify that DTCs P0601, P0603, P0604, P0606, and P062F are not set.

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