2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 2548
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 flow control module (FPCM). No external circuits are involved.
Conditions for Running the DTC
The FPCM 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 FPCM 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 (See: Powertrain Management/Computers and Control Systems/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
Important: 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 DTCs P0602 is not set.
If the DTC is set, program the FPCM.
Verify that DTCs P0601, P0603, P0604, P0606, and P062F are not set.
If the DTCs are set, replace the FPCM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the repair.
