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2010 Cadillac Truck Escalade RWD V8-6.2L Page 2154

2010 Cadillac Truck Escalade RWD V8-6.2L Page 2154

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Perform the Service Fast Learn Adapts (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Testing and

Inspection/Programming and Relearning) following all transmission related repairs.

* Control Module References (See: Testing and Inspection/Programming and Relearning) for control solenoid valve assembly replacement,

setup, and programming.

Fuel Pump Flow Control Module (FPCM)

DTC P0601-P0604, P0606, or P062F

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions)provides an overview of each diagnostic category.

DTC Descriptors

DTC P0601

- Control Module Read Only Memory (ROM)

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 (See: Powertrain Management/Computers and Control Systems/Description and Operation/Fuel System Description)

Electrical Information Reference

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