2010 Cadillac Truck SRX AWD V6-3.0L Page 1089
瀚慖f a DTC failed this ignition, replace the K20 ECM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Control Module References (See: Testing and Inspection/Programming and Relearning) for engine control module replacement, setup, and
programming
Fuel Pump Control Module
DTC P0601-P0604, P0606, or P062F (Fuel Pump Control Module)
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 (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
