2010 Cadillac CTS Sedan AWD V6-3.0L Page 1497

2010 Cadillac CTS Sedan AWD V6-3.0L Page 1497

瀚慖f DTC P0602, P0610, or P0630 failed this ignition, program the K20 ECM. If the DTC resets, replace the K20 ECM.

3. Observe the DTC information with a scan tool. DTC P0601, P0603, P0604, P0606, P0607, P062B, P062F, P16F3, or P2610 should not set.

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

P0601-P0604, P0606, or P062F

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.