2010 Cadillac CTS Sedan AWD V6-3.0L Page 1490
* 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
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Connector Repairs/Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit
Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/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.
