P069E

DTC P069E

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview
* Review Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC P069E 00
- Fuel Pump Control Module (FPCM) Requested MIL Illumination

Circuit/System Description

The fuel pump control module (FPCM) controls and monitors the operation of the fuel system. When the FPCM detects a fault and sets a DTC, the FPCM sends a GMLAN serial data message to the engine control module (ECM) requesting the illumination of the malfunction indicator lamp (MIL). This DTC sets in the ECM when it receives a MIL request message from the FPCM.

Conditions for Running the DTC

The ignition is in crank, or the engine is running.

Conditions for Setting the DTC

The FPCM detects a fuel system related fault and sets a DTC.

Action Taken When the DTC Sets

DTC P069E is a C type DTC.

Conditions for Clearing the DTC

DTC P069E is a C type DTC.

Diagnostic Aids

Using the Failure Records data may help locate an intermittent condition. If you cannot duplicate the DTC, the information in the Failure Records can help determine how many miles since the DTC set. The Fail Counter and Pass Counter can help determine how many ignition cycles that the diagnostic test reported a pass and/or a fail.

Circuit/System Verification

Verify none of the following DTCs are set in the FPCM:

* P0191
* P0192
* P0193
* P0231
* P0232
* P023F
* P025A
* P0601
* P0602
* P0603
* P0604
* P0606
* P062F
* P0641
* P064A
* P06A6
* P1255
* P2534
* P2635

If any of the DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle. Diagnostic Trouble Code Descriptions