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Pinpoint Test L : Fuel Pump Control Faults

  1. Normal Operation and Fault Conditions 

    Refer to the DTC Fault Trigger Conditions.

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    PCM P025A: 00 Fuel Pump Module "A" Control Circuit/Open: No Sub Type Information This DTC sets when the PCM detects the FPC circuit is open or shorted to voltage or ground.
    PCM P025B: 00 Fuel Pump Module "A" Control Circuit Range/Performance: No Sub Type Information This DTC sets when the fuel pump control module is still reporting that it is receiving an invalid duty cycle or frequency from the PCM after a calibrated amount of time.
    PCM P025C: 00 Fuel Pump Module "A" Control Circuit Low: No Sub Type Information This DTC sets when the PCM detects the FPC circuit is shorted to ground.
    PCM P025D: 00 Fuel Pump Module "A" Control Circuit High: No Sub Type Information This DTC sets when the PCM detects the FPC circuit is open or shorted to voltage.
    PCM P027B: 00 Fuel Pump Module "B" Control Circuit Range/Performance: No Sub Type Information This DTC sets when the fuel pump control module 2 is still reporting that it is receiving an invalid duty cycle or frequency from the PCM after a calibrated amount of time.

    Possible Sources 

    • Fuel pump
    • Fuel pump control module
    • PCM
    • Radio frequency interference or electromagnetic interference
    • Wiring, terminals or connectors

  2. L1 DIAGNOSE THE CONCERN USING THE ENGINE CONTROLS INFORMATION

    Did the diagnosis in the Engine Controls article instruct to install a new BCM? 

    Yes  Refer to Body Control Module (BCM) .
    No  Concern was resolved in Engine Controls.