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Home >> Lincoln >> 2020 >> Aviator Base, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electronic Engine Controls - 3.0L ECOBOOST/3.0L ECOBOOST - Hybrid (BQ) >> Diagnosis And Testing >> Electronic Engine Controls >> Pinpoint Tests >> Pinpoint Test L : Fuel Pump Control Faults

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 PC/ED (POWERTRAIN CONTROL/EMISSIONS DIAGNOSIS) MANUAL

    Did the diagnosis in PC/ED instruct to install a new BCM? 

    Yes  Refer to BCM Guided Routine .
    No  Concern was resolved with the Engine Controls article.