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Our automotive experts have put together the following information about the P025B diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P025B code.

OBD II Fault Code

  • OBD II P025B

    OBD-II Code Decreased engine performance is defined as a Fuel Pump Module Control Circuit Range/Performance

    The engine computer (PCM) supplies voltage to the Fuel Pump Control Module. If there is a problem with the voltage supply to the Fuel Pump Module, code P025B is set.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Engine may stall

    Common Problems That Trigger the P025B Code

    • Fuel pump control module failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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