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Our automotive experts have put together the following information about the P009C 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 P009C code.

OBD II Fault Code

  • OBD II P009C

    OBD-II Code Decreased engine performance is defined as a Fuel Pressure Relief Control Circuit Low

    The Fuel Pressure Relief valve is designed to release excessive fuel pressure. When the engine control module (PCM) detects an issue with the Fuel Pressure Relief Valve signal, the PCM will set code P009C.

    Decreased engine performance Symptoms

    • Decreased engine performance
    • Engine may stall
    • Increased fuel consumption

    Common Problems That Trigger the P009C Code

    • Fuel pressure regulator failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue

    Common Repairs Needed for the P009C Code

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