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OBD II Fault Code

  • OBD II P0A4C

    OBD-II Code High voltage system may not operate is defined as a Generator Position Sensor Circuit Range/Performance

    The hybrid control module uses sensors to determine the position of the hybrid motor's internal components. If the hybrid control module determines there is a fault in the position sensor, the engine control module will set code P0A4C.

    High voltage system may not operate Symptoms

    • High voltage system may not operate

    Common Problems That Trigger the P0A4C Code

    • High voltage control module failure
    • High voltage motor failure
    • Wiring issue
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