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OBD II Fault Code

  • OBD II P254C

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a PTO Speed Selector Sensor/Switch 1 Circuit Low

    The PTO Speed Selector allows the PTO to be operated at different speeds. If the Speed Selector switch sends back an implausible signal, code P254C will be set and the PTO will be disabled.The PTO allows Auxiliary equipment such as a dump bed or plow to be hydraulically operated using the vehicle's transmission.

    Powertrain Control Module (PCM) failure Symptoms

    • PTO system disabled

    Common Problems That Trigger the P254C Code

    • Powertrain Control Module (PCM) failure
    • PTO speed selector switch failure
    • Wiring issue
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