OBD II Fault Code

  • OBD II P251B

    OBD-II Code Wiring issue is defined as a PTO Enable Switch Circuit Low

    The PTO allows Auxiliary equipment such as a dump bed or plow to be hydraulically operated using the vehicle's transmission. If the PTO switch fails to send a plausible signal, code P251B will be stored. PTO operated features will not work.

    Wiring issue Symptoms

    • PTO system disabled

    Common Problems That Trigger the P251B Code

    • PTO switch failure
    • Wiring issue

    Not the OBD-II Code You're Looking For?

    No comments yet…

    Sign in to comment