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OBD II Fault Code

  • OBD II P0B0C

    OBD-II Code Leaking transmission is defined as a AUXILIARY Transmission Fluid Pump Hydraulic Leakage

    The engine computer (PCM) monitors the pressure of the fluid in the transmission. If a sudden drop of pressure is detected, the PCM assumes there is a leak in the system. Code P0B0C will be stored.

    Leaking transmission Symptoms

    • Vehicle may be immovable

    Common Problems That Trigger the P0B0C Code

    • Auxiliary transmission pump failure
    • Leaking transmission
    • Leaking transmission line
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