P0B0C - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P0B0C 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 P0B0C code.

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

About the Author

Brad Kava is an automotive expert at RepairPal, the leading online source of auto repair resources and estimates. With many ASE Master certified mechanics on staff who have decades of experience, RepairPal knows all the fine points of car repair.

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