Our automotive experts have put together the following information about the P0C27 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 P0C27 code.

OBD II Fault Code

  • OBD II P0C27

    OBD-II Code Transmission Control Module (TCM) failure is defined as a AUXILIARY Transmission Fluid Pump Motor Current Low

    The Auxiliary Transmission Fluid Pump pressurizes the fluid in the transmission. If the pump does not operate as requested, code P0C27 is stored.

    Transmission Control Module (TCM) failure Symptoms

    • Vehicle may be immovable

    Common Problems That Trigger the P0C27 Code

    • Auxiliary transmission pump failure
    • Transmission Control Module (TCM) failure
    • Wiring issue
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