Our automotive experts have put together the following information about the P0C23 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 P0C23 code.

OBD II Fault Code

  • OBD II P0C23

    OBD-II Code Wiring issue is defined as a AUXILIARY Transmission Fluid Pump Control Module Circuit/Open

    The Auxiliary Transmission Fluid Pump pressurizes the fluid in the transmission. The Auxiliary Transmission Fluid Pump Control Module runs a self-check to ensure it is capable of performing its required functions. If the module does not have the correct amount of voltage going to it, code P0C23 is stored.

    Wiring issue Symptoms

    • Vehicle may be immovable

    Common Problems That Trigger the P0C23 Code

    • Auxiliary transmission fluid pump control module failure
    • Wiring issue
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