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Our automotive experts have put together the following information about the P2799 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 P2799 code.

OBD II Fault Code

  • OBD II P2799

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

    The Auxiliary Transmission Fluid Pump pressurizes the fluid in the transmission. If the pump does not operate as requested, code P2799 is stored.

    Wiring issue Symptoms

    • Vehicle may be immovable

    Common Problems That Trigger the P2799 Code

    • Auxiliary transmission pump failure
    • Drive motor generator power inverter control module failure
    • Wiring issue
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