What Does P2797 Code Mean?

    OBD-II Code P2797 is defined as a AUXILIARY Transmission Fluid Pump Performance

    The Drive Motor Generator Power Inverter Control Module contains the Motor Driver that controls the Auxiliary Transmission Fluid Pump, The Auxiliary Transmission Fluid Pump creates hydraulic pressure in the transmission, allowing the transmission to be able to shift gears. If the Motor Driver detects the pump is not capable of producing the pressure requested, code P2797 will set.Additional codes are usually stored along with code P2797 and should be diagnosed and repaired first.

    Common Problems That Trigger the P2797 Code

    • Auxiliary transmission pump failure
    • Drive motor generator power inverter control module failure
    • Transmission Control Module (TCM) failure
    • Wiring issue

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