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OBD II Fault Code

  • OBD II P2685

    OBD-II Code Transmission may not shift properly is defined as a Actuator Supply Voltage "C" Circuit Low

    The transmission uses several actuators to engage an hold gears. If the engine control module (PCM) detects an incorrect signal from the actuator, the PCM will set code P2685.

    Transmission may not shift properly Symptoms

    • Transmission may not shift properly

    Common Problems That Trigger the P2685 Code

    • Internal transmission failure
    • Powertrain Control Module (PCM) failure
    • Transmission actuator failure
    • Transmission Control Module (TCM) failure
    • Wiring issue

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