Our automotive experts have put together the following information about the P2670 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 P2670 code.

OBD II Fault Code

  • OBD II P2670

    OBD-II Code Transmission may not shift properly is defined as a Actuator Supply Voltage "B" 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 P2670.

    Transmission may not shift properly Symptoms

    • Transmission may not shift properly

    Common Problems That Trigger the P2670 Code

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