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OBD II Fault Code

  • OBD II P0813

    OBD-II Code Reverse lights may not operate is defined as a Reverse Output Circuit

    The Reverse Input Sensor tells the engine control module (PCM) that the transmission is in reverse. When the PCM detects an incorrect signal from the Reverse Input Sensor, the PCM will set code P0813.

    Reverse lights may not operate Symptoms

    • Reverse lights may not operate

    Common Problems That Trigger the P0813 Code

    • Powertrain Control Module (PCM) failure
    • Reverse switch failure
    • Wiring issue

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