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OBD II Fault Code

  • OBD II P07B9

    OBD-II Code Transmission may not shift out of park is defined as a Transmission Park Position Sensor/Switch "B" Circuit Low

    The Transmission Park Position Sensor tells the engine control module (PCM) that the vehicle is in park. When the PCM detects an incorrect signal from the Transmission Park Position Sensor, the PCM will set code P07B9.

    Transmission may not shift out of park Symptoms

    • Transmission may not shift out of park

    Common Problems That Trigger the P07B9 Code

    • Powertrain Control Module (PCM) failure
    • Transmission park position sensor failure
    • Wiring issue
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