OBD II Fault Code

  • OBD II P056B

    OBD-II Code Cruise control will not operate is defined as a Cruise Control "Decrease Distance" Signal

    Adaptive cruise control uses multiple sensors to monitor what is going on in front of the driver to allow for either a driver warning or automatic braking based on the distance between your vehicle and the vehicle in front you. If there is an issue with one or more of these sensors, code P056B will be set and the cruise control system will be disabled.

    Cruise control will not operate Symptoms

    • Cruise control will not operate

    Common Problems That Trigger the P056B Code

    • Debris (snow/mud) blocking the sensors
    • Radar sensor failure
    • Wiring issue

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