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OBD II Fault Code

  • OBD II P06B3

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Sensor Power Supply "B" Circuit/Open

    The engine computer (PCM) supplies power to all the sensors on the vehicle. If there is a problem with the power supply to the sensors, code P06B3 will be set.

    Common Problems That Trigger the P06B3 Code

    • Powertrain Control Module (PCM) failure
    • Wiring issue
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