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OBD II Fault Code

  • OBD II P06B6

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Internal Control Module Knock Sensor Processor 1 Performance

    The knock sensor tells the engine computer (PCM) if there is any abnormal vibration in the engine due to a lean fuel mixture or incorrect timing. If the PCM detects a fault with the circuit inside the PCM, code P06B6 will set.

    Common Problems That Trigger the P06B6 Code

    • Powertrain Control Module (PCM) failure
    • Wiring issue
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