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OBD II Fault Code

  • OBD II P047B

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Exhaust Pressure Sensor "B" Circuit Range/Performance

    The Exhaust Pressure Sensor tells the engine control module (PCM) how much pressure is in the exhaust manifold. If the PCM determines there is an incorrect signal from the Exhaust Pressure Sensor, the PCM will set code P047B.

    Common Problems That Trigger the P047B Code

    • Exhaust pressure sensor failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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