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OBD II Fault Code

  • OBD II P0474

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Exhaust Pressure Sensor "A" Circuit Intermittent/Erratic

    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 P0474.

    Common Problems That Trigger the P0474 Code

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