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OBD II Fault Code

  • OBD II P041D

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Exhaust Gas Recirculation Temperature Sensor "B" Circuit High

    An Exhaust Gas Recirculation (EGR) Temperature Sensor is an electrical sensing probe that monitors EGR temperature going in and out of the EGR Cooler and transmits the signal to the engine control control module. When the engine control module (PCM) detects an implausible signal from the EGR Temperature Sensor, the PCM will set code P041D.

    Common Problems That Trigger the P041D Code

    • EGR temperature sensor failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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