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OBD II Fault Code

  • OBD II P242D

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

    The Exhaust Gas Temperature (EGT) Sensor tells the engine control module (PCM) the temperature of the exhaust gas going into and out of the Selective Catalytic Reduction (SCR). If the PCM detects an implausible signal from the EGT sensor, it will store code P242D.

    Common Problems That Trigger the P242D Code

    • Exhaust Gas Temperature (EGT) sensor failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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