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Our automotive experts have put together the following information about the P242E diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P242E code.

OBD II Fault Code

  • OBD II P242E

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

    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 P242E.

    Common Problems That Trigger the P242E Code

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