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Our automotive experts have put together the following information about the P2428 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 P2428 code.

OBD II Fault Code

  • OBD II P2428

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Exhaust Gas Temperature Too 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 P2428.

    Common Problems That Trigger the P2428 Code

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

    Common Repairs Needed for the P2428 Code

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