Our automotive experts have put together the following information about the P0425 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 P0425 code.

OBD II Fault Code

  • OBD II P0425

    OBD-II Code Catalytic converter temperature sensor failure is defined as a Catalyst Temperature Sensor Circuit

    The Catalytic Converter uses multiple temperature sensors to ensure that the Catalytic Converter is working properly and does not overheat. When the engine control module (PCM) determines there is an incorrect signal from the Catalytic Converter Temperature Sensor, the PCM will set code P0425.

    Common Problems That Trigger the P0425 Code

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