Our automotive experts have put together the following information about the P0198 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 P0198 code.

What Does P0198 Code Mean?

    OBD-II Code P0198 is defined as a Engine Oil Temperature Sensor Circuit High

    The Engine Oil Temperature Sensor tells the engine control module (PCM) the temperature of the engine oil. If the PCM detects an incorrect signal from the Engine Oil Temperature Sensor, it will set code P0198.

    Common Problems That Trigger the P0198 Code

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