Our automotive experts have put together the following information about the P0520 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 P0520 code.

OBD II Fault Code

  • OBD II P0520

    OBD-II Code Oil pressure warning light illuminated is defined as a Engine Oil Pressure Sensor/Switch Circuit

    The Engine Oil Pressure Sensor tells the engine control module (PCM) the engine oil pressure. When the PCM detects an incorrect signal from this sensor it will set code P0520.The low oil warning light on the instrument cluster may also illuminated.

    Oil pressure warning light illuminated Symptoms

    • Oil pressure warning light illuminated

    Common Problems That Trigger the P0520 Code

    • Engine oil pressure sensor failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue

    Common Repairs Needed for the P0520 Code

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