What Does P0523 Code Mean?

OBD-II Code P0523 is defined as a Engine Oil Pressure Sensor/Switch High

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 P0523.The low oil warning light on the instrument cluster may also illuminated.

P0523 Symptoms

  • Oil pressure warning light illuminated

Common Problems That Trigger the P0523 Code

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

Common Repairs Needed for the P0523 Code

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