What Does P0523 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. engine code P0523P0523 fixobd P0523dtc P0523obd code P0523obd2 P0523P0523 car codediagnostic code P0523car code P0523check engine code P0523fehlercode P0523P0523 fiatcodigo P0523codigo falla P0523P0523 kody b??dówcodigo de falla P0523 What are the common causes of P0523 ? Some of the possible causes for the P0523 code to appear include the following: Wrong engine oil used High pressure because of an obstruction in the oil passageway The high pressure could be because of constriction in this passageway Faulty connection or faulty wiring in the oil pressure sender circuit Faulty sensor Failure to change the oil at regular intervals How do you troubleshoot P0523 ? Deactivation of cylinders is achieved by releasing a synchroniser pin that normally interlocks the cam follower and rocker arms. P0523 code resolves the synchroniser pin is released using hydraulic pressure which is controlled by a dedicated solenoid. Searches related to P0523 - Engine Oil Pressure Sensor/Switch Circuit High Voltage p0523 jeep engine oil pressure sensor/switch circuit low voltage p0523 honda odyssey gm code p0521 p0523 harley davidson p0523 dodge charger gm dtc p0522-00 p0532 code