P0523 MERCEDES-BENZ – Engine Oil Pressure Sensor/Switch Circuit High Voltage

 

P0523: DIY Repairing Video Tutorial

https://youtu.be/8X0Kowu5CFU

Check out nonda Auto DIY Center for more engine error code repairing videos.
https://www.youtube.com/playlist?list=PL-Lyko0O0oxHe1AGvzwAz-wokJPXAtW97

 

P0523 MERCEDES-BENZ Possible Symptoms

  Engine Light ON (or Service Engine Soon Warning Light),Oil pressure warning light ON  

P0523 MERCEDES-BENZ Possible Causes

  Low oil level or motor mechanical fault,Faulty Oil Pressure sensor,Oil Pressure Sensor harness is open or shorted,Oil Pressure Sensor circuit poor electrical connection  

P0523 MERCEDES-BENZ Description

  The Engine Control Module (ECM) continuously monitors the engine oil pressure. The Engine Oil Pressure (EOP) Sensor/Switch sends a voltage signal to the ECM when the engine is running. The ECM monitor the signal circuit of the EOP sensor to determine the engine sensor voltage is within the normal operation range.