CAR OBD CODES

P0521 OBD Code Definition:
P0521 Engine Oil Pressure Sensor/Switch Circuit Range/Performance
P0521 OBD Code Description:

OBD2 Code P0521 Definition:
The PCM continuously monitors the engine oil pressure. The Oil Pressure Sensor/Switch sends a signal to the PCM when the engine is running. Symptoms

Possible sumptoms of P0521
– Engine Light ON (or Service Engine Soon Warning Light) – Oil pressure warning light ON. Possible Causes

Possible causes of P0521
– Low oil level or motor mechanical fault – Open or short oil level sensor circuit condition – Poor oil level sensor electrical connection – Faulty oil pressure sensor The Error code is generally activated on detection of the following conditions: The P0521 is detected when the signal sent from oil pressure sensor to PCM goes out of range. Possible Solutions

The most likely cause is a faulty oil pressure sensor/switch
Note: The information on the P0521 error code is purely informative, if you need more useful information, please consult your technician.