Trouble Code P0523

P0523

Technical Definition:

Engine Oil Pressure Sensor / Switch High

Trouble Code: P0523
Address: 0x0523
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs
Technical Description:

Possible Causes:

Possible Symptoms:

Engine Oil Pressure Sensor/Switch Circuit High Voltage

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– 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

Specific Makes:

– Oil pressure warning light ON