P0523 OBD II Trouble Code Engine Oil Pressure Sensor/Switch High Input Code

Symptoms of P0523 OBD II Trouble Code

• Oil pressure gauge reading high
• Oil pressure indicator lamp illuminated

Common Causes of P0523 OBD II Trouble Code

• High oil pressure (mechanical oil pump fault)
• High pressure due to obstruction/restriction in oil passage(s)
• Wrong engine oil used
• Faulty wiring or connection/connector in the oil pressure sender circuit
• Faulty oil pressure sender/sensor