P0523
Engine Oil Pressure Sensor/Switch High Input
1996-1999 BMW 318i E36 1.9L I4 M44
Moderate SeverityPowertrainGeneric (SAE)
Description
High voltage from oil pressure sensor.
Symptoms
- Very high oil pressure reading
- Warning light on
Common Causes
- Open circuit
- Short to power
- Faulty sensor
Diagnostic Steps
- Test with mechanical gauge
- Test circuit voltage
- Test sensor
Repair Notes
Replace sensor if actual pressure is normal.
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P0523 on Other Vehicles
Common Questions
What does code P0523 mean on a 1996-1999 BMW 318i E36?
P0523 stands for "Engine Oil Pressure Sensor/Switch High Input". High voltage from oil pressure sensor.
What are the symptoms of P0523 on a BMW 318i E36?
Common symptoms of P0523 include: Very high oil pressure reading, Warning light on.
What causes P0523 on a 1996-1999 BMW 318i E36?
Common causes of P0523 include: Open circuit, Short to power, Faulty sensor.