P0523
Engine Oil Pressure Sensor/Switch High Input
1999-2000 BMW 323i E46 2.5L I6 🇬🇧
Moderate SeverityPowertrain
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.
Related Codes
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P0523 on Other Vehicles
Common Questions
What does code P0523 mean on a 1999-2000 BMW 323i E46?
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 323i E46?
Common symptoms of P0523 include: Very high oil pressure reading, Warning light on.
What causes P0523 on a 1999-2000 BMW 323i E46?
Common causes of P0523 include: Open circuit, Short to power, Faulty sensor.