P0522critical severityPowertrain
Engine Oil Pressure Sensor/Switch Low Input
on 2000 BMW 528iT E39 2.8L I6 M52 Touring · RWD
What this code means
Low voltage from oil pressure sensor.
Symptoms
- Low oil pressure reading
- Warning light on
Common causes
- Low actual oil pressure (DANGER)
- Short to ground in circuit
- Faulty sensor
Diagnostic steps
- IMMEDIATELY check oil level
- Test actual pressure with mechanical gauge
- Test circuit voltage
- Test sensor
Repair notes
If actual oil pressure is low, STOP ENGINE. If sensor fault, replace sensor.
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P0014
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P0015
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