P0522critical severityPowertrain
Engine Oil Pressure Sensor/Switch Low Input
on 2000 BMW 525i 2.5L I6 M54 · 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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Other Powertrain codes on this vehicle
29CC
Misfire Cylinder 1
29CD
Misfire Cylinder 2
29CE
Misfire Cylinder 3
29CF
Misfire Cylinder 4
29D0
Misfire Cylinder 5
29D1
Misfire Cylinder 6
29D2
Misfire Cylinder 7
29E0
Lambda Additive/Idle Adaptation Limit, Bank 1
29E1
Lambda Additive/Idle Adaptation Limit, Bank 2
29E2
Lambda Multiplicative Part-Load Adaptation Limit, Bank 1