P0520
Engine Oil Pressure Sensor/Switch Circuit
2014-2021 BMW i3 Range Extender
High SeverityPowertrainGeneric (SAE)
Description
Malfunction in the engine oil pressure sensor circuit.
Symptoms
- Check Engine Light
- Oil pressure warning light on
- Gauge reading incorrect
Common Causes
- Faulty oil pressure sensor/switch
- Wiring damage
- Low oil level
- Low actual oil pressure
Diagnostic Steps
- CHECK OIL LEVEL FIRST
- Test oil pressure with mechanical gauge
- Test sensor resistance
- Inspect wiring
- Check oil pump condition
Repair Notes
ALWAYS verify actual oil pressure with mechanical gauge first. Low oil pressure can destroy an engine.
Related Codes
Other Powertrain Codes
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0118ECT Sensor 1 Circuit High Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
P0520 on Other Vehicles
Common Questions
What does code P0520 mean on a 2014-2021 BMW i3?
P0520 stands for "Engine Oil Pressure Sensor/Switch Circuit". Malfunction in the engine oil pressure sensor circuit.
What are the symptoms of P0520 on a BMW i3?
Common symptoms of P0520 include: Check Engine Light, Oil pressure warning light on, Gauge reading incorrect.
What causes P0520 on a 2014-2021 BMW i3?
Common causes of P0520 include: Faulty oil pressure sensor/switch, Wiring damage, Low oil level, Low actual oil pressure.