Powertrain
generic / SAE
P0520
Engine Oil Pressure Sensor or Switch A Circuit
A general circuit fault on the engine oil pressure sensor or switch A. Without a valid oil pressure signal the ECU cannot warn the driver about loss of oil pressure - a critical engine-protection function.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 20
Possible causes
- Open in sensor or wiring high
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 80–280 €
- Estimated time: 0.4–1.4 h
- Component: oil pressure sensor a
- MIL / check engine light
Sources
References
sae:J2012