Fault Code B0520
Code meaning, symptoms, possible causes, part number, and estimated cost.
B0520
Oil Pressure Gauge Circuit Fault
This code indicates a fault in the engine oil pressure gauge circuit. This causes the oil pressure gauge on the dashboard to display incorrect readings or no response, preventing the driver from detecting critical engine lubrication issues.
Part Details
Part Name
Oil pressure sensor
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪350 - ₪900
Engine Location
On the engine, usually near the oil filter
Symptoms
- Oil pressure gauge not working or inaccurate
- Oil pressure warning light on without reason
- Engine making unusual noises (possible actual lack of lubrication)
- Warning message on dashboard
Possible Causes
- 1Faulty oil pressure sensor
- 2Damaged or shorted wiring
- 3Blown fuse
- 4Problem with the instrument cluster
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