Engine Oil Pressure Sensor Circuit Low Voltage
Engine · Lubrication
The oil pressure sensor is reporting a voltage below the minimum expected threshold. Could mean critically low oil pressure, or the sensor or wiring has failed. Always check oil level and pressure first before assuming sensor failure.
- Failed oil pressure sensor (reading low)Most common
- Actual low oil pressure (low oil level)Most common
- Short to ground in sensor wiringCommon
- Oil pump failureLess common
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Frequently asked questions
What does P0522 mean?
The oil pressure sensor is reporting a voltage below the minimum expected threshold. Could mean critically low oil pressure, or the sensor or wiring has failed. Always check oil level and pressure first before assuming sensor failure.
Is P0522 serious?
Check oil level immediately — may indicate real low oil pressure.
How much does it cost to fix P0522?
Repair costs for P0522 range from $75 – $200 depending on the root cause and your vehicle.
Can I drive with P0522?
No — this code indicates a serious issue. Stop driving and have the vehicle inspected immediately.