P250A
Engine Oil Level Sensor Circuit
What it means
P250A means Engine Oil Level Sensor Circuit.
Where it lives
For P250A, the circuit described runs through the sensor. The description of P250A reports a fault at the sensor.
Check these first
- Open or shorted oil level sensor wiring
- Failed oil level sensor
- Oil level running low enough to trip the sensor
- Corroded oil level sensor connector
What to do next
- Check engine oil level on the dipstick
- Inspect the oil level sensor wiring and connector
- Measure resistance across the oil level sensor
- Verify reference voltage and ground at the sensor
- Replace the oil level sensor if the circuit tests bad
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.