OBD-II code · Powertrain (generic, extended)
P250C Engine Oil Level Sensor Circuit Low
The oil level sensor signal voltage reads below the lower limit, typically a short to ground or an open at the reference end of the sender. The ECM treats the input as invalid and ignores oil-low warnings until the circuit is repaired.
Is it safe to drive with P250C?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySignal wire shorted to ground
- PossibleSender shorted internally
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Oil Level Sensor, Sensor Wiring
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.