P0199: Engine Oil Temperature Sensor Intermittent
MediumPowertrainEngine Oil System
What does P0199 mean?
P0199 is a diagnostic trouble code indicating "Engine Oil Temperature Sensor Intermittent". A sensor in the engine oil system is reporting abnormal data or has lost communication with the ECU. Sensors can fail due to age, contamination, heat exposure, or wiring issues.
Common causes
- Faulty engine oil system component
- Wiring or connector issue in the related circuit
- Failed sensor providing incorrect readings
- Software/calibration issue requiring ECU update
- Related component causing secondary fault
What should you do?
Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.
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Code P0199 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.