P0196
Engine Oil Temperature Sensor Range / Performance
Engine oil temperature sensor signal is within electrical limits but implausible (no warmup change, contradicts coolant temperature).
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Sensor driftedCommon
- Sensor stuckPossible
Parts involved
- Engine Oil Temperature Sensor
P0196 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.