P0117 Engine coolant temperature circuit low input

P0117  Engine coolant temperature circuit low input

Check Conditions
2 seconds or more have passed since the staring sequence was completed.
Judgement Criteria
Engine coolant temperature sensor output voltage has continued to be 0.1 volt or lower [corresponding to coolant temperature of 140°C (284°F) or higher] for 2 seconds.


- Engine coolant temperature sensor failed.
- Open or shorted engine coolant temperature sensor circuit, or loose connector.
- PCM failed.