When Monitored

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic runs when the following conditions are met:

Battery voltage between 11.0 volts and 15.8 volts.
O2 Sensor Heater temperature is greater than 401°C (754°F).
Engine coolant temperature and Ambient temperature are greater than 7°C (45°F).
The difference between coolant temperature at engine start and ambient temperature is greater than 9°C (48°F).