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:

Engine coolant temperature at start up 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).
The O2 Heater temperature is greater than 401°C (754°F).
Battery voltage is between 11.0 volts and 15.8 volts.