When Monitored

WARNING: This page is about a different variant/trim than selected.

This diagnostic runs when the following conditions are met:

Battery voltage between 11.0 volts and 15.8 volts.
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 are greater than 9°C (48°F).
The O2 Sensor heater temperature is greater than 401°C (754°F).