When Monitored

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

This diagnostic runs when the following conditions are met:

With the engine running.
Start up coolant temperature less than 65°C (149°F).
Ambient temperature between -8°C (17.6°F) and 50°C (122°F).
Average vehicle speed greater than 16 km/h (10 mph) until coolant temperature reaches 85°C.
Engine speed does not go above 5400 RPM for more than 32 seconds.
The pass/fail determination point is reached when the coolant temp model reaches 88°C (190.4°F).