When Monitored

WARNING: This page is about a different car, the 2014 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic runs continuously when the following conditions are met:

With the engine running after a cycle when a complete engine warm up was achieved
The difference between engine coolant temperature and ambient air temperature less than or equal to 10°C (50°F)
Battery voltage greater than 10.0 volts