When Monitored
WARNING: This page is about a different car, the 2019 RAM 3500 HD and 2019 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Whenever the engine is running. The L/R clutch volume index (CVI) is updated during a 3-1 or 2-1 manual (ERS) downshift with throttle angle below 5 degrees. Transmission temperature must be at least 43° C (110° F).