The contact owns a 2020 Jeep Cherokee. The contact stated that on several occasions while driving at various speeds, the check engine warning light illuminated. The contact stated that on several occasions, after driving for several miles, the temperature gauge remained at HOT(H). The vehicle was steered to the side of the road each time and turned off for 10 minutes before restarting. The vehicle was taken to a dealer where it was diagnosed that there was a malfunction in the active grill system that needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 50,000.