The contact owns a 2021 Ram 3500. The contact stated while driving at an undisclosed speed, the engine temperature gauge became extremely elevated. The contact pulled over to the side of the road and an independent mechanic briefly inspected the vehicle and informed the contact to refill the coolant reservoir. The contact refilled the reservoir and after driving for approximately thirteen minutes, the failure reoccurred. The vehicle was towed to an independent mechanic where it was diagnosed that the EGR cooler and EGR valve needed to be replaced. The vehicle was not repaired. The contact related the failure with Emissions Recall: VB6 (Diesel Engine Calibration); however, the vehicle was not included. The manufacturer was not made aware of the failure. The failure mileage was approximately 190,000.

- Antelope, CA, USA