The contact owned a 2020 Ram 2500. The contact stated while her employee was driving up a low-grade inclined road, and towing a light trailer at approximately 35 MPH, he had noticed white smoke issuing from under the hood. The contact stated the driver had not noticed any warning lights. The contact stated that her employee stopped the vehicle and as soon as he had exited the vehicle had burst into flames, which started under the hood and then ignited the passenger cab in a matter of seconds. The vehicle and trailer were totally engulfed in flames prior to the fire department arriving. The contact stated that the fire department was called and extinguished the fire with water as well as the road surface and grassy areas on the shoulder which were also on fire. The contact stated that the fire marshal had written a report. The vehicle was towed to an impound lot and declared a total loss by the contact's insurance provider. The contact had related the failure to NHTSA Campaign Number: 22V835000 (Power Train) for which she had received a notification and was unable to schedule a recall appointment due to lack of staffing at the dealer. The manufacturer had been informed of the failure. The failure mileage was approximately 5,000.