The contacts husband owns a 2018 Ram 2500. The contact stated that while driving at various speeds on several occasions, the vehicle started shaking and lost motive power. The contact stated that the message ‘Transmission Hot’ was displayed and the check engine warning light illuminated. The vehicle was taken to a dealer where it was diagnosed and determined that the transmission needed to be replaced. The vehicle was then taken to an independent mechanic where it was diagnosed and determined that the transmission needed to be replaced. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was 79,790.