The contact owns a 2014 Nissan Sentra. The contact stated while driving approximately 35 MPH, the vehicle jerked and lost motive power. The contact depressed the accelerator pedal, but the vehicle failed to respond as needed. The check engine warning light was illuminated. The contact was able to coast to the side of the road. After several attempts, the vehicle restarted; however, the contact stated that the vehicle hesitated while driving. The vehicle was taken to an independent mechanic who diagnosed the vehicle and determined that the transmission had failed and needed to be replaced. The vehicle was repaired. The contact stated that two years later, while driving approximately 35 MPH, the vehicle jerked and lost motive power. The check engine warning light illuminated. The vehicle was taken to the dealer, who diagnosed that the transmission had failed and needed to be replaced. The vehicle was not yet repaired. The manufacturer was informed of the failure. The failure mileage was approximately 56,000.