The contact owns a 2019 Buick Encore. The contact stated while driving at various speeds, the vehicle loss motive power and stalled with the check engine warning light illuminated. The contact also stated that the vehicle failed to start-up after several attempts with the check engine warning light illuminated. The vehicle driven and towed to several different dealers however, the mechanic was unable to determine the cause of the failure. The engine was replaced however, the failure persisted. Upon investigation, the contact discovered NHTSA Campaign Number: 20V668000 (Power Train) which he linked to the failure. The manufacturer was notified of the failure but offered no assistance. The vehicle was not repaired. The failure mileage was 60. Consumer stated vehicle was in an accident and could not engage the brakes at the time.