The contact owns a 2016 Nissan Sentra. The contact stated while driving 15 MPH, the vehicle started to lose traction control. The check engine warning light illuminated. The contact stated that while attempting to shift gear, the vehicle started making a grinding sound, causing the vehicle to lose motive power. The vehicle was then taken to a dealer where it was diagnosed with transmission failure. The local dealer was contacted; however, the vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 170,000.