The contact owns a 2018 Ford Edge. The contact stated while driving at an undisclosed speed, the vehicle unexpectedly jerked with the check engine warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed that there were metal shavings inside the torque converter, which caused the transmission to fail. The contact was informed that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 79,000.