The contact owns a 2022 Chevrolet Silverado 1500. The contact stated that while driving 50-55 MPH, the vehicle shut off. The driver was able to coast over to the side of the road. There were no warning lights illuminated. The vehicle was towed to the local dealer, where it was diagnosed and determined that the engine had seized and needed to be replaced. The dealer informed the contact that the parts were on backorder. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately 43,000.