The contact owns a 2021 Jeep Cherokee. The contact stated that while his wife was driving 75 MPH on I-15 and accelerating, the transmission seized, and the vehicle skidded to the side of the roadway. The contact stated that the engine was running but the vehicle failed to move. There were no warning lights illuminated. The vehicle was towed to the local dealer, where codes were retrieved for the power transfer unit (PTU); but the vehicle was not diagnosed or repaired. The manufacturer was contacted, but no additional assistance was provided. The failure mileage was approximately 99,000.