The contact owns a 2013 Ford F-150. The contact stated while driving at an undisclosed speed, the transmission unexpectedly downshifted. In addition, the contact stated that an unknown warning light was illuminated. The contact stated that the transmission unexpectedly downshifted. The vehicle was taken to the dealer where it was diagnosed with a failed lead frame. The contact was informed that the lead frame needed to be replaced. The vehicle was not repaired. The vehicle was not repaired. In addition, the contact stated that the vehicle was repaired under NHTSA Campaign Number: 19V075000 (Power Train); in 2022. The manufacturer was made aware of the failure but provided no assistance. The contact was informed that the repair was not covered under warranty. The failure mileage was approximately 126,000.