The contact owns a 2013 Ford F-150. The contact received notification of NHTSA Campaign Number: 19V075000 (Power Train); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that while driving at various speeds, the transmission unexpectedly downshifted to 1st gear, the vehicle shuddered, skidded, and the rear wheels locked up. The contact was able to coast over to the side of the road. The power train warning light was illuminated with the wrench symbol and the air bag warning light briefly before the vehicle went into LIMP Mode. The contact detached the battery and waited for a while before reattaching the battery, restarting the vehicle, and continued driving. The contact stated that the failure occurred approximately every 5 miles. The dealer was contacted and decided to charge the contact to diagnose the vehicle to determine the cause of failure, instead of completing the recall repair free of charge. The manufacturer was made aware of the issue and referred the contact back to the dealer. The failure mileage was approximately 145,000. Parts distribution disconnect.