The contact owns a 2019 Jeep Cherokee. The contact stated while driving at an undisclosed speed, the 4WD became inoperable. The message “Service 4WD” was displayed. The contact received notification of NHTSA Campaign Number: 25V011000 (Power Train); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The failure mileage was approximately 24,500. VIN tool confirms parts not available.