The contact owns a 2021 Chrysler Pacifica Hybrid. The contact received notification of NHTSA Campaign Number: 24V436000 (Back Over Prevention); however, the part to do the recall repair was not yet available. The contact stated that while reversing, the rearview camera image was frozen or black. The local dealer was contacted. The vehicle was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure. The failure mileage was approximately 41,000. VIN tool confirms parts not available.