The contact owns a 2019 Jeep Grand Cherokee. The contact received notification of NHTSA Campaign Number: 24V838000 (SERVICE BRAKES, HYDRAULIC); 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 contact stated while driving 65 MPH on the highway, the vehicle started to feel heavy. The contact stated that several unknown warning lights illuminated. The vehicle was driven to an independent mechanic to be diagnosed. The independent mechanic diagnosed the vehicle with ABS communication error, power train detecting a faulty signal from the master pressure, brake pressure center stored in the module, wheel speed sensor error power train ABS module fault. The vehicle was not repaired. The electronic stability control was deactivated, Auto START/STOP was deactivated, and the check engine warning lights alternated every other day. The manufacturer was made aware of the failure. The failure mileage was approximately 79,881. VIN tool confirms parts not available.