Noises During Shifting problems of the 2013 Nissan Juke

Tl-the contact owns a 2013 Nissan Juke. Transmission hesitated after gear shift selector placed in reverse, loud noise heard before transmission responded taken to independent mechanic but not diagnosed. Instead referred to transmission specialist manufacturer contacted. Case number: 35813594 while attempting to reverse out of the driveway, the gear shifter was placed in reverse however, there was a hesitation in the response of the vehicle with an abnormal sound. Additionally, on several occasions while driving at up to 65 mph without warning, the vehicle downshifted to a lower gear. The vehicle was taken to an independent mechanic who was unable to diagnose the vehicle. The contact was referred to a transmission specialist to have the vehicle diagnosed which was still pending. The vehicle was not repaired. Coggins Nissan on atlantic in jacksonville located at 10600 atlantic blvd, jacksonville, FL 32225, (904) 302-8231, was called and notified of the failure. The manufacturer was also notified of the failure. The contact was provided case number: 35813594. The approximate failure mileage was 85,000. "piir = y". Ah.