2016 NISSAN VERSA NOTE Power Trainautomatic Transmission Problems

The contact owns a 2016 Nissan Versa Note. The contact stated while driving at 70 mph, the vehicle would inadvertently decrease in speed to 30 MPH. The contact stated that the RPMs would fluctuate while driving. The contact stated no warning light was illuminated. The vehicle was taken to an independent mechanic but could not be diagnosed by an unauthorized dealer. The vehicle was not repaired but the contact had an oil change. The vehicle was then taken to a local dealer where it was diagnosed with nothing to be replaced. The vehicle was not repaired. The contact then stated two days later, the contact heard a loud scraping noise coming from the engine compartment. The contact then took the vehicle back to the same dealer for a second time where it was diagnosed with the transmission needing to be replaced due to metal shards being found in the transmission...