Uptown

I just traded my 2013 for a 2015 with ETune and am experiencing the same problem. On a recent road trip, I made sure and disconnected before turning in and it still does it. I then let the iPod Classic 160 I have run without being cinnected and it ran overnight until the battery ran down, twice, but still has the same problem of locking up when connected to the car. The dealer says there is no fix and it has to be my iPod.