2014 HARLEY-DAVIDSON FLHTCU Electrical System Problems

AFTER USING THE USB AS A MEDIA SOURCE, THE NEXT TIME THE MOTORCYCLE IS POWER CYCLED THE STEREO DEFAULTS TO FM AND RESETS THE FADE CONTROL. HARLEY INITIALLY SAID THIS WAS DUE TO SOFTWARE, BUT THEN CHANGED TO SAYING IT WAS NORMAL OPERATION. ON NOVEMBER 16TH, I SPOKE WITH CASE MANAGER (JOHN), WHO ADVISED THAT THIS IS DUE TO THE SYSTEM SENSING A VOLTAGE CHANGE WHEN SHUTTING DOWN. I HAVE REPLACED THE HEAD UNIT TWICE; ONCE WITH A FACTORY REFURBISHED DEVICE, AND THEN WITH A 2015 MODEL. I MUST NOTE THAT I DID NOT HAVE THIS ISSUE FOR THE FIRST 2 YEARS OF OWNERSHIP. SINCE HARLEY HAS CHANGED THEIR CAUSE ANALYSIS TWICE, THIS IS OBVIOUSLY A WIDESPREAD ISSUE. JOHN STATED THAT HARLEY HAS NOT ISOLATED THE ROOT CAUSE OF THIS PROBLEM AND IS NOW PRESENTING THIS THE "THE WAY THE UNIT SHOULD WORK". MY CONCERN IS THAT I RODE FOR...