I am having same issue with Pandora on my 2015 Sierra. .  Pandora will play fine through GMC Intellilink via BT, but will not play when connected via USB.  While playing via BT, as soon as I connect USB cable Pandora crashes.  I know it is not a phone, cable or issue with my truck as I am able to play other apps (Apple Music, iHeart, etc) fine via USB on my truck.  Have tried reinstalling app and several other things I’ve read online, unable to fix it.  Works fine for months and just stopped working.  ... View more