I have a similar issue, however, in my case, Carplay worked fine until I installed iOS 9. The deck still recognizes the device connected to the end of the Lightning cable. I can play music stored on the iPhone, stream from web (Apple Music, MLB, Sirius etc), control volume from my steering wheel etc but the CarPlay interface doesn't show up anymore on the 8000NEX's screen
Current firmware 1.1 installed.
iOS 9.0.2 installed on iPhone 6
I assume that since it worked before the iOS update, the cable is in USB 1 port
I see recommendations above to disable BT, but I don't quite understand the