Welcome and congrats on the 133,000 miles. Can you see if it has any codes stored? That can point you to the fuse, module or other point of issue. I found this about a 2016 with a similar issue:
If you have any stored codes please post them here. Good luck on getting this behind you.
A few times mine has just disconnected Carplay, once on a trip where I was depending on the iphone's navigation. It came back next time I started it.
If you have any stored codes please post them here. Good luck on getting this behind you.