I have a similar issue. My CarPlay is a wired connection and I get NO sound. No music, podcasts, Siri reading texts… I can see it on the screen but nothing else.
Rsnyder27
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution