CarPlay connectivity issues on iPhone 14 with iOS 26.3.1

Morsedb wrote:

Car play Connectivity issues with IOS26.3.1…is there an update in the works to fix this issue? I have an IPhone 14

No; it is an issue with your iPhone, not with hundreds of millions of other iPhones, so an update not needed.

What troubleshooting have you done?

https://support.apple.com/en-us/105109

my partner and I have the same issue - car play connects and then jumps off or doesn't connect at all. General use of the phone has been sluggish and not was 26.3 was.