iOS 17.2.1 kills CarPlay

Updated to iOS 17.2.1 on both iPhone 15 Pro (the iPhone) and iPhone 14. Both iPhones when connnected wired or wirelessly (via an ottocast wireless CarPlay adapter) to a Mazda CX-3 cannot activate CarPlay as usual.


Tried restarted the iPhone, renamed the iPhone. Not working.


How to revive CarPlay?



Posted on Dec 20, 2023 10:37 PM

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Posted on Jan 16, 2024 6:04 AM

Took a minute to figure out. Went into settings then CarPlay, removed ALL VEHICLES LISTED, including ones I haven’t used in awhile. Then it connected to my car just fine. Haven’t had an issue after that.

54 replies

Feb 19, 2024 7:03 AM in response to Ivan H

Just like someone else mentioned, it’s definitely an IOS 17 issue!


I’m running 17.3.1 and my daughter is still on IOS 16. My wired Carplay doesn’t immediately respond and sometimes I get an error that USB device is not supported on my stereo screen. Occasionally CarPlay will turn on but it can take anywhere from 10 mins to two hours.


What’s really annoying is my daughter - who hasn’t updated to IOS 17 yet -can plug her phone in and Carplay IMMEDIATELY turns on like it’s supposed to. It works flawlessly on IOS 16. I’m hoping Apple issues a fix soon but not holding my breath - we are three updates in to IOS 17 and nothing has happened yet.

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iOS 17.2.1 kills CarPlay

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