IOS upgrade to 18.6 causing wireless CarPlay to fail

Question

Level 1

12 points

IOS upgrade to 18.6 causing wireless CarPlay to fail

Two different Honda vehicles, two different wireless CarPlay devices. Everything worked fine until the IOS 18.6 upgrade this week. Previously, when you started the car with the device plugged in and your iPhone nearby, CarPlay would come up with the map display. Now, with the device plugged into the vehicle and the car started, half the time the device's connection screen stays up and locks. Looking at the phone's Bluetooth settings, the device shows "connected." Unplugged the device and reconnected; no joy. Unplugged and restarted the car; no help their, either. Forgot the device in the iPhone and re-paired; no help.

I tried to hard-wire it, but I think I was using a power USB-C cable. Going to try a know USP-C Data cable when it fails next.

Anybody experiencing similar issues?

iPhone 16 Pro, iOS 18

Posted on Aug 8, 2025 10:17 AM

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Answer 1

Aug 18, 2025 03:15 PM in response to BobMaleckar

Same here but a RAM truck. Can't even find it now. Worked right before update, no good after... tried forgetting the car, tried re-pairing and it will sometimes pair to the phone just never to CarPlay

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Answer 2

bubba198

Level 1

8 points

Aug 18, 2025 04:50 PM in response to BobMaleckar

I totally agree that iOS 18.6 broke CarPlay in many ways, some yet to be identified. In my case I used to get pop up message whenever new text has arrived while viewing any screen other than CarPlay. Now - no visual indication. I actually have to look at my iPhone lol or keep driving with the CarPlay screen selected all the time, otherwise I won't see new texts

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Answer 3

BobMaleckar Author

Level 1

12 points

Aug 19, 2025 02:06 AM in response to BobMaleckar

What finally seemed to work for me: do a hard reset on your iPhone AND on your vehicle’s CarPlay device (audio, screen, “infotainment,”) whatever it’s called. Delete the Bluetooth entry and pair them again.

Google on how to do a hard reset. It does not mean “turn it off and turn it back on”

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Answer 4

Yeguo

Level 1

8 points

Aug 19, 2025 03:32 PM in response to BobMaleckar

same issue here since last 18.6.1 update I’m not able to use CarPlay on my Audi A3.

iPhone has been rebooted, unpaired and paired again and still no CarPlay comes up when usb cord is connected. Cable is also replaced and no success. Really annoying issue.

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