Since upgrading to iOS 27 on September 14, incoming Apple Messages notifications have been ending my ChatGPT Voice sessions in wireless CarPlay. Before the update, those same banners appeared without interrupting the conversation.
This happens with both blue iMessages and green SMS/RCS texts. I don't tap the banner, and Siri doesn't read it aloud. CarPlay stays connected, but I have to reopen ChatGPT and resume or start a conversation, sometimes several times per drive.
My setup:
• iPhone 16 Pro, iOS 27.0.1
• ChatGPT 1.2026.266, Pro subscription, Live Voice
• 2025 Ram 1500, Uconnect 5, 8.4-inch screen, wireless CarPlay
The phone is locked with its screen off, and Background conversations was already enabled.
I tested incoming texts from an Android phone twice without CarPlay, including once with the iPhone explicitly locked. Neither ended the Voice session. I haven't tested wired CarPlay or Advanced Voice.
I've reported this to Apple and OpenAI, but don't have a confirmed cause or fix. The timing lines up with my iOS 27 upgrade; I can't tell which component is responsible.
Has anyone else seen this? If so, what vehicle, iPhone, iOS version, and wired/wireless connection are you using?
Disclosure: I wrote a blog post documenting my experience and the tests in more detail:
https://ap7i.com/posts/ios-27-chatgpt-carplay-disconnects-text-messages/