ravilach Author

Level 1

34 points

CarPlay Disconnecting - iPhone XS Max

Dear all wise and all knowing Apple Community 🙂

I recently switched from my iPhone 7+ running iOS 12.0 to an iPhone XS Max running iOS 12.0.

I have a 2018 Audi S4 with the latest firmware from Audi.

With the switch to the XS Max, seems that my Apple CarPlay will get into a cycle of disconnecting and reconnecting

every 30 seconds or so.

I tried reverting back to my 7+ and works fine.

1. Siri is enabled.

2. The USB Lockout is turned off on the XS Max. The 7+ had the lockout turned on

but made no difference in the XS Max toggling on or off.

3. Swapped the cables to the one in the box of the iPhone XS Max and USB ports

in the car. This had no impact on the XS Max recycling the connection. The 7+ is uneffected

business as usual.

Not sure if this is tied in with the authentication issue with the charger. I go over wired carplay and the 30

second increment is suspect as that is my lockout time on the phone.

Curious if others are facing this.

Thanks!

-ravilach

iPhone XS Max, iOS 12

Posted on Oct 2, 2018 11:50 AM

Top-ranking reply

cselland

Level 1

4 points

Posted on Jan 8, 2019 6:10 PM

I solved the problem - at least for me. I have a 2018 A5 which was working just fine with my iPhone X but disconnects regularly with my xS Max.

Until - just the other day - I tried a genuine Apple lightning cable. And voila, problem is solved. I am suddenly having no issues at all, can run as many apps as I want. I even tried running Waze and Apple Maps at the same time and it was rock solid.

I have generally used high quality third-party cables (usually Anker) and have rarely had issues elsewhere. But all I can say is try the genuine Apple cable and see if it helps. It worked for me.

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270 replies

mattdsc

Level 1

4 points

Jan 9, 2019 9:48 AM in response to peregrines

Totally hit and miss at the moment for me. Had a full day of use with no issues at all yesterday......today, worked for 5 mins, then nothing.

Have ordered a Y-splitter to try, but resorted to BT Audio now as a workaround.

Hopefully apple will role out updates to manufactures soon.

Jan 11, 2019 9:48 AM in response to sleuthclt

Ok, so this improved the situation but isn't solid. I ordered the y-splitter as well, and so far so good after two days. One thing I've definitely noticed is response time is much faster. We all know that pause and wait when we wonder if the car has the signal... sometimes it connects and other times, nope. Well there's no doubt now, it's noticeably faster a connection. And that makes it feel more solid even if it's not. More will be posted later if there's something to report.

Feb 4, 2019 7:39 AM in response to jonas_j44

Today I was informed by my Audi dealer that there are no new MMI update than my current version 0211...and therefore no fix to this.

The reason that MMI versions can differ between car models is depending on selectable add-on equipment for each car...

I have one more thing to try before leaving IOS to android and that is to plug in a iPhone X model...and see what happens...

Feb 6, 2019 2:19 PM in response to jonas_j44

You and I have same vehicle—make, model, year—with same MMI and the same phone with same iOS. I don’t have the problem any longer.

Are you using genuine Apple cable? Do other devices work in your two USB ports in center console?

pache59

Level 1

26 points

Jan 9, 2019 10:05 AM in response to atari4000

Everyone needs to be submitting bug reports to Apple here: https://developer.apple.com/bug-reporting/

pache59

Level 1

26 points

Jan 16, 2019 7:43 AM in response to pache59

So it's working better with Apple maps uninstalled and having restarted but not perfect. But now when I plug in my phone I'm getting a notification that the accessory is not supported.

Jan 31, 2019 11:18 AM in response to cselland

Today I tried CarPlay in a Audi A4 2017 and it worked like a charm.

This car was running MMI version 0333.

I will contact my Audi workshop once again and try to convince them to update my MMI.

jayshep

Level 1

19 points

Oct 21, 2018 9:28 AM in response to ravilach

[Reposted from the secondary thread at CarPlay Keeps Disconnecting - iPhone XS Max. No idea why this is listed as “solved.”]

I’ve been wrestling with this problem now for exactly one month. Here’s a status update and a list of all the things that have failed to solve the problem for me.

iPhone: XS Max / 256 GB / AT&T / gold
iOS: 12.0 to 12.1*
car: 2018 Audi S5 Sportback
CarPlay: built-in
connection: Apple Lightning-to-USB connector (1 m)
symptoms: intermittent disconnections, each lasting between eight and twenty seconds, with no discernible pattern. Usually begins after a few minutes of use. Rarely can go as long as twenty minutes without it happening. Connection returns without user action, then disconnection repeats.

Here are the remedies I’ve tried that have not succeeded:

hard reset
complete wipe and reinstall from backup
complate wipe and reinstall as new
replacement unit from Apple Store
different versions of iOS. (*Note: Apparently, I’m not allowed to mention the use of any unreleased versions of iOS. An earlier post of mine was deleted for that reason. So I can’t tell you that I’ve tried the final, signed version of 12.0 as well as the public releases 1, 2, 3, and 4 of the — let’s use a different word — “bagel” of 12.1.)
deleting Google Maps from CarPlay and the iPhone
turning off Wi-Fi on the iPhone (from the Wi-Fi settings, as well as from the Control Center)
turning off Bluetooth on the iPhone
turning off both Wi-Fi and Bluetooth on the iPhone
turning off Wi-Fi and Bluetooth on the car
different cables, including the Audi OEM cable
cleaning the USB ports
reinitializing the Audi MMI system
avoiding the use of Waze
avoiding the use of the iPhone as a telephone
Genius Bar
Apple feedback site

I think that’s everything. What have I missed? Please feel free to reply with other potential remedies. Please make sure to include the car and model, the iPhone model, and the iOS version. Thanks!

Jan 7, 2019 6:58 AM in response to pache59

I would imagine it’s bigger than only Audi as well. Though to be fair, I’ve not had this problem in a variety of vehicles I’ve used as a rental while traveling for work. I’ve not had the problem in any of these vehicles:

Lincoln Navigator

Ford Excursion

Ford Taurus

Ford Edge

Ford Mustang

Ford Escape

Dodge Challenger

Chevrolet Malibu

Chevrolet Cruze

Nissan Altima

Volkswagen Jetta

Volkswagen Golf

Volkswagen Touareg

Volkswagen Transporter

Alfa Romeo Giulia

Range Rover Evoque

Volvo XC70

Volvo V60

Volvo V40

Volvo XC60

Mercedes-Benz MLK350

Mercedes-Benz B180

Mercedes-Benz C300

Renault Talisman

Renault Megane

Citroën C4

Opel Insignia

Jan 7, 2019 1:05 PM in response to mmaletestinic

Have been having the same Car Play issue with 2018 Audi Q7 since switching to new XS Max (12.1.2) from iPhone X. Tried all resets, car and phone, no luck. Never had an issue with the Q7 and my iPhone X for almost a year. Now, the iPhone disconnects every 5 minutes, rarely connects unless I unlock it first. Very frustrating, and dangerous.

Jan 7, 2019 4:42 PM in response to Bob Valeri

Same issue with 2018 Audi SQ5.

Tried all trouble shooting as described above. No success.

Sometimes I can go hours with a perfect connection. Othertimes the phone will connect and reconnect over 20 times in a 10 minute period.

I also drive a 2018 Volvo XC60 and 2018 Ford F-150 and haven’t encountered this same issue.

Jan 7, 2019 10:48 PM in response to AppleUserr1

12 Pages of Carplay Disconnects - various models and always the same issues!

I tried everything already - even bought several different models of usb-meters.

No permanent success!

Apple - you really need to fix this asap.

Jan 8, 2019 1:22 AM in response to allan134

@allen134

I don't understand why should a Y-Splitter make any difference? Does it have power-management capability?

Others mentioned USB-Meters fixed their problems - I ordered 4 different Meters - no success!

Jan 8, 2019 7:33 PM in response to AppleUserr1

Jeep Grand Cherokee Summit and iPhone XS MAX

Confirmed my Uconnect is latest version so upgrade available on the car side.

Same issue. Totally regret upgrading from my iPhone X which was stable with CarPlay. Too bad I traded it in for the XS MAX so now I am stuck as I cannot go back.

Apple, this is a brand new yet defective phone what can we do ?

Jan 9, 2019 6:42 AM in response to ravilach

Same! I'm so frustrated. I have an Audi 2018 Q5, it cuts off and on during maps and text and everything else. Never had the issue with my iphone 7. I don't see any response for fixes. Apple please help us!

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CarPlay Disconnecting - iPhone XS Max