Okay, those CarPlay problems are real

kdonnel

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I've had the opposite experience. on 3.5.4 CarPlay had been solid. I've had more issues with 4.1.2 in a month than I ever did with 3.5.4.
That is the total opposite.

Starting with 3.1.x, CarPlay was a dumpster fire.

I had to reboot Sync almost every time I started the car to get my phone to connect. Many times I had to reboot Sync while driving as well because the connection was lost. And there was no way to reliable switch from my phone to my wife's or the other way without one or more reboots.

4.1.x has been a dream.
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Travman1974

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Check to see if your iPhone is able to connect to the wireless projection SSID. I have found that when carplay doesn't want to connect most times the wireless projection SSID is being rejected either by the phone or the car. Usually I have to reboot both to get it working again.
 

markboris

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I never chime in on these CarPlay, PAAK, iPhone threads as they seem to be all over the map. Some cannot connect ever, some are erratic and some have not one issue. I can imagine it is frustrating for so many. It is frustrating for me to even read these. That said, I have no issues using wireless CarPlay. It connects within 7-10 seconds of turning on the car and is rock solid all the time. Been like this through all the Sync and iPhone updates for the 1+ year I've had the car. On the other hand, my friend that bought my Premium uses the same iPhone 14 Pro and connecting for him is hit and miss. His car is updated to the latest Sync (same as mine) and same phone and iOS. I would sure like to know what causes this.
 

JR1108

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Yeah, you usually just have to reboot the iPhone when this happens. I haven't had it happen in a while though. I'm sure now that I've said that it will happen today haha.
Same, I just reboot the phone and it works. It may be happens once a month.
 

astrorob

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I never chime in on these CarPlay, PAAK, iPhone threads as they seem to be all over the map. Some cannot connect ever, some are erratic and some have not one issue. I can imagine it is frustrating for so many. It is frustrating for me to even read these. That said, I have no issues using wireless CarPlay. It connects within 7-10 seconds of turning on the car and is rock solid all the time. Been like this through all the Sync and iPhone updates for the 1+ year I've had the car. On the other hand, my friend that bought my Premium uses the same iPhone 14 Pro and connecting for him is hit and miss. His car is updated to the latest Sync (same as mine) and same phone and iOS. I would sure like to know what causes this.
although it's a PITA, i wonder if doing a "reset network settings" on iOS would help here. of course who knows if it would then lose the BTLE connection for PAAK and confuse the hell out of the car, but it might make sense if your friend gets desperate.

for my part i have a 23 GTPE which is running some version of sync4 which predates the OTA update everyone got, and CarPlay has been pretty solid with 2 phones.
 


MarkP213

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A better reboot of the iPhone is to press power up, then power down and then hold the power off button and continue to hold it until you get the Apple logo then let go that usually fixes all Apple related issues. Don't swipe continue to hold power off past that until you get the Apple logo. It's a more comprehensive reboot.
I believe you meant Vol up / Vol down, then hold the Power button. ??
 

AhardFSU

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Yeah, you usually just have to reboot the iPhone when this happens. I haven't had it happen in a while though. I'm sure now that I've said that it will happen today haha.
Yes this is what I have to do when ever Car Play gets wonky. Resetting/restarting my Iphone typically solves the Car Play issue.
 

astrorob

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I believe you meant Vol up / Vol down, then hold the Power button. ??
does that reboot clear boot caches or something?

i always though the button sequence was the equivalent of a hard power off, meaning the OS doesn't necessarily have the chance to sync the disk and stuff. of course with modern journaled filesystems the risk of FS corruption is lower but my perception is that reboot is a "pull the big chain" type for use when the UI gets wedged.
 

DanoiZ

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This morning, Mr. Cheese completely refused to start CarPlay.

I did everything obvious in increasing levels of doing each of these:
  • I deleted my phone from the list of phones
  • I deleted my car from Settings > General > CarPlay > Forget car
  • I rebooted Sync
  • I re-paired BT first and answered yes to all the right things to start wireless CP
  • I used a legit white Apple lightning USB-A cable after deleting all the entries
NOTHING WORKED.

The only conclusion -- which appears to be correct -- is that when CarPlay couldn't connect to the Mach-E (and the phone thought CarPlay was started, but the Mach-E's CarPlay stack wasn't functioning properly), CarPlay on the phone got into a strange state where it was unhappy and wouldn't properly initiate again. I couldn't get the phone to reset itself and stop whatever service was still running.

The only thing that worked to restore CarPlay properly was that I:
  • Deleted car entry on CarPlay
  • Deleted phone entry on the Mach-E
  • Rebooted Sync (via steering wheel)
and
  • I rebooted the iPhone (hold power + vol down, then slide to turn it off)
This last step (rebooting the iPhone) was THE ONLY thing that seemed to reset the state between the iPhone and Ford Sync. I'm wondering whether any of the other delete entry steps was actually necessary, because it seemed clear the iPhone was in a broken state in terms of CarPlay and was not restoring itself.

Thought I'd post this learning, and I won't be as quick next time to only blame Ford for CarPlay initiation unreliability issues.
That sucks! CarPlay has been working great for me for a while now. All my issues were around trying to use PAAK. Once I gave up on that and turned BT off under the Connectivity menu, it has been flawless. (KOW)
 

JohnFoxeSheets

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I don’t want to jinx anything, so hopefully I can say the following without enticing the CarPlay demons…

CarPlay has been rock solid since the updates we did in your driveway, Andy. That said, when I was having issues with it connecting previously, the one thing I found always worked was rebooting my iPhone.
 

roamtheworld

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I never chime in on these CarPlay, PAAK, iPhone threads as they seem to be all over the map. Some cannot connect ever, some are erratic and some have not one issue. I can imagine it is frustrating for so many. It is frustrating for me to even read these. That said, I have no issues using wireless CarPlay. It connects within 7-10 seconds of turning on the car and is rock solid all the time. Been like this through all the Sync and iPhone updates for the 1+ year I've had the car.
Show off!?

Also plugging in USB often helps kickstart the process. Hard restarts very rarely help in my case. I have given up on all of the deleting as it will come back and work but it’s a crap shoot.
 

voxel

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Not a Mach-E issue. My CarPlay has gone bonkers this past week on all my cars even the normally 100% reliable i4.

Not having nav in a new area is a problem - especially when the built nav (Mach-E is fine so I’m talking regular gas car) is terribad.
 

MarkP213

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does that reboot clear boot caches or something?

i always though the button sequence was the equivalent of a hard power off, meaning the OS doesn't necessarily have the chance to sync the disk and stuff. of course with modern journaled filesystems the risk of FS corruption is lower but my perception is that reboot is a "pull the big chain" type for use when the UI gets wedged.
Unlike powering it off and back on, this sequence does a true reboot, similar to when you “restart” a computer. Not the same as a full factory reset. I believe it clears whatever may be stuck in ram, possibly certain boot caches - not 100% sure. Any apps that were running in the background will be restarted when the phone boots back up. So maybe kill all apps first for a true, clean boot.
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