CarPlay and iPhone 12 Pro Max

[nobrainer]

Since my wife and I upgraded our phones from 11 Pro max to 12 pro max, it seems as if our vehicle is no longer recognizing when our phone(s) are connected for car play. They connect via blue tooth, they register the cable is plugged in and charging, but CarPlay will rarely pop up on the infotainment. It went from working (nearly) every time with our 11 Pro Max phones, to only working about 1 out of 3 days (or sometimes after extended power off time for the vehicle - many hours but never anything scientific, but short on/off like at a light or waiting for food at a drive through is not long enough).

We've unpaired BT, rebooted the phones, re-paired BT, changed cables, 2 different iPhone 12 Pro Max phones.

I was going to reach out to Apple, but I'm not sure how much help they would be.

 

[wrg404]

Did you also reboot the audio system in the car? That helped me, but I have different phones.


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[Lou Hamilton]

Make sure that you are not getting the message on your Lock Screen about an incompatible device.

Mine works 100% if I quickly unlock my phone before plugging it into the cable.

Without unlocking it, it is still a very high hit rate. Only once since I bought the phone. My iPhone X was horrible at connecting to my CarPlay.


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[nobrainer]

@Lou Hamilton I haven't received that error about the Lock Screen and I've tried having my phone unlocked before plugging it in as well as after. Weird.


@wrg404 - how does one reboot the audio system (I guess I could google it, but if you got a link or quick how to that would be awesome).

Thanks!

 

[wrg404]

SYNC 3 System Reset
The system has a System Reset feature that can be performed if the function of a SYNC 3 feature is lost. This reset is intended to restore functionality and will not erase any information previously stored in the system (such as paired devices, phonebook, call history, text messages, or user settings). To perform a System Reset, press and hold the Seek Up (>>|) button while pressing and holding the Radio Power button. After approximately 5 seconds the screen will go black. Allow 1-2 minutes for the system reset to complete. You may then resume using the SYNC 3 system.


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[Lou Hamilton]

@Lou Hamilton I haven't received that error about the Lock Screen and I've tried having my phone unlocked before plugging it in as well as after. Weird.


@wrg404 - how does one reboot the audio system (I guess I could google it, but if you got a link or quick how to that would be awesome).

Thanks!

Also, make sure on the iPhone that you toggle the switch to Allow CarPlay While Locked.

Settings > General > CarPlay > SYNC 3


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[LokiWolf]

The less verbose version:

Press and hold the Radio Power Button and Next Track Button at the same time. 5 seconds is not always long enough. Press until the screen turns black, then release.

As for the original problem...what is your Sync Version Number? 3.X.XXXXX Please post that.

Also, I know you said you unpaired BT, but did you go in to the CarPlay setting on Sync and remove all there? Also go in to settings on the iPhone and remove all CarPlay known devices. Then pair again.


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[Dice Roll]

My phone connected this week, but on calls it wouldn’t have any audio. Showed normal operation on the screen, unpaired it, still no better. Will try the reset.

 

[MxRacer965]

I have 12 Pro, not the Max, but connects without issue every time I’ve plugged in that I can think of. Always connects to BT no problem as well when I’m not using CarPlay.

I find I don’t use CarPlay that much in my Expedition. I use it every week in my rental cars. This last week I was introduced to the magic that is wireless CarPlay in my rental BMW 740i. Now I wish I had it (wireless CarPlay, not the beemer)!

 

[5280tunage]

Rental 740i? Holy nice rental. I thought getting something like a yukon, expy, or ram was cool when I traveled for work. Pretty sweet.

 

[MxRacer965]

Rental 740i? Holy nice rental. I thought getting something like a yukon, expy, or ram was cool when I traveled for work. Pretty sweet.

The nicest I’ve had ever in nearly 20 years of travel. Previously the nicest I had were Infiniti’s out in Salt Lake City. This past week was Boston. I’ve traveled pretty much every week since July (4 flights/week) so I’ve been complimentary upgraded to First for a while, this week was the first time I was upgraded to a genuinely nice car. I’ll take it!

 

[armoredsaint]

same issue here, i have the 12 promax, but it's been happening with my 11 Promax previously and even my company iphone too. the sync 3.4 *** is so glitchy. i ranges from instant connect to about 5 mins or so. it even told me my cord is damaged, i even tried different OEM apple cords as a test, the same issue. it happens with both USB ports also.

 

[LokiWolf]

same issue here, i have the 12 promax, but it's been happening with my 11 Promax previously and even my company iphone too. the sync 3.4 *** is so glitchy. i ranges from instant connect to about 5 mins or so. it even told me my cord is damaged, i even tried different OEM apple cords as a test, the same issue. it happens with both USB ports also.

Which version of 3.4 are you on? There have definitely been some glitchy revisions...


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[nobrainer]

Thanks all! I asked the dealer to take a look at it while they repaired my sunroof a 2nd time, I’ve driven the vehicle on 3 separate days since then and every time it’s worked. They said they updated sync, but I don’t recall the version that was there previously so I can’t confirm.

If it starts to get funky again I will try the reset and/or sync 3.4.x


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[sixstring]

I have a 3 month old 2020 platinum and a week old 12 pro max and all seems to work ok.

I am using the apple supplied usb-c to apple proprietary connector to the 12 pro max.

 

[Deep8174]

Hello. Have you tried a different wire? Both USB-A and USB-C works for my iPhone 12

 

[Dice Roll]

My phone issue fixed itself today. Calls worked perfectly. I didn’t do anything to reset expy, or any new updates for iPhone.

 

[APW411]

Had that issue the first day after driving my 2020 off the lot (with my iPhone 12.) Did the reset and all has been well since!

 

[bmk1]

I couldn’t ever get the CarPlay to work on my 19 limited. I found another guy on here said to do the sync reset TWICE (hold volume/power and the forward skip button until it resets as soon as you see the white SYNC screen after the first reset then hold volume and skip again) and it worked like a charm. Time will tell if it will continue to work. I really love car play and wish it was wireless but the cord is better than nothing.. good luck

 

[bmk1]

I couldn’t ever get the CarPlay to work on my 19 limited. I found another guy on here said to do the sync reset TWICE (hold volume/power and the forward skip button until it resets as soon as you see the white SYNC screen after the first reset then hold volume and skip again) and it worked like a charm. Time will tell if it will continue to work. I really love car play and wish it was wireless but the cord is better than nothing.. good luck

Well I spoke to soon. As soon as I unplug my phone and try and plug it back in CarPlay doesn’t work again.. makes no sense.