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iPhone is continually lowered when connect to GMC

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jjkGURU Enthusiast

jjkGURU

Posted
Posted
3 minutes ago, AJMBLAZER said:

The problem that most people have is that the phones actual ringer volume is set very low and remains so even after you get out of the vehicle.

Exactly!  The truck lowers the phone volume to almost so low you can’t hear it once you get out of your truck.   Wifey and I both have iPhones and trucks and both do it.

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Chevyfan86
Chevyfan86

The calls are missed when you leave the truck.  The phone volume can be wide open when you get in the truck and will automatically go to zero when it connects to bluetooth.  When you get out of the tr

RSmock
RSmock

https://static.nhtsa.gov/odi/tsbs/2019/MC-10169351-9999.pdf   This is the fix for the volume issue on GM vehicles with iPhone. 

Z71RST
Z71RST

I'm having the same issue. I Just upgraded to IOS 12.2 Last night and this morning in my truck, it did the same thing again. So the last 2 versions of IOS has now dropped down to 2 bars on my volume.

Ryno12 Enthusiast

Ryno12

Posted
Posted
The problem that most people have is that the phones actual ringer volume is set very low and remains so even after you get out of the vehicle.


Gotcha. I don’t experience that problem.

I typically leave mine on silent/vibrate anyway but even when mine is in ring mode, the phone’s ringer volume goes back to normal once it’s disconnected from the truck.

If it matters, I have an iPhone 11 Pro with iOS 13.2.2. Not sure what version my trucks Infotainment OS is but it’s a 2020 Sierra HD. It says it’s there’s no update available so I assume it’s up to date.
  • 2 weeks later...
VGZPRT Enthusiast

VGZPRT

Posted
Posted

To prevent iPhone from lowering volume automatically go to your iPhone Settings - Sounds&Haptics - Change with Buttons needs to be turned OFF 

Someone said this before in this post it has worked for me and my buddy I have 19 Sierra he has 19 Silverado 

good luck

 

Bob Ross Enthusiast

Bob Ross

Posted
Posted
15 hours ago, VGZPRT said:

To prevent iPhone from lowering volume automatically go to your iPhone Settings - Sounds&Haptics - Change with Buttons needs to be turned OFF 

Someone said this before in this post it has worked for me and my buddy I have 19 Sierra he has 19 Silverado 

good luck

 

This did not work for me. Mine still lowers the ringer very low. Im not sure what the problem is. 

jjkGURU Enthusiast

jjkGURU

Posted
Posted
17 hours ago, VGZPRT said:

To prevent iPhone from lowering volume automatically go to your iPhone Settings - Sounds&Haptics - Change with Buttons needs to be turned OFF 

Someone said this before in this post it has worked for me and my buddy I have 19 Sierra he has 19 Silverado 

good luck

 

That’s an OK idea if it works for you, but it means that you can’t change the ringer volume of you phone with the buttons anymore!  Most people (that I know) use those buttons regularly.  
I’m not bashing your suggestion at all, just bitching that we still don’t have a fix for this!!

eppieguy Senior Enthusiast

eppieguy

Posted
Posted
On 12/9/2019 at 8:20 PM, VGZPRT said:

To prevent iPhone from lowering volume automatically go to your iPhone Settings - Sounds&Haptics - Change with Buttons needs to be turned OFF 

Someone said this before in this post it has worked for me and my buddy I have 19 Sierra he has 19 Silverado 

good luck

 

Didn't work for me either, Iphone 11Pro

Mountain boy Enthusiast

Mountain boy

Posted
Posted

I went into several apps and disabled Bluetooth, in my case disabling Bluetooth for Facebook solved the problem, for some unknown reason many apps ask you to use Bluetooth now but they don’t need it.  I know I never use Bluetooth with Facebook but it was turned on. If you disable Bluetooth on your phone and use the cable that works too but it’s kind of a pain.

Jack Christensen Enthusiast

Jack Christensen

Posted
Posted

2019 LT Z71 Trail Boss: 9,500 Miles

I am almost positive that it is related to Bluetooth.  My iPhone 8+ on v.13.1.3 and previous versions would always experience this volume issue.  Recently, my daughter wanted to watch YouTube on my phone but didn't want the sound to play over the speakers - just the phone.  So I disconnected my phone from Bluetooth on the truck.  Since then, the volume has not been lowering when I get into my truck.  I usually connect my phone to USB & Bluetooth.  But lately, it has only been USB.  no volume issue since...  So.. Sounds like could be a Bluetooth issue!

brianmw1 New Member

brianmw1

Posted
Posted
On 12/18/2019 at 11:40 AM, Jack Christensen said:

2019 LT Z71 Trail Boss: 9,500 Miles

I am almost positive that it is related to Bluetooth.  My iPhone 8+ on v.13.1.3 and previous versions would always experience this volume issue.  Recently, my daughter wanted to watch YouTube on my phone but didn't want the sound to play over the speakers - just the phone.  So I disconnected my phone from Bluetooth on the truck.  Since then, the volume has not been lowering when I get into my truck.  I usually connect my phone to USB & Bluetooth.  But lately, it has only been USB.  no volume issue since...  So.. Sounds like could be a Bluetooth issue!

Ive had the same issue with the volume changing on my iPhone 11 Max Pro  in my 2018 Terrain, it was driving me crazy. I searched the web trying to fix this issue. Well Jack you fixed it for me! I disconnected just the Bluetooth connection and only hookup to USB/Carplay and this fixed it for me as well.

I know Apple plays loose with the Bluetooth spec so I believe its there implantation as in the past I had issues with headphones until updates would eventually fix those...

88junior Enthusiast

88junior

Posted
Posted

I just got an iPhone 11 yesterday and noticed my volume turned down as well. I turned the "change volume with buttons" selector off but haven't checked to see if it worked yet. I came from a Samsung and never had any issues with connectivity in the truck. 

anthony2558 Enthusiast

anthony2558

Posted
Posted

My Pixel 4 (android) does the same thing. This and all the other issues im having, prob just be better to find a truck pre 1990's. f all this tech. 

Daniels79 Enthusiast

Daniels79

Posted
Posted

The “Change with buttons” worked for me.... once. Next time I got in the truck, volume went down. 

Jswaze88 Enthusiast

Jswaze88

Posted
Posted

Mine did the same thing, I also noticed the truck states "phone not connected" but the phone is connected and i can send and receive calls. I wonder if this is a related issue to the Service ESC message and the recent flash I had performed by the dealer... I really wish I never took my truck for the recall... I had 0 issues until they reprogrammed the brake module. 

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