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Radio Update

djv1951
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djv1951 Enthusiast

djv1951

Posted
Posted

I have a 2025 GMC Denali 2500hd Duramax. I took the truck in for the radio update and now Android Auto will not connect to my phone (Android) all the time ( pixel 8 with all the updates).

 

 

I took it back to the dealer and they reinstalled the info system and still doing the same thing. I have done all the changes on my phone that I have found on the internet with no luck. It worked fine before the update, any ideas?

MG386 Enthusiast

MG386

Posted
Posted

maybe try forgetting your phone from the infotainment system and re-connecting it.  If not, maybe try a factory reset on the truck.  What software version did they update the truck to?

  • 3 months later...
haoleboyZ71 Enthusiast

haoleboyZ71

Posted
Posted

Hi, New here.  2026 Denali HD.  Just purchased 7/2/26.

I am having the same issue.  I just traded in my 2024 AT4, and the truck connected to bluetooth and Android Auto Immediately!  Now, with the new HD, it connects when it wants to, which is usually not at all.  I have to use the usb-c cable to get it to connect.  Bluetooth won't even connect without the AA.

Now after saying all that, I'll take a 20 min drive with the phone plugged in.  Stop at a store, restaurant, etc....  Get back in my truck and DO NOT plug the phone in.  The truck then decides at this point, lets connect BT & AA and work perfectly, ie how it should.  

I have deleted (forget phone) the phone multiple times.  I guess I'll just get used to plugging it in every time. even though I don't think its good for the phone battery to have it on charge after it hits 100%.

I have searched all over.  No one else seemed to be having this issue, until I read this thread today.

 

thanks for reading.

newdude Senior Enthusiast

newdude

Posted
Posted
26 minutes ago, haoleboyZ71 said:

Hi, New here.  2026 Denali HD.  Just purchased 7/2/26.

I am having the same issue.  I just traded in my 2024 AT4, and the truck connected to bluetooth and Android Auto Immediately!  Now, with the new HD, it connects when it wants to, which is usually not at all.  I have to use the usb-c cable to get it to connect.  Bluetooth won't even connect without the AA.

Now after saying all that, I'll take a 20 min drive with the phone plugged in.  Stop at a store, restaurant, etc....  Get back in my truck and DO NOT plug the phone in.  The truck then decides at this point, lets connect BT & AA and work perfectly, ie how it should.  

I have deleted (forget phone) the phone multiple times.  I guess I'll just get used to plugging it in every time. even though I don't think its good for the phone battery to have it on charge after it hits 100%.

I have searched all over.  No one else seemed to be having this issue, until I read this thread today.

 

thanks for reading.

 

 

Make sure your phone software is up to date.  Some people have had issues lately with bluetooth on GM radios and their phone had a security update or something that fixed it.  

haoleboyZ71 Enthusiast

haoleboyZ71

Posted
Posted
2 minutes ago, newdude said:

 

 

Make sure your phone software is up to date.  Some people have had issues lately with bluetooth on GM radios and their phone had a security update or something that fixed it.  

thanks, I'll look for that now.

PhilB Enthusiast

PhilB

Posted
Posted

My truck just had a recent s/w update.  Before that my iPhone connected via BT every time.  After the update, it connected sporadically.  Seemed to NOT connect if the truck had been off a period of time.  I think I cured the issue by having the phone forget the truck in the phone BT connection screen.  Since I have re-paired the BT connection, my phone connects.  You said that you "deleted the phone several times".  I assume you mean in the infotainment screens.  Maybe try it from the phone side to see if that helps.  Just a thought.

haoleboyZ71 Enthusiast

haoleboyZ71

Posted
Posted
3 minutes ago, PhilB said:

My truck just had a recent s/w update.  Before that my iPhone connected via BT every time.  After the update, it connected sporadically.  Seemed to NOT connect if the truck had been off a period of time.  I think I cured the issue by having the phone forget the truck in the phone BT connection screen.  Since I have re-paired the BT connection, my phone connects.  You said that you "deleted the phone several times".  I assume you mean in the infotainment screens.  Maybe try it from the phone side to see if that helps.  Just a thought.

Thanks.  Yes, I removed the phone from the infotainment system, and I also removed the "my gmc" from my phone several times.  maybe it will get better with time, or I'll have to get used to plugging it in all the time.

viking59 Enthusiast

viking59

Posted
Posted (edited)

Had a similar issue with my 2025 Chevy 2500 HD. Did everything (forget phone, forget truck etc) Ended up resetting (rebooting) the infotainment system, using the "phone hang-up" button on the right side of the steering wheel, holding it down until the infotainment system reboots. All good now.

Edited by viking59
haoleboyZ71 Enthusiast

haoleboyZ71

Posted
Posted
40 minutes ago, viking59 said:

Had a similar issue with my 2025 Chevy 2500 HD. Did everything (forget phone, forget truck etc) Ended up resetting (rebooting) the infotainment system, using the "phone hang-up" button on the right side of the steering wheel, holding it down until the infotainment system reboots. All good now.

Thanks, I will try that tonight!

Byrds8 Enthusiast

Byrds8

Posted
Posted

Mine worked fine until I got an update also. After that sometimes it would not connect and Id have to turn CarPlay off and then back on for it to try to connect again. I think I have had two additional updates since this started and it has gotten better but still not perfect.

  • 2 weeks later...
haoleboyZ71 Enthusiast

haoleboyZ71

Posted
Posted

If I forget the phone in the truck, and forget the truck in the phone, and reconnect.  It works great for the day.  Truck sits overnight, and the next day is a no go.  It will connect Android Auto via usb cable, but not bluetooth.  

Ive tried Everything in this thread so far, and nothing works for more than a day.

 

I think I might have to go to the dealer and have them flash the pcm.

 

thanks for all the suggestions guys. 👍

newdude Senior Enthusiast

newdude

Posted
Posted (edited)
3 hours ago, haoleboyZ71 said:

If I forget the phone in the truck, and forget the truck in the phone, and reconnect.  It works great for the day.  Truck sits overnight, and the next day is a no go.  It will connect Android Auto via usb cable, but not bluetooth.  

Ive tried Everything in this thread so far, and nothing works for more than a day.

 

I think I might have to go to the dealer and have them flash the pcm.

 

thanks for all the suggestions guys. 👍

 

 

PCM?  These don't have a "PCM".  Powertrain Control Module.  They have an ECM (Engine Control Module) and TCM (Transmission Control Module).

 

Do you mean update the radio?  

 

You can check what version you have in the settings page.  Should be Y181 but there might be a newer build they can update it to.  

Edited by newdude

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