Over the air infotainment update

[moobaru]

I have a 2021 Sierra 1500 AT4 with the 3.0 Duramax.  So I got a notification there was an update for my infotainment system today, it said release date was 9-13-2021 I don't recall the update number.  I did the update.  After the update I started the truck and it is idling very rough to the point that the truck is shaking, the service ABS light is now on, and the traction control is stuck in the off position.  

 

Has anyone else had this happen?  

[RCF71]

Is the battery low after doing the update?  Not sure how long it takes so curious if you had to leave the truck on, etc?

[moobaru]

It only took 11 min for the update and they said the truck must be turned off during the update.  I didn't notice the voltage being low at all after the update. I will check on that in the morning. 

[redwngr]

OTA updates on these trucks are only for the infotainment computers and not the ECM. 

Something else is causing the ABS issues and idling issues. 

 

 

Mine has been wanting in install the update too.

I it (also a 21 3.0) install today too.

 

We were out and had several stops to make.  At the first one that was going to be longer than the 10 or 12 minutes it needs I had it do the install.

 

On return to truck it said it had completed successfully. 

 

Stopped at several more places before returning home.

Truck running smoothly as it always does.

 

 

 

[moobaru]

6 minutes ago, redwngr said:

OTA updates on these trucks are only for the infotainment computers and not the ECM. 

Something else is causing the ABS issues and idling issues. 

 

 

Mine has been wanting in install the update too.

I it (also a 21 3.0) install today too.

 

We were out and had several stops to make.  At the first one that was going to be longer than the 10 or 12 minutes it needs I had it do the install.

 

On return to truck it said it had completed successfully. 

 

Stopped at several more places before returning home.

Truck running smoothly as it always does.

 

 

 

Gotta love GM and their "Reliability" 6K miles... should not have all these issues with it. 

[redwngr]

I'll take the updates as they are offered.

 

You can trade yours on something else.

[WaxOnWaxOff]

 We're having terrible infotainment troubles. Still no update for us here, the dealer is WEEKs out. We cant even use the hotspot, and havent been able to for months.

 

Onstar says to update our infotainment as its from last year (seems the dealer DOWNGRADED our infotainment when we had the original problem of no internet at purchase). I think it says Build is 105, and v155 is out now?

 

Wonder if there is any other way to get this update.

[3.0]

I live in an area where it will not download properly and I have to take it to the stealer for a proper install.The problem is until I get to the dealer the radio will not work properly even when I push the download later option. They also cannot turn this download feature off just another example of GM engineers spending HOUR of time to work the bugs out of a system they say can't fail LOL

[redwngr]

Iirc, 'Download later' will ask again before it downloads. 

You have to 'install now' at one of the times if asks.

 

 

[3.0]

That would be great but it never completes the install where I live so it just becomes a viscous circle.  Therefor the only resolve is a hard download at the dealership 100 miles away.