OTA Update GM N22-238206 HVAC Quirk

[WalleyeMikeIII]

I know, I saw it. If they want to keep messing with it and letting me accumulate totals days out of service for lemon law that is their problem.

So, let me get this straight. You know the issue is known by the manufacturer, you’ve shared that info w/ the dealer, and you still take the truck in to have them try to fix it, even though you know there is not yet a fix…only to run the clock up to force a lemon law discussion?

 

[StephenPT]

So, let me get this straight. You know the issue is known by the manufacturer, you’ve shared that info w/ the dealer, and you still take the truck in to have them try to fix it, even though you know there is not yet a fix…only to run the clock up to force a lemon law discussion?

Right? Just sell it and move on... or turn down the fan knob.

 

[509Yukon]

Could it be possible you are missing what I said in a prior post, re-read it. A General Motors employee told them to get it in to look at that button on the steering wheel. This isn't the dealer doing a fishing expedition on their own, the manufacturer has been in communication with them and the day I posted a GM service rep in person at the dealership told them to get the Yukon back in and evaluate and likely replace that switch. You can go on all day long about a bulletin but does that mean it is impossible for engineering to communicate with their staff internally to look at options in the field when they have a vehicle which exhibits this issue nearly 100% of the time?

Cool your jets boys. My point still stands, I don't see this fixing it and only accumulating more days down but again, this next visit is at manufacturers request so we will give it a try.

 

[genestoy]

Picked up my Yukon from the dealer yesterday and yet again they claimed another dose of software update per GM had fixed the HVAC fan speed issue and the instrument cluster going out. Today after starting it the HVAC fan speed dropped again along with the occasional Google Speech error message. I took a photo of the error message and sent it to the advisor.

He called me 15 minutes later and said a GM service rep was at the store and he just showed him the picture and described what they have been struggling with. This GM rep said the fan speed problem is possibly tied to an issue with the talk button on the steering wheel sending an erroneous signal and told them to get it in to check out that button.

Of course I then pushed the button a number of times triggering Google on the media screen and it came up fine, lowered the fan speed, and also returned the fan speed to normal after timing out each and every time. I can't imagine the button is the problem but a service appointment is set for next week and we will see what they come up with.

Just picked up my Yukon after doing the park assist retrofit and I mentioned this to my service advisor who contacted his no 1 tech and the tech stated that he personally has been in touch with a GM engineer about this issue and it has nothing to do with the talk button, but in fact it is a software issue and GM is well aware of it and working on a fix. Because there are so many things controlled by the software it is not just a simple fix as there are other things going on that fixing one thing can cause other problems to appear.

 

[Reels]

About a week and a half ago, I had my Yukon in for an oil change and the service manager updated with the latest software that recently came out for the infotainment system. It did not fix the problem with the blowers slowing down after start up.

But..... The next morning an over the air update prompt came up and I did the update in the driveway. Knock on wood, but it has been acting normal this last week. Yay~

 

[mikepankau]

I just checked mine - still no update available. Maybe it will take some time to deploy to everyone?

 

[WalleyeMikeIII]

About a week and a half ago, I had my Yukon in for an oil change and the service manager updated with the latest software that recently came out for the infotainment system. It did not fix the problem with the blowers slowing down after start up.

But..... The next morning an over the air update prompt came up and I did the update in the driveway. Knock on wood, but it has been acting normal this last week. Yay~

Can you do 2 things for us:
1) Look on yoru MyGMC app, vehicle status, vehicle updates, and tell us what update was just installed "the next morning"
2) Do a Settings -> Vehicle -> About and take a pick of the infotainment screen to let us know what version of software you are now running.

 

[mikepankau]

Does anyone have any new info or updates on this? It's been a few months now and it is still a daily problem for me!

 

[StephenPT]

I have not seen an OTA update in over 2 months - they were coming in more frequently before that. Hopefully that means they are doing a better job of quality checking these releases before they are issued, but I won't hold my breath... FWIW the last update I received was N23-2411560 at the end of August.

 

[WalleyeMikeIII]

Does anyone have any new info or updates on this? It's been a few months now and it is still a daily problem for me!

I actually opened a case w/ GM Customer Service on this topic, as it is really getting annoying.
As of last week there was no fix available.
P.S. I referred them to this thread and the linked Document from the NHTSA web site that GM published...took 3 conversations to convince them they have a known problem...but the CSR eventually got the picture.
I asked how I will be notified when the fix is available...they have been radio silent since I asked that.

 

[WalleyeMikeIII]

Anyone w/ Alldata Subscription, can you check for PIT6032C (is a subsequent revise to PIT6032B published on Nov 3, 2023). The C version is not yet avaiable on NHTSA.gov web site...

#PIT6032C - Unwanted Reduction In The Front HVAC Blower Speed and Loss of Audio - (Nov 2, 2023)

#PIT6032C - Unwanted Reduction In The Front HVAC Blower Speed and Loss of Audio - (Nov 2, 2023). Service Bulletins - Service manuals, electrical schematics and bulletins for 1995 to current GM vehicles.

www.repairprocedures.com

Possibly just adding to the list of affected vehicles?

 

[WalleyeMikeIII]

https://static.nhtsa.gov/odi/tsbs/2023/MC-10246261-0001.pdf

This TSB for Y171 software seems to imply it may have the fix for this??

 

[WalleyeMikeIII]

After driving my rig four about 2 weeks now, after getting the Y171 software, I am happy to report:
No Audio Cutout shortly after startup
Auto HVAC operation appears to be back to normal again...

Autoconnect of CarPlay still hit and miss...
I am sure there are still some bugs...had a "Starting SirriusXM" message happen, but it was rainy with a dense fog; so maybe that was part of the issue...

 

[mikepankau]

Did you have to go to the dealer to get this update or did it come over-the-air?

 

[WalleyeMikeIII]

Did you have to go to the dealer to get this update or did it come over-the-air?

Dealer installed it.

 

[mikepankau]

Got it - I'll reach out to the dealer! Can't wait to get this fixed.

 

[mikepankau]

Just to close the loop on this for anyone having the same problem - the dealer installed the Y171 update and my audio drop-out issues have not recurred since then. Took about 2 hours at the dealer.

 

[dwilli1980]

Same here. Just took the Y171 update bulletin to the dealer when I had a scheduled oil change. They ran the update and, so far, problem is completely fixed.

https://static.nhtsa.gov/odi/tsbs/2023/MC-10246261-0001.pdf

 

[WalleyeMikeIII]

I’m still on 171, I get the audio dropout, but now it’s more like 30-40s after startup vs right after it. That said, I’ll take it vs the blower slowing down.

 

[mikepankau]

Unfortunately this has become true for me as well. A few audio drops vs. the A/C not running when it should is manageable!