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2022 AT4 Transmission Hesitation and/or Shudder?

OSXROB
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Bikerjon Enthusiast

Bikerjon

Posted
Posted
3 hours ago, emfollin said:

I got my truck back tonight after torque converter change. I only have a few miles on it but it feels the same. Tech wrote on RO that prior to TC change there was too mush slippage on TC lockup and that shudder is gone and some hesitation is normal due to DFM and 10 speed tranny normal operation. 

Give us an update after you have driven it for a while. It doesn't sound like they fixed your problem.

  • 3 weeks later...
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GMCustomerService
GMCustomerService

This is certainly not what we like to hear, ajs800.  Please know, customer satisfaction is extremely important to us. Our team would be more than happy to take a closer look into the concerns with you

OSXROB
OSXROB

They replaced the transmission control valve. 

ajs800
ajs800

Interesting...I will definitely be mentioning this to my dealer.     I did a ride along with my dealer tech today while truck connected to his computer and it clearly is showing major slippi

emfollin Enthusiast

emfollin

Posted
Posted

Truck is back at the shop now. Initial test

drive by technician reports normal operation. There is definitely a hesitation at low throttle. I have a feeling I’m going to be sent home disappointed again. 

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  • 2 months later...
Seth11 New Member

Seth11

Posted
Posted

I am having the same issue.  2022 AT4 with 45k miles.  It feels like the transmission disengages at about 40 mph.  I have to take my foot off of the gas and feather the pedal until it re-engages, but then it doesn't shift automatically [50 mph at about 4k rpms].  This happens about once a week.  I love the truck, but a 2 year old vehicle shouldn't have this problem.

GMCustomerService Senior Enthusiast

GMCustomerService

Posted
Posted
6 hours ago, Seth11 said:

I am having the same issue.  2022 AT4 with 45k miles.  It feels like the transmission disengages at about 40 mph.  I have to take my foot off of the gas and feather the pedal until it re-engages, but then it doesn't shift automatically [50 mph at about 4k rpms].  This happens about once a week.  I love the truck, but a 2 year old vehicle shouldn't have this problem.

We regret to hear of these challenges you are facing with your vehicle and would like to take the time to learn more. To do so, please send us an email to [email protected]. Be sure to include your Username and Forum name in the subject line with additional details. We look forward to hearing from you. 

  • 1 month later...
slothy Enthusiast

slothy

Posted
Posted

my 22 started doing this the last 1k miles or so, 39k on it now along hard down shifts from 2-1 sitting in traffic... 

  • 4 months later...
William L. Sheppard New Member

William L. Sheppard

Posted
Posted (edited)

I have a 2020 AT4 with a 6.2L. I have had all my scheduled services done at Beck and Masten GMC in Houston, TX. My truck has 74k miles on it. And it has been making a strange noise from under the truck. Took it to Mac Haik Chevrolet as Beck and Masten service went down hill. Was told my transmission pump was failing. And also told my transmission has NEVER had the fluid changed which was due on my scheduled service at 45k miles. Even though I have been getting my services done at GMC!!! So I'm being quoted $7,640 to replace the transmission!!!! I can not believe a fairly new truck that has been serviced and taken care of now needs a new transmission because the GMC dealership I trusted it too never did the work that was recommended by the manufacturer!!! This truck will be going to my son next year and I will not be buying another GM vehicle if I can not get this resolved. Nothing makes me more pissed than to be put in a position where I have zero recourse even though I did my part. PATHETIC!!!!

Edited by William L. Sheppard
CBE New Member

CBE

Posted
Posted

I am having this issue on my 22 GMC 1500 started around 34,000 miles got into dealership they replaced torque converter said it was good. Drove it home from dealership on a Friday and took it back on Monday with same issues. They sent back after another week and said they reset the computer and it needed about 500 miles to calibrate.  About 1000 miles later issue is back and took to another GMC Dealership to see if I could get a second opinion. They are telling me that it is fine and that I should only drive with it in the 2WD mode only. I previously had a 2017 GMC 1500 and I always drove with it in the AUTO mode and never had an issue. The dealership is telling that I should not drive with it in AUTO mode on the highway?  How did the technology get worse in these trucks from a 2017 to a 2022?  Anyone else have opinion on driving in AUTO mode? 

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