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Need suggestions - After the mess I have gone through over the past 9 months, what should I ask GMC to do? Vehicle repurchased, new vehicle in shop
They should cash you out of it! I have a 2021 Yukon Denali which failed in the middle of Wyoming due to a transmission problem. No parts available. That was almost 3 months ago. No loaner, and I couldn’t make it home with a rental. Dealing with GMC was hopeless. I bought a BMW X7 and love...- mtcatgriz
- Post #20
- Forum: General Discussion
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2021 Denali Diesel 3K miles engine and transmission issues
Me too, but mine lasted longer. It stranded us in Wyoming. Finally limped into Boulder Colorado. The next morning it worked fine but stranded me again after a few miles. It’s currently disabled and has been sitting in the GMC dealer in Boulder COLORADO GMC has been most unhelpful. I will never...- mtcatgriz
- Post #20
- Forum: 3.0L Duramax Diesel Discussion
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Dead on side of road
Unfortunately I have the same trouble with my 2021 Yukon Diesel with about 67,000 miles. Onstar notified me via the display that I had an Onstar software update. We proceeded and that’s when all the trouble started. Steering engine transmission etc. That was over a month ago. It sat at the...- mtcatgriz
- Post #23
- Forum: Engine & Drivetrain
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2021 Tahoe Z71 disabled after software update
Same problem. But I updated software in Wyoming. Don’t ever do that! I watched it update. It said it was good to go but it drove funny…. Then the electronic stability light went on, then it went off, then the engine started running rough, then it would not shift, then the breaks got touchy! I...- mtcatgriz
- Post #42
- Forum: Audio & Electronics
