2017 GMC Yukon: complete transmission failure

Filed Apr 8, 2026 · Transmission · MT

The 2017 GMC Yukon has serious transmission issues that GM continues to ignore, and it is going to get someone hurt. I was stopped at a red light, and when it turned green, I pressed the gas pedal but the car would not move. I pressed harder, and then it suddenly lurched forward about 30 feet. If there had been a car in front of me, I would have hit them and likely caused injuries. When I took it to the dealership, they said it needed a full transmission replacement, which was not covered. I had to pay out of pocket. I was only about $10,000 outside the warranty when it failed, and GM refused to stand behind their product or help in any way. I was already financing the vehicle and should not have had to pay for a new transmission on a car that was less than four years old with relatively low miles. This is not just my experience. Many others have had the same issue. GM knows about it and chooses not to acknowledge it. They are lucky no one has been seriously injured or killed because of it. Going to attach all of the proof of people "coincidentally" experiencing the same issue.

Filed Dec 29, 2025 · Engine · WV

I started noticing issues with my transmission around 55,000 miles on it. It first started with no noticing that it wouldn’t gear down when it needed to, and then when it finally did gear down, it would really jerk the vehicle. I started calling GMC then and questioning and putting in a claim. Just went back-and-forth four months. Now it was getting worse to where I could feel the transmission slipping it wouldn’t kick into upper gear or lower gear. Again, I was still calling GMC and reporting these issues. I was told to take it and have a transmission oil change, which I did costing me $300. I still noticed this problem and I continue to call. I kept being told that they would have somebody call me back which nobody ever called me back to find out specifics. I took it to a GMC garage have them put it on a machine, and I was told that it needed a new transmission and this wasn’t something GMC was covering. This new transmission cost me $6200 and was done on 1/5/25. Please remember this vehicle only had 64,000 miles on it, which is absolutely ridiculous to need a transmission at this mileage. I again had called in January 2025 reporting this and was told someone would call me back and never heard from them.

Filed Jul 15, 2025 · Transmission · VA

116k miles and the transmission went out. Spent almost 6k on a jasper to replace it. I don’t think I need to explain what happens when a trans goes out. It did all of those things.

Filed May 7, 2025 · Brakes, Engine · FL

[XXX] Please call me to discuss this matter on my GMC Vehicle. [XXX] Yukon GMC This might not be your department but lead me to the right area local, federally or the federal safety agency so I can discuss these issues in detail Issues I have had that are not normal and maybe need to be on a recall or on consumer alert list for major defects on major components Brakes losing total traction had to be fixed unannounced (recall) Rear Tail lights giving up , had to be replace (Recall) AC system failing had to be replaced Paint completely fading on hood prematurely Transmission failure, had to be overhauled Engine Failure with need of Lifters All the above high cost to fix and having no vehicle in the interim . These issues have been during the warranty and now out of warranty. Other cars do not have these many issues. [XXX] [XXX] On Friday, April 25, 2025 at 01:05:11 PM EDT, [XXX] [XXX] > wrote: Attention Mary Barra I am very disappointed that my 2017 Yukon has engine failure now (lifters issue). I am expecting to get help from your office and see what you can do to resolve this matter . I have owned multiple vehicles including Mercedes SUV and BMW SUV with no problems like this.. I have had nothing but problems for just over 100k miles vehicle that is still considered fairly new . Most vehicles offer warranties up to minimum 100k longer than yours especially with engine failure Please contact me to discuss this and see if you can cover the issue at hand . I am not sure who i need to be contacting to resolve this issue with the local automobile dept, recalls, lemon law or any government agency that deals with this issue. I would like to resolve this issue whereby i am satisficed to purchase a vehicle like this in the near future. Currently the vehicle is at your dealership. The car was built with defects. VIN [XXX] Please call me at the below number. [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Apr 30, 2025 · Transmission · LA

Transmission went out in August of 2023, had to have it rebuilt and costed 9,000. Safety was put at risk due to car sputtering to shift gears on the highway while traveling. Problem was identified by the dealership. No light indicators were on. Vehicle now has engine starting to come on periodically and when trying to diagnose it is giving fuel efficiency codes.

Filed Mar 31, 2025 · Transmission · IN

RPM’s started to fluctuate while driving with cruise on. Noticed no issue with shifting until torque converter grenaded blowing metal through the transmission 2 days later. Transmission has been replaced with GM reman by a GM dealer. New transmission lags going into gear when it’s cold and shifts hard. GM tech said this is common and no way to correct it without replacing it again.

Filed Feb 3, 2025 · Transmission · CA

Clutch in Torque Converter failed at just around 60,000 miles. Vehicle had a vibration issue shortly before & I thought maybe I got a poor quality tank of gas. Filled up with new gas and problem still there. Took it to my mechanic & he told me it was a complete failure which would require a new transmission or a rebuild on existing.

Filed Jan 22, 2025 · CA

I was driving my car and it started making "clanging" and "banging" noises and jolting/jerking forward. It was scary to drive because of the noise and the jerking foward. I was afraid that my car was going to just stop working, I would get stuck/stranded somewhere or my car was going to blow up. I brought it in to the dealer two times. The first time they thought it was the battery so they replaced the battery but that didn't fix the problem. The second time I left it there for days and they told me that I needed a new transmission. The problem was reproduced and inspected by them. There were no warning lights or messages prior to the failure. The problem started on approximately January 6, 2025. Online, I have read from other sources that 2017 - 2020 GMC YUKONS are know to have transmission problems. My car only has 58,000 miles on it, has been serviced consistently, and should not need a new transmission at this low mileage point.( 150,000 to 200,000 is the norm for transmission replacement)

Filed Dec 18, 2024 · Transmission · CO

Transmission shutter causes the car to vibrate which could lead to transmission failure.

Filed Nov 8, 2024 · Driver assistance, Suspension · WI

Transmission failed on the freeway with no signs signaling issue before hand at 109,000 miles. Also lane departure does not work often. And suspension gave out at 60,000 miles.

Filed Nov 22, 2022 · Electrical, Transmission · LA

First problem started back in May.. it’s went downhill ever since. Hard shifting was happening. GM dealer said I needed a new transmission. Found out from local repair shop that I needed a torque converter ($600) multiple transmission fluid changes (apparently many issues for A Lot of people) changed that. Then had to change Valve Body & TCM. ($540) everything started working but not 100% did a full tune up having multiple misfires constantly then shuttering when idle. Also replaced ECM ($200+)After changing all spark plugs, wires, oil, etc. the AC was having issues had been having issues for months. Kept adding Freon had to replace AC Condenser (works great now, was told by repair shop that’s also very common in these year models. Condensers are all weak in the same spot) just recently October 2022, my instrument cluster started going haywire. Gauges going off and on screens going blank. Had Alternator and battery tested both test fine. No loss of power but when hitting the start/stop vehicle would continue to run and lock and unlock when it wanted. Husband took the alternator out to have it tested again. They tested 3x 1st. Good, 2nd Error, 3rd Bad ( it was overcharging at 16.5V) replaced Alternator ($290) gauges still going haywire, like before it is only sometimes, when they do it’s bad bad.. but I can also drive to town and back 20-30 miles and not the first issue. Just left GM with a new Battery Distribution Fuse Block ($153) because of course it can’t just be a regular ($8-10) mega fuse, hopefully this will fix my issue. We pay too much money for this vehicle to have all of these issues & none be under warranty. I’ve been having the TAILLIGHT ISSUES as well ever since I purchased the car in 2018. When I received the recall on the taillight it was 6 years up to 72,000 & of course my vehicle had 79k miles on it at that time so that’s wasn’t covered.

Filed Feb 9, 2022 · Engine, Fuel system · KY

The transmission failed while merging and almost caused a collision. After a complete transmission replacement, the fuel injectors failed causing the same issue. GM extended fuel injector warranty due to the number of similar issues, but not in my state.