Transmission Went out at 45100 miles Breaks don-??t work pedal gets stiff and will not engage breaks truck rolls can not drive due to breaks still doing this. Service Break system light will flash. Truck only has 55000 miles as of now Dealer replaced transmission with receipt to prove paid out of pocket. Breaks still not in working order do to dealer not being able to figure out the problem. Truck is not drivable Safety hazard Breaks not working and transmission slipping almost caused an accident while traveling at 55 mph truck loses speed tractor trailer almost slammed into my truck lucky tractor trailer was able to swerve over to other lane avoiding an accident Truck only has 55000 miles

- Jacksonville , TX, USA

The six speed transmission 6L80 failed with less then 60k miles and before it's first service due at 72k miles, I have already had the transmission repaired so the original transmission components are not available for inspection. My transmission failed when I was driving across the Coronado bridge in San Diego CA. This bridge has no shoulders to safely pull over. I had my truck towed to Cummings Chevrolet in National City CA. and they confirmed the transmission needed replacing. Yes the check engine light did come on but it was already too late to save the transmission.

- Chula Vista, CA, USA

The contact owns a 2017 Chevrolet Silverado 1500. The contact stated that while driving at an undisclosed speed, the transmission downshifted with several unknown warning lights illuminated. The vehicle was able to be restarted. The vehicle was taken to an independent mechanic but was not diagnosed or repaired. The contact was informed that the vehicle could not be diagnosed due to the check engine warning light not being illuminated. The dealer was contacted. The vehicle was not diagnosed or repaired. The contact was referred to the NHTSA Hotline for further assistance. The manufacturer was not made aware of the failure. The approximate failure mileage was 134,000.

- Geismar, LA, USA

Transmission went out at 39,000 miles!!!

- Davenport, IA, USA

The steraring wheel shutters, after a few transmission flushes, it went away but still kicks hard when going through gears. The lifters failed in my vehicle 2 times, rods were bent.

- Mount Prospect, IL, USA

The contact owns a 2017 Chevrolet Silverado 1500. The contact stated that while driving at an undisclosed speed, the vehicle briefly shuddered abnormally, and the transmission was slipping. No warning lights were illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the torque converter, which caused damage to the transmission. The contact was informed that the transmission needed to the replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 82,000. The VIN was not available.

- Glenham, NY, USA

Not sure if it is a torque converter or the transmission there are no codes reading on the computer but multiple times when driving, I will lose all power in Drive and it will take a few minutes to catch up before it goes back in the drive and accelerates

- Clinton, UT, USA

While driving to work on interstate I22 in New Albany Mississippi I suddenly noticed serging and my RPM gauge fluctuating, I immediately knew it was torque converter failure at 134,000 mostly highway miles, which is a very low amount for a truck that I really don't work or pull trailers, I can accept transmission failure around 250,000 miles but not 134,000, upon research I discovered GM had a lot of issues with it's light duty truck transmission from this generation of truck due to substandard torque converter material.

- Holly Springs, MS, USA

I spent 40k cash for my 2017 high country to find out GM great idea of AFM and no good 10 speed transmission/torque converter was made with low quality and careless parts. I'm definitely getting me a lawyer to fix this [XXX] because all I've ever wanted was this body style but all they care about is money over quality. GM and they're retail sellers knew about AFW problems and sold us [XXX] anyway. They are saying that transmission issues aren't they're fault and actually getting away with that answer. Who's else fault could it be when it's the same problem with the same model. To be an American and get [XXX] by our own is getting old. If I can get sold [XXX] I can at least get a shovel with it...so I'm getting a damn good shovel/lawyer. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

- Abbeville , LA, USA

Transmission jerks, surges ahead, clunks when downshifting and is completely unpredictable. Checked transmission fluid and everything is good. This is a serious issue as you never know what-??s going to happen

- Hawesville, KY, USA

The transmission in my truck completely failed on a busy road during rush hour. I was in stop and go traffic and after one of my stops the truck wouldn-??t move Luckily I was in the right hand lane and about 150 feet from the entrance to a parking lot and a stranger helped me push it to that lot. I had it towed to the dealership I bought it at The recite they gave me says -?? transmission pump has failed and burnt clutches-??. I have never pulled a trailer and only had 78,000 miles on my truck

- Corpus Christi , TX, USA

Shifting was noticeable with a hesitation. Dealership said it was normal. Developed into a shudder while driving. Shudder came up with transmission code and decreased power. Not driveable. Miles are less than 108k

- Wahpeton, ND, USA

Bought 4/2023 at 98326 mileage. At 7/23 major issues take place trying to drive. Taken to original dealer where purchased, at 102581. Had to replace the air conditioner and throttle body plus equaling over $3000. I had bought extended warranty at $3384. Now at 139000 miles the transmission is gone!!!

- Winchester, VA, USA

I have a tork converter that locking the transmission and causing the truck to down shift and sometimes comes to a quick stop when braking. I am afraid if a family member drives the truck it could cause them to make a dangerous move in on goin traffic. Or not stopping and hitting a person or another vehicle. It hits hard and stops while pulling the vehicle in on coming traffic especially when not exspecting it all of a sudden.

- Oxford, GA, USA

When stop and starts going you can feel that gear gets stuck and it takes a sudden jump to the next gear and goes forward.

- Tustin, CA, USA

The contact owns a 2017 Chevrolet Silverado 1500. The contact stated that when driving at various speeds, there were rattling and vibrating sensations coming from the vehicle. In addition, when driving at low speeds there was a thumping noise emitting from the vehicle. The vehicle was taken to the dealer who diagnosed the transmission needed to be reprogrammed. The vehicle was repaired however the failure persisted. The vehicle was returned to the dealer who reprogrammed and drained the transmission fluid. The dealer informed the contact that when draining the transmission, metal shavings were discovered and that it was common. The failure persisted. The vehicle was taken to a transmission auto body where it was diagnosed that the transmission needed to be rebuilt. The vehicle was repaired. The manufacturer was made aware of the failure and confirmed there was no recall and the repair was not covered under warranty due to being passed the year allowed. The manufacturer referred the contact to the NHTSA Hotline to file a complaint. The failure mileage was 10,000.

- Middletown, DE, USA

Have for over a year now had problem with torque convertor shudder had done 4 transmission flush with the new mobil one atf fluid and just recently a new GM torque convertor still have the same issues hestinating, rouch shifting feel like being rear endend have extented warrenty thur dealer where I purchase truck but they will not do anything about it do to the class agating law suit with general motor im stuck in middle

- Shenandoah, VA, USA

The contact owns a 2017 Chevrolet Silverado 1500. The contact stated while driving at various speeds, the vehicle shuddered and experienced hard downshifting. No warning light was illuminated. The vehicle was taken to a dealer where it was diagnosed and determined that the transmission needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was approximately 94,000.

- Saginaw, MI, USA

My 2017 Chevy Silverado was giving me minor issues about two weeks previously, I was coming on the road and hear like something broken in pieces. I stop at the light and when I was to go forward to continue my with driving the truck was going backwards.. so scary thanks God, I didn't press the acceleration fast I would it have hit the car on back of me. I set emergency lights and call for help.. truck was moved from the road and brought back home. Please look into this safety issue.

- Arlington , TX, USA

The transmission lost every gear but 1st, 2nd. I was driving it down the highway when it lost the gear putting myself, other motor vehicles, and pedestrians safety at risk. The transmissions are known to by others and gm to lose gears or blow and no recall has been issued to rectify the issues. the vehicle was scanned by a trusted local auto motive shop. there were no warning lamps messages or other symptoms prior to the failure. It was going down the road then slipped/sputtered, dropping in to second gear then the checking engine light came on.

- Fayetteville, NC, USA