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The 2020 GMC Yukon is an eight-passenger SUV that is designed for busy families. The automaker wants consumers to know that it creates an “unmistakable presence.” With the electronic stability control and seat belts, the problems are downright dangerous, causing many troubles to owners.
Click on other model year to view more problems: 2018 2021 2022
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NHTSA Complaints for the 2020 GMC Yukon
| Complaint Category | Number of Complaints |
|---|---|
| Power Train | |
| Exterior Lighting | |
| Suspension | |
| Unknown Or Other | |
| Air Bags | |
| Traction Control System | |
| Tires | |
| Back Over Prevention | |
| Engine | |
| Service Brakes |
Problems with the Electronic Stability Control
Electronic stability control is needed to keep the SUV on the road safely. When any part of this system fails, occupants are put in danger.
That’s what is shown with this NHTSA review. “Lane Keep Assist not working properly. Assistance systems for parking or backing not working properly. Lane Change Alert not working properly.”
It turns out that the problems go even deeper than this. NHTSA Campaign Number 19V761000 shows that more than 650,000 vehicles might have a major defect with a wheel speed sensor. When this fails between 41 and 60 mph and while four-wheel or automatic mode is engaged, the Electronic-Brake Control Module software could unintentionally activate the driveline-protection system. If this happens, owners can expect the vehicle to pull to one side, which might cause an accident. If the Yukon causes a massive accident, there’s no question that the SUV’s presence will be unmistakable.
Problems with the Seat Belts
If a crash were to occur, occupants are counting on the seat belts to keep them safe. However, this is a basic system that is failing with the Yukon as well.
Here is an NHTSA complaint to look at. “The rented 2020 [Yukon] was stationary. A passenger sitting in the left third row seat became stuck in the seat belt. She was unable to open the seat belt clasp as it got stuck and failed to unlatch. The more the passenger struggled to unlatch the seat belt, the progressively tighter it became. Passenger could not disengage the seat belt clasp by pressing the tiny red button. Three other passengers tried to release the seat belt and could not. Passenger was trapped with a tight seat belt holding her in. Other passengers called emergency personnel who also could not release the ever tightening seat belt. Passenger was released when the Ranger cut the seat belt with a seatbelt cutting emergency tool, it was a very scary and dangerous experience. Later, some of our guests figured out that you have to press the tiny red button on the left latch with a piece of the right buckle. A passenger should be able to release the seat belt by depressing the red button. A passenger cannot even reach the button from the seated position as the button is tiny and cannot accommodate an adult finger to depress it. This is the worst example of engineering I have ever experienced. I am frankly amazed that this design passed any safety tests. Please address the issue before someone is hurt or killed by being trapped in the vehicle and unable to escape.”
It’s a very scary situation to get trapped inside of a vehicle, but what would be worse is getting stuck when the vehicle is on fire. However, that’s not normally a concern with most new vehicles, except with the Yukon. It turns out that NHTSA Campaign Number 19V837000 states that this is a real possibility. Some vehicles have a fuel pump that wasn’t installed with a pressure regulator. Because of this design, it’s simple for the fuel system to become over-pressurized. If this occurs, the fuel pump can create a leak and, possibly a fire. Imagine the devastation if this fire happens with someone trapped in the vehicle. If the Yukon wants to be “unmistakable,” it might be better if it was done in a positive light instead of by being known for something so damaging.
Your Lemon Law Legal Rights
Think you have a lemon? Sit back and let the experts work out your lemon case at no cost to you. The law makes GMC pay legal fees. You may be able to get your lemon out of your life. Every year, auto manufacturers buy back, replace or pay cash settlements to thousands of ‘lemon’ owners like you.
Complaint Data
| Category | Power Train |
| Date | Mar 23, 2023 |
| State | VA |
| Description | Transmission required replacing at 82,500 miles. Vehicle completely lost power during my morning commute. Thankfully, I had exited the interstate and was on a city street with minimal traffic. Also thankful that I took and extended warranty at the time of purchase less than a year ago at 61,200 miles. |
| Category | Suspension |
| Date | Feb 16, 2023 |
| State | MN |
| Description | The front struts are going out on these vehicles. I know of another one that had the same issue and only had 38,000 miles on there denali. This issue makes the front of the vehicle very stiff. Which when we were on the interstate and every time we hit a bump or a bridge crossing it would almost take the steering wheel right out of your hands. I live in minnesota, and with the weather we have here, it was a very scary drive home with my family. I took it to my certified repair shop and they told me that I'm the 3rd one that they have seen with this problem. Thank you for your time. |
| Category | Exterior Lighting |
| Date | Dec 21, 2022 |
| State | TX |
| Description | Ligths seal are defective wich cause failure because humidity create corrosion on main light board and lights suddenly stop working |
| Category | Power Train |
| Date | Oct 03, 2022 |
| State | MO |
| Description | The transmission is out. Prior to it going out, I experienced loss of power, gear slipping, shuttering and not being able to go among other things. This is very dangerous and can cause serious accidents to occur. This should not be happening on such an expensive and newer vehicle. |
| Category | Unknown Or Other |
| Date | Jul 27, 2022 |
| State | CA |
| Description | The a/c unit stopped blowing cold air intermittently. I'm taking it to a mechanic to find out what's going in. It's a 2020 for goodness sake. |
| Category | Exterior Lighting |
| Date | Oct 29, 2021 |
| State | MO |
| Description | The navigation screen system is flickering and goes completely black and kept coming on and off switching from usb to navigation to radio to home screen and sometimes affect the signal lights also when I pull out the usb under the armrest it's super hot ... I was wondering if its a recall also I have 2 friends having the same problems on chevrolet suburban 2020 |
| Category | Air Bags, Traction Control System |
| Date | May 17, 2021 |
| State | TX |
| Description | Gmc suv - hydroplaned -- could not achieve traction control despite moving away from water patch.. Front angle crashed into concrete median; all side airbags deployed, no front airbags deployed. |
| Category | Tires |
| Date | Apr 05, 2021 |
| State | MI |
| Description | Tl* the contact's wife owns a 2020 gmc yukon equipped with continental tires, tire line: crosscontact lx sport, tire size 245/50/r20. The contact stated while driving 65 mph, the driver's side front tire experienced a blowout. The vehicle was towed to david bales buick gmc (1327 jacksboro pike, lafollette, tn 37766, 423) 562-8431) where the vehicle was still awaiting a diagnostic test. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 14,900. |
| Category | Back Over Prevention |
| Date | Jan 05, 2021 |
| State | MI |
| Description | Tl* the contact owns a 2020 gmc yukon. The contact stated while reversing, the back over prevention camera was obstructed and the contact was unable to see a proper image while the vehicle was in reverse. The contact stated no warning light was illuminated. The vehicle was taken to the local dealer shelton buick gmc, inc. (855 s. Rochester rd, rochester hills, mi 48307, (248) 266-2156) to be diagnosed. The contact was informed that the camera functioned as designed. The vehicle was not repaired. The manufacturer was informed of the failure. The failure mileage was approximately 6,000. |
| Category | Engine, Service Brakes |
| Date | Dec 02, 2020 |
| State | NC |
| Description | Vehicle brakes would not operate properly, increased braking effort and message displayed on instrument cluster 'service brake system'. This is the 4th time a beake issue has been experienced with a gm suburban/yukon vehicle. First 3 were on our 2017 chevrolet suburban premier. Also, engine just shutoff in the middle of a turn lane of a busy intersection, no other symptoms so far. |
| Category | Seat Belts |
| Date | Jun 22, 2020 |
| State | MD |
| Description | The rented 2020 tahoe was stationary. A passenger sitting in the left third row seat became stuck in the seat belt. She was unable to open the seatbelt clasp as it got stuck and failed to unlatch. The more the passenger struggled to unlatch the seatbelt, the progressively tighter it became. Passenger could not disengage the seatbelt clasp by pressing the tiny red button. Three other passengers tried to release the seatbelt and could not. Passenger was trapped with tight seat belt holding her in. Other passengers called emergency personnel who also could not release the ever tightening seat belt. Passenger was released when the ranger cut the seat belt with a seatbelt cutting emergency tool. It was a very scary and dangerous experience. Later, some of our guests figured out that you have to press the tiny red button on the left latch with a piece of the right buckle. A passenger should be able to release the seatbelt by depressing the red button. A passenger cannot even reach the button from the seated position as the button is tiny and cannot accommodate an adult finger to depress it. This is the worst example of engineering I have ever experienced. I am frankly amazed that this design passed any safety tests. Please address the issue before someone is hurt or killed by being trapped in the vehicle and unable to escape. *tr |
| Category | Electronic Stability Control |
| Date | Feb 05, 2020 |
| State | FL |
| Description | Line keep assist not working properly. Assistance systems for parking or backing not woking properly. Lane change alert not working properly |
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About the Author:
Brian Jones spent more than 20 years working as an ASE Certified Master Tech and Parts Specialist at multiple dealerships. Brian has become an authority in the industry, traveling across the country to consult for car dealerships and contributing his expertise as a writer for several major automotive publications. In his spare time, Brian enjoys working on pickup trucks, muscle cars, Jeeps and anything related to motorsports.
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