2020 GMC YUKON Problems & Recalls

The contact owns a 2020 GMC Yukon. The contact stated that while driving at an undisclosed speed, the check engine warning light was illuminated. The vehicle was taken to the residence, the contact exited the vehicle and discovered white smoke coming from the exhaust and started to smell coolant and...

Mileage: 52,000

I purchased a new 2020 GMC Yukon in May of 2020. Between May 2020 and November 2025 the vehicle was routinely serviced on or before the due date recommend by the manufacturer. I had not experienced issues with the vehicle until November 2020 when the check engine light abruptly appeared and the vehi...

total engine failure with 90,000 miles on the car.

We purchased the vehicle used in April 2025 with 79,851 miles. All service records were documented via Carfax. Vehicle was in impeccable condition. We drove it for approx. 8,000 miles until July 10, 2025, when a loud knocking sound started coming from the engine - approx. mileage 87,600. We drove th...

My vehicle went from driving perfectly to startling and not going pass 45 in a matter of two days. I was getting all maintenance done at dealer always on time had just service it. When all of a sudden it started making a jerking/ skipping feel as if I was accelerating too hard. Took it to get check...

My vehicle went from driving perfectly to startling and not going pass 45 in a matter of two days. I was getting all maintenance done at dealer always on time had just service it. When all of a sudden it started making a jerking/ skipping feel as if I was accelerating too hard. Took it to get check...

While driving to Lake Placid, NY, I experienced sudden loss of propulsion as I was driving approximately 60 mph. I was able to brake and pull over to the shoulder. I was not able to restart the vehicle - engine was dead. We were flat bed towed to a garage in Lake Placid where it was confirmed that t...

The contact owns a 2020 GMC Yukon. The contact stated that while driving at an undisclosed speed, the vehicle inadvertently lost motive power, prompting the contact to pull over to the shoulder of the roadway. The contact became aware that the vehicle continued to move forward while shifted into Par...

Mileage: 119,000

The contact's wife owns a 2020 GMC Yukon. The contact stated the vehicle was taken to an independent mechanic for a tune up. The contact stated that upon picking up the vehicle and driving, the transmission was slipping in and out of gear. Additionally, the contact stated while at a complete stop an...

Mileage: 107,267

Hello, I’m calling about the GM transmission recall recently announced in March 2025 affecting 2020 Yukon vehicles. My Yukon experienced what I believe is the exact same issue described in the recall. Our vehicle lost forward gears and almost caused a crash. A certified mechanic confirmed the tra...

Vehicle started jumping and switched into 4WD while reversing. There was no inclement weather or slipping to prompt this. Service 4WD warning had been showing intermittently for a week or two and service appointment had been scheduled. At service appointment, confirmed that 4WD switch was faulty and...

6L80 transmission complete failure while driving. Vehicle started shacking then check engine light came on .

The contact owns a 2020 GMC Yukon. The contact stated that while refueling the vehicle, the fuel filler neck was not allowing fuel to flow into the tank. There were no warning lights illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the fuel filler neck. The contact was ...

Mileage: 42,000

Shortly after the warranty expired my torque converter went out and damaged the transmission. After speaking with several transmission shops this is a known problem with this vehicle! The torque converter and transmission are poorly made, and no matter if you get all of your services this will sti...

2020 GMC Yukon transmission failed at 103.000 miles

Ambient temp was 100 degrees for reference. Had been driving about 5 hours. Went to stop and had no power assist for brakes. This continued for at least 20 miles. Stopped and confirmed vac hose was connected. I tried to remove vac hose to check for vac at booster but was afraid I might break the ...

Transmission slipping and damage

Transmission slipping and damage

Transmission slipping and damage

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.

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, LAFO...

Mileage: 14,900

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 ...

Mileage: 6,000

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. PASS...

Mileage: 12,000

LINE KEEP ASSIST NOT WORKING PROPERLY. ASSISTANCE SYSTEMS FOR PARKING OR BACKING NOT WOKING PROPERLY. LANE CHANGE ALERT NOT WORKING PROPERLY