GMC Yukon Complaints
6,462 consumer complaints on file.
- #11654285April 12, 2025UNKNOWN OR OTHER
The Onstar module becomes inoperable due to a fault with the onstar module. This is a known issue on many forums and GM has yet to issue a fix with mass reported Onstar module failures. This fault renders useless the safety systems.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11654237April 12, 2025ENGINE
GM diagnosis was lower engine failure
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11654204April 11, 2025ENGINE
Car suddenly stopped while traveling. Shut down. Took to dealership and they said it’s a catastrophic engine failure.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11654161April 11, 2025ENGINE
Engin failure
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11654160April 11, 2025ENGINE
I was passing a semi truck at 80 mph on the highway, after passing I tried to reduce my speed on the cruise control but got no response from my vehicle. I pulled off the highway and the engine was dead. I feel lucky to be alive the truckers were whizzing by at 80mph while we waited for a tow truck. The dealer has confirmed the engine is seized. There were no warning lights or other symptoms.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11653984April 10, 2025SERVICE BRAKES, POWER TRAIN
Transmission failure, hard shifting, slipping and loss of power also severe shuddering. Very dangerous driving. I had to have the transmission replaced after taking the vehicle to a dealership and upon verification from same dealership reproducing the transmission failure. Massive financial loss, dealership stated these transmissions are known to fail. Manufacturer has been notified by numerous complaints. Compensation is warranted
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11653931April 10, 2025POWER TRAIN
Vehicle has no reverse. 21,750 miles and have been told by the dealer that it needs a transmission valve body which are unavailable at this time and it could be several months before they are able to obtain the valve body.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11653858April 10, 2025ENGINE
WHILE DRIVING ON HIGHWAY ON 2/21/25. MY 2023 YUKON (WITH GM ENGINE L87 IN IT) WARNING LIGHT CAME ON CALLING THAT THE TRUCK SHIFTED INTO NEUTRAL, PRESS START. PULLED OVER TO BREAK DOWN LANE, RESTARTED AND WENT ON OUR WAY. CALLED DEALERSHIP AND THEY HAVE NOT HEARD OF ANY TYPE OF ISSUE AND STATED TO BRING BY IF IT HAPPENS AGAIN. 8 DAYS LATER THE 2023 YUKON WITH GM ENGINE L87 SIEZED ON 3/1/25 WITH ~23,000 ON IT WHILE DRIVING ON THE HIGHWAY. VECHIE WAS TOWED TO GMC DEALERSHIP WHERE THE SUV WAS PURCHASED AND HAS BEEN SITTING EVER SINCE WHILE WE WAIT FOR A NEW ENGINE COME IN. DEALER HAS BEEN HELPFUL, BUT I HAVE READ THAT THERE IS A BIGGER ISSUE WTH THE L87 ENGINE.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11653818April 10, 2025ENGINE
My engine quit in the middle of a intersection on 2-25-25 with approximately 20,777 miles and has been in shop waiting on a new engine ever sense and they can not tell me when the new engine will be in. I have call GM and get no time line on new engine.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11653761April 9, 2025ENGINE
This vehicle had a complete engine failure. We lost power and could not start it. We were stranded on a busy highway. This all happened going 65 mph. The dealer told us that we would need a complete engine replacement. We had about 16,500 miles on it. I personally know two other people that this has happened too.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11653365April 8, 2025POWER TRAIN
Power steering going in and out while driving
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11653560April 8, 2025ENGINE
Sent vehicle into dealership for a knocking noise turns out the lifters. They drove the vehicle 1 mile only to have the engine seize. I have been without a vehicle for 6 weeks with no engine available
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11653187April 7, 2025ENGINE
I was driving my vehicle at a speed of around 50 MPH when the vehicle had an sudden loss of power. The vehicle displayed press the start button while the vehicle was still moving with the motor off. I pressed the start button and the vehicle shifted to park and went to complete loss of power functions. The hazard lights would not work, the vehicle would not start or move out of park. The vehicle was stuck in the fast lane in park with no way of moving it or warning others with hazard lights. My daughter and I almost got hit by a semi due to the vehicle issues. I had to call 911 to get police there for safety concerns and a tow truck to take the vehicle back to the dealership. The tow truck couldn't get the vehicle out of park as well, so he had to drag my vehicle onto the tow truck. I have a 2021 Yukon Denali with the 6.2 engine. The dealership told me I need a new engine because of a known failure with the engine. They can't promise me replacing the engine will fix the issue. The vehicle has less then 60,000 miles on it. This engine issue put my life and my daughters life in danger. I had to carry my daughter across the highway because it was unsafe to stay in the vehicle. I can only imagine what could of happened if we were traveling at higher speeds with no way to exit the vehicle. The dealership told me it is going to be 3 to 4 months before I get my vehicle back and they can't promise the new engine won't do the same thing. This is a huge safety concern that GMC needs to address. I am stuck paying for a vehicle that puts my family in danger. Something needs to be done immediately. The dealership told me they have several Yukons in the shop with the same issue waiting for an engine replacement.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11653048April 6, 2025ENGINE
Engine, check engine. Light comes on and traction turns off and stability Tr A. K turns off while I'm driving, which is very dangerous now. The engine also has a very loud clicking. Ticking sound I'm not sure where it's coming from. But when I drive begins to get louder, and my traction turns off while on The highway or any road going over it?Twenty miles an hour, which is extremely dangerous on texas roads.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11653045April 6, 2025ENGINE
Driving back from Spring Break Vacation in Destin, FL, with my wife, daughter [XXX] and son [XXX] on [XXX] and the vehicle engine started making a clicking sound slightly past Greenville, AL. When given gas, the vehicle RPMs would increase, but the vehicle would fail to accelerate. Pulled off onto the shoulder and the vehicle completely died I wouldn't start again. Had to call Emergency Roadside Assistance for help, and they had to Tow the vehicle to the Chevorlet/GMC Dealership in Montgomery, AL. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11652675April 3, 2025POWER TRAIN
The car is by hard shifting. The dealership found, “THE TRANS TO HAVE A SHUDDER AND DEBRIS IN THE TRANS FLUID INDICATING TORQUE CONVERTER FAILURE RECOMMEND REPLACING TRANS DUE TO TORQUE CONVERTER FAILURE SENDING DEBRIS THROUGH THE PUMP AND VALVE BODY.” The first time we brought the vehicle into the dealership they just replaced the fluid and didn’t inspect for failures. The dealership now did and if the torque converter fails the car won’t drive, if I’m on the freeway that could cause a crash or worse.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11652591April 3, 2025ENGINE
I started the 2021 Yukon Denali this morning and there was a slight squeaking noise coming from the front of the car. I began driving and the noise went away. I parked the car and completed an errand. I then started the car to return home and on the way it started making the noise but much louder. I pulled over and the car died and refused to start. GMC Roadside Assistance sent two different tow truck that were not able to tow the car. Tow Truck #1 - Flatbed truck. Car did not go in to neutral because it couldn't start so the driver said that he was unable to pull it up onto the flatbed. Tow Truck #2 - Tow truck w/ Dolly wheels. Driver said it was too heavy for his Dolly to tow the Denali. GMC Roadside Assistance then said that they're two trucks were unable to pickup the Denali and that I was on my own to call and get a tow truck and they would reimburse me. I am on the side of the road all morning not knowing what tow truck company nor what type of tow truck to ask for...... Denali still does not start and am now awaiting a local tow company to make the pickup. GMC Roadside Assistance was a total failure.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11652495April 3, 2025ENGINE
While driving down the interstate the vehicle lost power without warning and gave a command to "press start to resume" tried to do that but nothing happened. Eventually we were able to get over to the shoulder of the interstate which was super busy in Atlanta. Once we stopped, we shut off the vehicle and it started back up, and we proceeded to get back on the interstate, when the same thing happened. We stopped again, waiting a few minutes and were able to get back on the interstate and complete out trip without any issues. 3 days later while driving on the interstate again, the vehicle had a weird winding noise coming from it. Once I was able to get off the instate the engine was knocking very loudly and had no power. Got the vehicle to our home and had it towed to the dealership the next day. Dealership gave the diagnoses that a new engine, radiator and engine coolant lines needed to be replaced. The vehicle had 2,248 miles on it and was purchase 2.5 weeks prior. No eta on when we will have a new engine and our vehicle back.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11652346April 2, 2025SUSPENSION
According to dealership Front and Back Suspension - SHOCK &/OR Struts - According to all complaints online it could be the Magnetic Ride Control- Car is a danger!!!!!! This car bounces all over the place - rides rough and bumpy!!! This should not be happening at 84K miles!
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11652237April 2, 2025POWER TRAIN
Looks like this is a ongoing issue with my vehicles engine. The truck has 40k miles on it and the entire engine blew.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0