This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
The A/C has quick working. We took it in to get fixed, they could find nothing wrong except low on freon. Replaced and it is gone (has dye in it & no detection where it has gone). I didn't drive this car for 6 mos. Because of this (too hot). I can't afford to fix everything that is going wrong on this car. Same day A/C went out, the heat system went out on the driver's side seat. Just blows cold air! this is ridiculous! the suspension is now slamming hard and super loud (especially when it is cool/cold out). I am glad they are finally fixing the brake issue but really" all this other bs on this expensive car? the day we got back from shop for the A/C, the driver side brake light was out. Omg!! talk about expensive to repair!! 650-800 for just the light assembly through GMC and that is reconditioned parts! why would we put more crap parts in? waited another 2 mos to save money to go to an aftermarket person to fix this. Just waiting on the other side to go out! lights go out all the time, why would you make them where they are not affordable" we baby our car, park away from everyone and yet it is falling apart due to the crappy products that GM used to manufacture it. All these problems happened (except the braking issue and the suspension) when I went to start the car and I noticed it. The suspension is when I am driving and the road can just have a 'wave" in it. If there is any sort of bounce, this car will bottom out and is super loud.the air started 3/28/19 and all has followed. We bought it used with 74K-ish on it. Have only had it since last July, 2018
Vehicle vibrates during driving speeds above 35 mph. Had tired rotated and balanced, still vibrated, replaced tires and received 4 wheel alignment, still shakes bad. When traveling at speeds above 35, seats starts to shake as if you are traveling over a bad bumpy road. This occurs both on city streets and highways.
The vehicle has leaked water in the seams of the back driver side since the initial purchase. It has been repaired nine times by two different dealerships and it still leaks. The vehicle now contains a high moisture reading and was tested by a mold specialist and determined to have mold. The vehicle is currently with the dealership.
Driver's seat was not heating on the bottom cushion, only the back was heating up. Took to dealership and after the second time complaining they found a fault in the sensor and replaced. Then the back of the seat quit heating. Same problem - heating sensor kept shorting. Very concern about shorts and faulty circuits. Complained to GMC on facebook and got the typical "so sorry" and "we're in contact with the dealer". I had to complain multiple times since December 2015 about poor heating before they would listen.
I have a 2015 Yukon denali and I was driving 65 on the highway and the engine shut down completely. A warning message said engine power failure. I had 4 cars and an 18 wheeler behind me at the time. I managed to put the vehicle in neutral and coast to the side of the road onto a median. It was towed to the dealership where they started trying say it might have been bad gas. Then I was told I cracked valve and they already had one other just like this, then 1 day later after a tech level 2 and a shop forum looked at it, and a conversation with a GM pac rep, GM approved a complete engine replacement! I was shocked. I've had the same 4-wheel drive issues everyone else has. I've also had A/C problems, steer wheel popping noises, sunroof loud wind noises. My seat shifts when I drive it. The A/C seats don't cool properly, which I found out when they put me in a loaner Yukon that worked fine. The speedometer gauge also didn't work for 2 days, which I have a picture of and received a warning ticket for when I was pulled over by an officer not knowing what speed I was going. I passenger step guard doesn't always retract properly. My unit was purchase May 2014 and was one of the first 4 X 4 units that was produced and has had constant problems. GM keeps denying a buyback, then no trade assistance, then now has offered an extended warranty. This particular vehicle I have is not safe for my family to be riding in. I can't trade it in or sell it to anyone else knowing the problems it has. The dealer won't even take it because they know the problem that they are dealing with.
- Spring Branch, TX, USA
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The heated seats do not heat up. The car was in the shop for this problem within the 1st 1000K miles. They told me to "be patient" and they'll get warm. The car has been in the shop a total of 7 days for the seats not working and I have yet to get it resolved. Emailed the CEO of GM and got a phone call from a person who stated GM considers the seats are working although they don't work most of the time and when they do get some sort of heat (the shop told me they got one seat to heat up to 87 degrees! wow!) it is intermittent and uneven. The seats haven't worked at all in the last 3 weeks and the average temp hasn't been above 32 degrees. I spent a fortune for this car and I can't get anyone at the dealership nor in detroit to acknowledge this car is a lemon or they have a design flaw since they switched to blowers from heated coils. I am supposing the A/C in the seats won't work when it's 100 outside and I'll be told to be patient again. I've asked for my $$ back and I'll return the car. It's got 4,200K mi and I am so done with this lemon bucket.
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- Springtown, TX, USA