2016 GMC YUKON Steering Problems

When making a slow turn in drive or reverse the park assist screen shows it’s not working. Then all screens in the car turn black and the steering locks while driving. Making it impossible to turn or move. This is happening while driving, while parking. Putting my safety and others at risk due to not being able to control the steering. Park assist failure screen pops up then all screens turn black. Car is still on just unable to move. I have not had it checked by a mechanic yet.

On [XXX], I was driving my 2016 Yukon Denali on a trip to Maryland. While in Maryland, I was driving my vehicle. As I approached a street to make a right turn, I braked to make the turn. I slowed down to make the turn. As I made the right turn, my steering wheel ability became hard. I felt a stiffness in the steering wheel as I came out of the turn. My Denali became un-maneuverable. I lost my power steering ability in the steering wheel and I observed my power steering service light indicator warning come on. I pulled my vehicle to the side of the road and turned off my vehicle. I started the engine with no change in the steering mechanism. After twenty minutes passed, I restarted the engine. I was able to drive with normal power steering conditions. On [XXX], while driving my Denali, I lost...

My vehicle randomly locks up and shuts off while I am taking a sharp turn or parking. A 'Service StabiliTrak' warning flahses on the dashboard. The steering wheel locks and the only way to get this warning to go away is to turn the vehicle off. This is a dangerous hazard as the vehicle can come to an abrupt stop in traffic.

The largest issue was today, 2/22/2022, when I was driving doing 56 miles per hour it felt like it wouldn't accelerate. Then all of a sudden, the wheel kind of jerked right and the car shifted down all on it's own and I was doing 25 mph. The check engine light came on immediately after the violent jerking happened. I was on a 4 lane highway and had to immediately pull over onto the shoulder. It was jerking forward and back as I was trying to pull over on a freeway where the speed limit is 70 mph!!! I had my 80-year-old mother in the car with me. AND YES!! It put us both at great risk! I had to call a tow truck and they towed it to a dealership 9.8 miles away. When I talked to the Assistant Manager, he said that there were 3 other GMC Yukon...

This is the second time it happened the first time i parked my car while the engine was on and i got down real quick got back on my car and when i tryed turning all of a sudden my steering wheel keept turning the opposite way and parking control light appear saying it was off and it keep moving my steering wheel i all of a sudden turned my car off and back on the second time that happened i was going in a parking when it did the samething i was turning in the parking and it started turning my steering wheel the opposite way it started saying again parking control off and the system started going crazy and my car completely turned off i was left in the middle of the parking lot had tu put my car in parking and turn my car off reall quick...

OUR GMC YUKON LOCKED INTO 4WD WHILE ACCELERATING/DRIVING (APPROX 15-25MP) THE KIDS TO SCHOOL THROUGH THE NEIGHBOURHOOD, JERKED VIOLENTLY AS THOUGH BRAKING HARD, AND STEERING WAS EXTREMELY IMPAIRED. THE "SERVICE 4WD" MESSAGE APPEARED ON OUR DASHBOARD. THE YUKON IS LOCKED IN 4WD, AND EXTREMELY DIFFICULT TO STEER AND MANEVEUR. IT JERKS VIOLENLY WHEN TURNING. WE ARE UNABLE TO DRIVE DUE TO SAFETY CONCERNS.

SERVICE POWER STEERING DRIVE WITH CARE ALERT APPEARS ON MY DASH

MY AC STARTED BLOWING HOT AIR. THE AIR COMPRESSOR WAS CHANGED TWICE. AFTER CHANGING IT THE LAST TIME I STARTED GETTING THE SERVICE POWER STEERING LIGHT ON AND Y STEERING WHEEL LOCKS UP. NO POWER STEERING. THIS IS VERY DANGEROUS AND SEEMS TO BE COME TYPE OF WIRING PROBLEM.

VEHICLE SHAKES AND VIBRATES HORRIBLY AT HWY SPEEDS I HAVE TAKEN IT TO THE DEALERSHIP WITH NO FIX SAME PROBLEM