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.
I have an on going problem with the emissions system on my 2021 Tahoe. The vehicle discharges raw diesel fuel and DEF from the exhaust tail pipe during cold startup. This discharge is overwhelming and is so strong it can be detected by smell from over fifty feet away. In addition to this issue the fumes enter the inside of the vehicle and at times it is so bad you need to open the windows. I believe this problem is unsafe as it poses a fire risk and a CO exposure risk to the vehicle occupants. The vehicle has been in the shop repeatedly for the past eighteen months with various parts replaced. To date none of the repairs have fixed the problem. In February GM issued a statement saying that this is normal operations.
While driving on the highway there was a loud explosion like sound. The sunroof on the SUV completely shattered. There was no car in front of me and no overpasses. Sunroof shattered and glass came in the car. I was driving the speed limit which is 70MPH and there was no forewarning. GM is scheduled to look at the vehicle, I am waiting on their return call.
Received an Over-the-Air update that rendered my vehicle unless. My vehicle would no longer start, or power on, or power on in accessory mode. It was stuck in Park, the electronic Parking Brake could not be disengaged, the door locks could not be operated and left unlocked, no lights, no warning lights, the emergency lights did not function, no horn, and most everything else. The only things still working were the radio, the driver's side powered seat would move, and the light came on for the Parking Brake. The battery was fully charged. I also started receiving messages through my Chevrolet APP that the vehicle had no air in the tires, no oil in the engine, and many other items that needed servicing. I am not sure what exact components or computers have failed yet. GM could not find any dealer to render aid and come to my location to reprogram the vehicle. It had to be towed to a dealer. With the electronic Parking Brake engaged, GM had a hard time trying to find a tow truck that wouldn't just drag the vehicle down my driveway and onto a flatbed.
On 7/13/2022, I was driving down the highway and my Tahoe without any warning began to decelerate. I put on hazards and merged over in rush hour morning traffic off to side of the highway. I looked to put it in park and it had switched itself into Neutral. I immediately shut the car off and tried 3-4 times to start it. Had to wait 5 minutes then got it started and back on road I went. The previous evening, the My Chevrolet App showed I had a flat driver side rear tire but in fact, I didn't.
- Charlotte, NC, USA
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The sunroof made a very loud popping noise and exploded while driving on the interstate on November 30th around 12:15pm in about 40-50 degree temperatures. There were no warnings or noises or any indications that something was wrong. The safety of myself and children were put at risk, as the glass came down into the car while driving on the interstate, and presumably the safety of other drivers if some of the glass flew off onto the interstate. A local body shop has taken photos, as have I, and we have filed a claim with our insurance company. Our local GM dealer did not want to cover the cost under warranty, claiming there was no way to prove exactly what happened. The vehicle has been looked at and temporarily fixed by a local body shop, but not thoroughly inspected. The body shop has ordered new glass and will inspect the vehicle next week.
On 10/21/2021 while driving about 65 mph on highway 80 in Sacramento my sunroof glass exploded. It was not struck by any object. The weather at the time was rain and about 60 degrees. Traffic was light and nothing near that could have caused this to happen. Fortunately the shade was closed preventing any glass to enter the interior. Its been in at the dealer Stevens Creek Chevrolet in San Jose since 10/21/2021 waiting for a replacement glass. This incident could have injured anyone in the vehicle if the shade had not been drawn. So far it appears it is being handled as a warranty issue.
In late May, 2021, an "over-the-air" software update was forced onto our vehicle by GM. This update was initiated, and resulted in a failure of the over-the-air system. We brought our vehicle in to our dealer, who indicated that the "module" is bad and a part is required to fix it. This part is reportedly "on backorder" with no known ETA. This has resulted in various notifications (turn signal indicators, and unknown other notifications on the dash) as well as our center console (music, nav, etc.) to become unresponsive. Since the "module" failure, GM has issued two additional safety recalls. In the paper notices we received for the safety recalls, GM indicates that they had been "prompting owners through the vehicle's radio screen" for a month, via this over-the air system, of which, ours has not been functional since late May 2021. The last of which is a power steering recall, which may result if loss of power steering functionality. Due to our inability to know the recall existed, resulting from the faulty "over-the-air" system, my family took a trip through the mountains only to return home to this recall notice. GM has been unresponsive in repairing the system used to notify us safety hazards related to the vehicle that we have purchased, beyond noting that they are trying to "get the part as soon as possible". No one has been able to indicate what this "part" actually is, to date. The possibility of this module failure, and our non-functioning module, presents a serious safety hazard to drivers with this technology who are not made aware of recalls and other safety concerns which may result in crashes and serious injury or death.
Vehicle will not start. Only 6900 miles. Battery fine, lights and radio work, windows and tailgate work. Car turns over, but just won't start. Read manual, did everything suggested. Clearly an electronic error. And, because vehicle could not be started, it could not be put in neutral. Tow driver had to drag car across pavement on flatbed. Could not be good for brakes or anything else down below. When arrived at dealership, could not get Tahoe off flatbed. Winch only pulls up onto flatbed, does not push backwards. Oiled the flatbed and shook the entire tow truck body to try to get it to slide down. No idea why this happened. But a couple of months ago same thing happened to a friend's GMC version. Clearly electronic failure in band-new car.
2021 Chevrolet Suburban, 79 miles on odometer when driven off lot on 02/22/21. Vehicle frame and suspension parts, as well as, control, steering, and powertrain parts have significant corrosion occurring. Vehicle was manufactured and inspected 11/2020. Vehicle was visually inspected by owner. Currently in process of trying to remedy with GM. Corrosion so early in vehicle life will undoubtedly lead to failure. I reside in Tacoma, Washington. Vehicle was purchased in puyallup, Washington. More photos available upon request. There are several more areas of corrosion than photo upload allowed for. GM claims 2021 models have a new process when manufacturing and treating metal. It appears to have failed. The climate here is mild, and road salt is not used in the area.
I've been receiving this message "service safety restraint system" since October 26, 2020. Surprised that I keep receiving this message and I've had this vehicle for 3 weeks brand new. Unsure as to what is causing the problem and currently seeking resolution of this.
A D V E R T I S E M E N T S
- Anacortes, WA, USA