Takata recall, the automatic locks keeps locking and unlocking on their own, whether it's parked or driving. Takata recall, the transmission shutters and rough shifting when slowing down or taking off, however the worst seems to be when slowing down

- Loxley, AL, USA

I temporarily had no control over the vehicle causing me to have an accident. While driving down a residential street approaching a stop sign intersection I merged into the center of St to pass a trashcan and in the process of returning to my correct position on the road I suddenly had no steering. Panicking from the loss I pressed my brakes an attempt to bring vehicle to a stop but was unsuccessful because the tires began a slide once noticing the traction loss I proceeded to release brakes and reapply in hopes of gaining traction the brief relief from brakes caused the vehicle to regain traction and while I still have no control over steering, the vehicle jerks towards the right side of the road and the brakes being reapplied the vehicle continues to slide off pavement making contact with stop sign and telephone pole.

- Moss Bluff, LA, USA

The contact owns a 2014 GMC Sierra 1500. While driving approximately 25 mph downhill with the accelerator pedal released, the vehicle went out of gear and had no acceleration. The contact had to switch to neutral and then to drive in order for the vehicle to perform normally. There were no warning indicators illuminated. The contact also stated that the failure only occurred when the vehicle was traveling below 30 mph and with the foot off the accelerator and brake pedals. The failure occurred four times. The vehicle was taken to the dealer (West brothers GMC/Chrysler in sullivan, Missouri) four times, but they were not able to replicate the failure. The manufacturer was notified. The vehicle was not repaired. The approximate failure mileage was 71,000.

- Steelville, MO, USA

The contact owns a 2014 GMC Sierra 1500. While slowing down at a stop sign at 12 mph, the vehicle independently shifted to a lower gear and made a clunking sound. The failure recurred multiple times. The vehicle was taken to a dealer, but no failures were found. The vehicle was not repaired. The manufacturer was made aware of the issue. The approximate failure mileage was 25,000.

- Uniontown, PA, USA

The contact owns a 2014 GMC Sierra 1500. While driving approximately 40 mph, an abnormally loud banging noise was heard from the front end of the vehicle. The vehicle was taken to the dealer, but was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was 2,000. Updated 03/07/17

- Chisholm, MN, USA

Heads lights are so dim I cant drive the truck at night also the is a bad vibrations coming from the rear end.

- Crofton, KY, USA

Intermittently, when applying the brakes to stop for a red light, the engine wants to keep the vehicle going at the same speed and fights the brake so the vehicle cannot stop. Shifting the gear shift into neutral allows the brakes to work but the engine RPM revs up to 2500 RPM for about 15 seconds before dropping to idle. If the driver didn't apply the brakes hard enough or shift into neutral, the vehicle would overpower the brakes and drive into anything ahead. Analogy: It acts as if the cruise control was on (and it's not) and tried to keep the same forward speed no matter the brake application. Dealer cannot reproduce the problem, no alert warning light. Some times, going at highway speed, taking foot off accelerator and expecting vehicle to start slowing down, it stays at same speed for about 15 seconds before dropping rpms. This has been happening, intermittently, for a few months.

- Hollis, NH, USA

The traction control is not working. On wet pavement it spins sideways out of control. Definitely a safety issue acknowledged by the dealer but after 5 straight weeks of working on the problem, GM says it's normal. This will get someone killed.

- Little Rock, AR, USA

I have taken my truck into the dealer 3 times for clunking during shifting and losing power between 30-45 mph when attempting to accelerate in traffic. I have been told by the dealer that GMC says this is normal for my truck. It is not normal for these problems. I have researched this issue on the internet and it has been identified as a problem with the active fuel management system controlled by the computer module to achieve expected gas mileage demanded by the government. I paid $42,000 dollars for this truck brand new. I shouldn't be having this occur. I owned a 1995 GMC extended cab that is still on the road with 215,000 miles. This truck has only 23,000 miles after 2 years of ownership.

- Port Republic, MD, USA

Vehicle has shudder, wobble and vibration when being driven at speeds 40-80. GMC has diagnosed as a tire issue but vehicle has been seen 14+ times and tires have all been road force balanced, numerous times. GMC refuses to diagnose further and has not identified the cause of the problem. Vibration has affected other components. Commonly reported problem affecting 2014 GMC Sierra trucks based on internet search.

- Brandon, FL, USA

The part broke in half at low speed while I was driving in a construction area (my own driveway being installed) I hit something and the metal casing of the axle where it attaches to the front diff. Broke in half. I am 60 years old my wife was in the truck I was going so slow the speedometer was on 0. the dealer said the part was cracked by the impact. This is supposed to be a heavy duty 4X4 P/U, if I was going at 40 mph off road what would have broke and what would have been the result? I think the metal of the casing was flawed and I am afraid to keep the truck. The dealer said this isn't a warranty issue I had to put a claim into my ins. This is not only a concern for safety but for finances as well. I paid $44,000. Cash for this truck, it is the Sierra slt not only a 4X4 but it has 20" rims for added height. This was not hit hard enough to crack a steel casing. The truck is at a GMC/Buick dealer in mount dora fl. They said it might take awhile to find the parts to fix it. I do not think GMC makes cheap trucks or dangerous trucks but I think after this gets fixed I will be looking into trading it.

- Eustis, FL, USA

Excessive vibration at highway speeds. Manufacturer is aware but has no solution.

- Germantown, MD, USA

The contact owns a 2014 GMC Sierra 1500. The contact stated that after exiting the vehicle, it rolled away. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was 3,000. The VIN was unavailable.

- Long Valley, NJ, USA