Stability track Cameondoing 50mph transmission geared down motor shut down on and off yes it's available problem not found by dealer took to 2 different ones stability track comes on side lights stay on and off press brakes it shut down turn left it shut down motor running in park put in reverse shut down Will drive and run sometimes but gets worse

- Saucier, MS, USA

Purchased this vehicle brand new and paid extra for Nav and a backup camera as I am a disabled Veteran! Currently have 32000 miles or so as i don't drive that much. No other lights or warnings came up before the following happened. Recently the radio stopped playing and the infotainment system went blank. It occasionally pops up a screen that says waiting on update, other than that it stays blank most of the time. The backup camera comes on intermittently but not always when backing up, maybe 1 out of every 5 times. Also the bluetooth went dead since this all started. As a disabled Vet I depend on the backup camera and built in Navigation so this is an issue! Called the dealer and 3 other radio and entertainment car stores and they stated this is a know issue and would cost around $1000 to $1200 to replace the HMI 2.5 module behind the dash which is the known issue. Looking online this is a well known and common issue and GMC has bulletins to diagnose but no free or discounted replacement or repair, even though it's all over the internet that GMC and Chevy Infotainment centers have issues. There is a class action lawsuit going on due to this issue as well. I'm sure there are others that just haven't complained and should be fixed by the dealer.

- Chapin, SC, USA

DEF Fluid/nox sensor. My truck has 37,000 miles on it. I have been limited to 65mph, 55mph, and then 5mph 3 separate times already because DEF fluid quality poor permanent code. It all comes down to a dirty nox sensor #2 in the exhaust. The DEF fluid is not actually poor quality. I frequently travel long distance. This permanent code should not be limiting my speed. I want a full recall and have this removed from the truck. I did not buy a truck for it to tell me I can't go a certain distance for so many miles because it may be polluting a little extra. This is a safety hazard and a costly hazard when you get stranded on the side of a highway or cannot keep up with traffic because the truck is limited to a certain speed. The message also blocks all digital functions from being accessed at all times.

- Key West, FL, USA

Ignition key randomly will not release from ignition switch. The key is stuck in the ignition in the accessory position which in turn kills the battery. Unable to remove key! I have read this is a common problem with my vehicle year / model. When placing vehicle in PARK it is not reliably returning the confirmation to the solenoid lock on the ignition switch that the transmission is in PARK. My dealer finally admitted this is a common problem. GM needs to take responsibility and activate a recall.

- Crown Point, IN, USA

While driving, the power steering and stabillitrac warnings come on, and I lose power steering. When I stop, turn the vehicle off, and restart the vehicle, the power sterring returns. This has happened three times in the past week, ranging in speed from 5 mph to 65 mph.

- Bartlett, TN, USA

When turning off vehicle the key will not to -??off-?? mode. It stays in accessories mode and prevents the key from being able to be removed.

- Orem, UT, USA

Unable to get the keys out of the ignition when come to a complete stop and is in park.. the key won't get released from the ignition.. I have to restart the truck several times and repeat taken the keys out. It is as if the ignition won't recognize the key..

- Bloomfield, CT, USA

I put the car into park and turn the key to turn the ignition off. Engine turns off but key does not turn in to off position. I have to start and turn the truck off multiple times to release the key.

- Jacksonville, FL, USA

Truck has starting issues when shopping or getting gas. Entire truck system goes dead. Truck has to sit for 10 minutes or so. Then out of the blue all the systems in truck will start working. This affects the all door locks, power seats, power windows, radio, instrument panel, ignition switch all interior lights and all exterior lights headlights, all turn signals, all windshield wipers, in short all electrical components including automatic transmission gear shift. This happens warning reason for this occurrence.

- Riverside, CA, USA

Ignition will not fully turn off and release key when truck is placed in park. I'm addition ignition and key become very hot to the touch after driving for over 20 minutes (temp outside is cool 50-60). Truck will eventually turn off and release the key after restarting and shifting through all gears multiple times (turning off, back on, shifting, etc.). already attempted cleaning keys (both sets) with no change in behavior.

- San Francisco, CA, USA

Truck has 51496 miles. Engine light was on. Computer code stated exhaust aftertreatment fuel injector control circuit. Had to replace the injector. Code dtcp20cb. Should this be covered under the emissions warranty.

- Winchendon, MA, USA

All my dash lights keep coming on and alarms going off. The poer steering, ABS, check engine, stability track, parking brake, brake, etc. If I pulled over and turned the vehicle off to get this to stop nothing works when I crank it up. I have no power steering. If I crank it a couple times everything goes to working. Then a few miles it all starts again. This has been going on since April. I have put it in shop in April, the dealer couldn't get it to duplicate, in may, same thing, in June they finally got it to duplicate and changed a module. I drove it 772 miles it started again. I carried it back in July they said GMC said it was a steering gear. I got it back at 336 miles it started again Aug. 2nd, it did it again at 798, then 813 miles on 8/9. I carried it back they supposedly found a rubbed spot in a wiring harness and fixed that stating they believe it is fixed. I contacted GMC in July trying to get them to take this truck back, they said they couldn't do that but extended the mfg warranty out to 100000 miles. I bought the truck used with 16000 miles on it still under mfg warranty, all the problems started at a little over 34500 miles. I fear for my safety as well as other due to steering wheel locking up. I mentioned this to GMC as well. Is there anything I can do to get GMC to take this vehicle back" I can get paperwork from dealer if needed. Is there anything you can do with this" I had a case # with GMC when the gave extended mfg warranty [xxx]. I talked with a representative name martin phone # 866-790-5700. Ext. 5915657. I left him a message on 8/12, he is yet to return my call. Information redacted pursuant to the Freedom Of Information Act (FOIA), 5 U.S.C. 552(B)(6).

- Altha, FL, USA

1) I have 40K on my Canyon and am experiencing acceleration issues 0-40mph 1-3rd shift points (automatic transmission). The transmission acts like it cannot decide to either say in 2nd or shift to 3rd and there's a lag or surging affect when this happens. I had the transmission fluid and transfer case fluids changed ar the GM dealership. Problem still persists. 2) key gets stuck in the ignition. When placing the truck in park there's an internal relay/switch within the shifter that is supposed to activate a relay/unlock signal to the key tumbler in the steering column. This doesn't always happen and the key won't turn to the off position to allow it to be released. I have to turn the key to the acc position put the truck in drive then back into park to get the relay/switch to dis-engage the key position from being locked in acc.

- Westerville, OH, USA

Vehicle ignition key can not be removed and it does not stay in park. Vehicle can crash causing injuries and property damage vehicle has about 35000K miles under warrenty and GMC refuses to do any thing about it.

- Greenwood, SC, USA

Transmission does not move into next gear when driving 20/25 30/35this vehicle is an accident waiting to happen you can't pass anyone also it you can't merge on highway safely you must drive vehicle in a adjusted manner

- Richboro, PA, USA

After starting my truck and driving until the engine warms up, I turn on just the fan and the A/C light comes on. According to the manual that is only supposed to happen if the auto defog is activated. It does not turn on when I start the truck if the engine is warm. Also, the radio/usb port will randomly turn on by itself when I start the truck or sometimes after I end a phone call. Once the entire touch screen system was completely inoperable. I then could not turn the radio volume up or down, change stations, or use any features of the touch screen.

- Plantsville, CT, USA