The vehicle 4WD system remains engaged and will not disengage. Upon further investigation the system effects steering and drivability. Also effects speed of the vehicle. The vehicle utilizes a code C0398 and show a message of the dash service 4WD. This is due to faulty software installed by the manufacturer. Will cause damage to mechanical parts if driven on the vehicle and is a safety hazard. GM reference # issued to me when issue complaint of the out of pocket cost to update the software as required by GM to fix their operating system. My reference number is 9-5058496526. Same issue resulted in 2015 GMC Sierra that caused GM to issue a service bulletin #28770. Software issues are not wear and tear components. GM faulty software is the responsibility of the GM as they can cause safety and damage to the mechanical parts of the vehicle.

- South Attleboro, MA, USA

I started my truck and a message came up that says to service power steering and I am unable to turn my wheel or drive safely. I know that this is a recall on 2014 Sierra but the dealership refuses to fix mine

- Fayetteville, AR, USA

"takata recall" driving truck down interstate and it just cutoff no steering no breaks all power shuts off. I wait till truck is stooped and try wigging key and make sure gearshift is in right position. After a few min lights come on the dash and the truck will start back up. It says in the notification area in dash let driver side window down and up again. This has happen twice and both times I was on a interstate almost hit by cars behind me. I was driving about 65 mph going straight most time it would do this if I change lanes.

- Rougemont, NC, USA

Losing power steering intermittently and suddenly. Wheel becoming extremely difficult/heavier to move. Truck turned off.

- Harlingen, TX, USA

Was driving down the highway at highway speeds rolled the passenger window up the stereo cut off the gauges cut out and the wipers wipes in one time. Then a message stating stabilitrak needed to be serviced and electronic power steering was out

- Lexington, TN, USA

Stabilitrak warning comes up and then it warns about reduction in steering assist. When I am parking or driving at a low speed it is hard to turn the wheel. My truck also shuts down and comes right back on when this happens.

- Napoleonville, LA, USA

The contact owns a 2014 GMC Sierra 1500. While driving various speeds, the steering seized and the stability warning indicator illuminated. The vehicle was taken to classic Buick GMC arlington (1400 E interstate 20, arlington, tx 76018, 817-264-7782) where it was diagnosed that there was a failure with the stability of the vehicle. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 71,000.

- Midlothian, TX, USA

I was turning off of a main thoroughfare into a restaurant parking lot and lost the ability to steer my vehicle for a few seconds. The steering finally recovered so I could make the turn. I took the vehicle to GMC to repair on 9/21/2018. My steering had already had a recall in 2017 in which they did a software update. One year, 9/11/2018, later, I lost the ability to steer. The service advisor stated they had another customer in the week before with the same issue. He also stated they had received an internal memo about the issue and the fix was changing out the battery cables. They charged me over $800 for this repair. Based on the information I was given about the internal memo and the other customer with the same issue, I feel this should be a recall. I contacted GMC about my concerns; the cost of the repair and the dangerous situation of losing steering. Annabelle with GMC basically said there were a lot more dangerous issues reported. It seems the vehicle issue has to result in an accident or death before they will take it seriously.

- Bartlett, TN, USA

When driving the truck after extended periods of time (I.e. 1 hour or more) the vehicle will flash a stabilitrak warning and then power the vehicle off. This happened while my son, girlfriend and I were on a trip to Florida driving 70 mph down the interstate. I took to a dealer and they informed me that the battery cables were loose. 4,000 miles the truck has done this episode again and the dealer now tells me that I need to replace the electronic rack and pinion on a truck with 65K miles with a cost of over $3K. There are numerous examples of this happening with trucks just like mine and GM isn't responsible? hard to fathom that in the 5 vehicles I have owned, not once have I had to replace a rack and pinion and the newest vehicle that I have every owned has this issue.

- Fairview, TN, USA

My truck.was.fixed.once for the sterring and is still.cutting out its.so.bad that its shutting the hole truck down.in the.middle.of the road an.on the highway or when U go to speed up it cuts out N the streen comes tight

- Rutland, MA, USA

The contact owns a 2014 GMC Sierra 1500. The contact stated that the electronic power steering failed, which caused the steering wheel to jerk violently to the left when turning right. The dealer (wiers Chevrolet Cadillac GMC, 416 S halleck St, de motte, in 46310, (219) 987-5555) indicated that a software update would not provide a permanent remedy; therefore, the manufacturer approved the replacement of the electronic power steering assist. In addition, the vehicle failed to start and stalled several times without warning. The vehicle was taken back to the dealer who was unable to duplicate the failure. The manufacturer was notified of the failure. The approximate failure mileage was 56,000.

- Hebron, IN, USA

Horrible grinding noise low speed rotating of steering wheel. Sounds metal on metal grinding and clunking, dragging across ridged plate doing parking lot and backing maneuvers. Took to dealership. They said had no trouble codes, but does have internal failure of drive components noted. Scheduling for warranty replacement currently. Metal on metal grinding crunching noise. Entire steering rack needs replacement. Truck only has 79877 miles. It is definitely faulty. Other than that, awesome truck and love it. Everything else works perfect.

- Defuniak Springs, FL, USA

The contact owns a 2014 GMC Sierra 1500. While driving 70 mph, the vehicle stalled and the stabilitrak warning indicator illuminated. In addition, the steering wheel and brakes seized. The contact powered off the engine while in traffic. The vehicle was restarted and drove normally. The contact stated that the failure recurred numerous times. The vehicle was taken to covert Buick GMC (located at 11750 research blvd, austin, tx 78759, (512) 583-3411) where diagnostic testing was completed, but no failure code was found. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 103,000.

- Austin, TX, USA

The truck dies at any moment. Stability track system warning pops up in the little screen and the steering wheel is blocked when this happen. After these to things happens the truck shut down. Sometimes, after a few minutes the truck comes back to normal. This has happened to me for like 10 times in a period of like 15 months. I have taken to the dealer like 6 times and they haven't found the problem. They have change some wires from the battery. They have reprogram the software and nothing I still have the same problem. The truck dies at any moment. All of this happen when I am driving the truck most of the times at low speed and while turning to the left or right except like two times that occurred while I was driving in the highway. The mechanics in the dealer have done all kind of diagnostic that they have but they could not duplicated the problem so the answer that I get every time is that every is fine and that they couldn't duplicated the problem.

- Austin, TX, USA

When the vehicle had less than 10,000 miles I brought it to the dealer to inspect the steering because of a binding/clunking noise while turning the steering wheel at a stop or slow speed. The dealership was unable to locate the noise at that time. Around 17.000 miles, the noise had gotten worse and they were able to locate it and replaced the steering box as well as the rack and pinion steering. Again, a little after 30,000 miles the noise was back but intermittent. The dealership did not hear it and said the steering was fine. Yesterday, with 40,000 miles, the dealership said the steering gear box needed to be replaced again as something is binding inside on the replacement steering box. GM is denying this issue yet my research shows many people with the 2014 GMC Sierra have or have had this problem. The one technician even told me his steering gear box on his 2014 1500 Sierra had the same problem and compley failed. My research shows that this electronic gear box was introduced in 2014 and changed for a different steering box in 2015 models. An apparent acknowledgment of the problem.

- Manahawkin, NJ, USA

While driving down the highway with my 3 year old daughter in the back seat, a warning light for my power steering comes up on my dash and immediately I lose my power steering and have to try to pull my wheel so I can stop on the side of the highway. After turning my truck off and restarting it my power steering comes back and drive it home. I call the dealership and there is a recall for my truck and I bring it in. 2 days after the dealership says they fixed the problem a get the same warning light and lose my power steering again with my daughter in the back seat. I take my truck back to the dealership and tell them my power steering went out again. Not 24 hours after I get my truck back for the 2nd time my power steering goes out again driving down city street. Bringing my truck in for the 3rd time for the same issue, the dealership now says I have to pay them $142 for them to diagnose what's wrong with my truck. Why am I held responsible for an issue GM has known about since 2009?

- Moore, OK, USA

When turning to left, you hear a "thud" in the steering rack and pinion. "thud" occurs either moving or stationary. Occurs during street/highway driving. Have not been off road with vehicle, so no information about occurance when off road.

- Hazard, KY, USA

On making a turn at low speed, my engine has cut out completely. I had full loss of acceleration, power steering, ac, radio. I put the truck in neutral and restart the engine to get to safety. This has occurred 3 times in the last 20 days.twice in city traffic, once on the highway, turning off for gas. The "service steering assist" light appeared. I took the truck for a full diagnostic at a local electric repair shop, for $170. The tech found nothing after hooking my truck to his computer. The day I retrieved my truck from the electrical shop, I stopped in walmart for groceries. My key fob would not lock or unlock my doors. I manually unlocked the truck to determine that the truck would not start at all. No panel/ interior lights, no response in ignition, no automatic unlocking, the truck was completely dead. Roadside service came to tow it, and the truck was jumpstarted from his battery pack. The key fob began to work, unlocking, etc. I towed the truck home. I have VIN checked my truck and there are none but I believe my vehicular failure refers to GM part 573 safety recall 17V-414 regarding the loss of eps. A secondary recall which may apply is GM# 14V26000 re steering linkages, tie rod assembly.as the "steer assist' alert was what I saw. I have the work invoice from the electrical shop, if needed.

- Horseshoe Bay, TX, USA

When stationary or driving at low speeds like those in a parking lot or leaving a stop sign. There is a loud 'clunk' that can be herd and felt about 2/3-3/4 of the way to full lock. It is very repeatable and getting louder.

- Huntersville, NC, USA

While driving my vehicle turns off, stability control comes on and offf on the dic also the drive assist goes off this is very dangerous then is when it looses power

- Dallas, TX, USA