GMC Sierra Complaints (2023)

567 consumer complaints on file.

#11544881September 16, 2023
ELECTRICAL SYSTEM, ENGINE, FORWARD COLLISION AVOIDANCE: WARNINGS
TRUCK HAS DIED GOING DOWN THE ROAD AT 40MPH. ALSO HAVE ELECTRICAL ISSUES WITH RADIO..RUNNING BOARDS OPENING GOING DOWN THE ROAD. NO SOUND FROM RADIO, SIGNALS ...NO CONNECTIONS TO GOOGLE ON STAR LOST. RADIO SCREEN HALF OF SCREEN SHUTS OFF. FRONT CRASH SENSORS GO OFF WITH NOTING IN FRONT OF VEHICLE...LOSS OF CAMERAS NO CONNECTION. SOUNDS LIKE A BUG ZAPPER UNDER TRUCK. GM HAS REPROGRAMMED TRUCK NOW 3 TIMES SENT A TECH FROM FACTORY...REPLACED RADIO REPROGRAMMED ALL COMPUTERS AGAIN!! TRUCK HAS BEEN IN THE SHOP THIS TIME FOR OVER 30 DAYS WITH 6200 MILES ON IT THIS IS THE 4TH TIME SINCE I BOUGHT IN JUNE. HAVE A CASE REPRESENTATIVE FROM GM WHO WILL NOT HELP WITH ISSUES JUST KEEPS PUTTING ME OFF. HAVE VIDEOS PICTURES OF ALL THE ISSUES AND HAVE GIVEN TO DEALER AND GM
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11543535September 9, 2023
SUSPENSION
There is a clunking and popping noise on the rear suspension or spring leaf when going between 5-20 mph, there is no active recalls for this but there is a lot of people complaining about this problem and the dealer does not wants to take responsibility for this issue need help. They are forums online all over the country complaining about this issue.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11542786September 5, 2023
STRUCTURE:BODY
I have approximately 7K miles on my truck. The problem I am reporting is the omission of a warning light or some other method of warning if the tailgate which is electronically controlled by a button center near the console, central to and just above an area provided for storage of loose personal items, and also activated by a electronic key FOB which I keep in my pocket while driving. I have had at least 8 instances of the gate opening while driving. I expect others have had the same issue. It seems GM could add a dash light or tone if this happens while vehicle is in motion.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11542148September 1, 2023
LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH
The contact owns a 2023 GMC Sierra 1500. The contact stated while driving at an undisclosed speed, the tailgate inadvertently opened without warning. As a result of the failure, a cooler fell from the bed of the vehicle. No warning light was illuminated. The contact was concerned for his safety and the safety of other drivers while driving on the roadway. The vehicle was not diagnosed or repaired. The dealer was notified of the failure. The manufacturer was not notified of the failure. The failure mileage was approximately 2,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11541322August 29, 2023
SERVICE BRAKES
electric parking brake turn on while towing behind Rv did damage to driver side ,had towed it for 340 miles before this happened it is not in my manual to disconnect the ground cable ,when I took it to dealer they gave me a paper stating I need to disconnect the ground cable after putting truck in neutral I told them GM should have put that in the manual instead of tell the dealer .I have turned a claim into GM thru bbb auto line have not heard back yet
Crash:
Yes
Fire:
No
Injuries:
0
Deaths:
0
#11541504August 29, 2023
AIR BAGS
Warning light stated “Vehicle Restraint System requires Service”. Dealership looking into warning light.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11540671August 25, 2023
UNKNOWN OR OTHER
This vehicle has a remote tail gate drop function in the center console. The button is extremely easy to accidentally activate and will activate at any time including when in gear. This creates a significant safety risk as the tailgate can accidentally open while driving at high speeds and cause any load or objects in the bed to fall out and become dangerous projectiles and/or significant roadway hazards. In addition there is no warning message to indicate that the tailgate has opened, creating further safety concerns that the vehicle operator would not realize that the tailgate has opened until they start to lose the contents of the bed. There is no vehicle setting that will disable this function, creating a situation where it is impossible for the operator to ever safely secure objects in the bed.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11540147August 22, 2023
ELECTRICAL SYSTEM
The contact owns a 2023 GMC Sierra 1500. The contact stated while driving 25 MPH, the vehicle lost motive power and decelerated while the accelerator pedal was being depressed. The check engine warning light was illuminated. The dealer diagnosed the vehicle and determined that a software update was needed. The vehicle was repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 7,780.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11539087August 17, 2023
STEERING, ELECTRICAL SYSTEM
Driving home in the 2023 GMC Sierra 1500, when the error message came up to Service Power Steering. A short time later also had messages for ESC, Restraint System, and Trail Brakes error messages. Then lost all electric power assist on the power steering, and truck almost impossible to turn without extreme effort. Took to dealer and they had truck for almost 2 weeks and said they couldn't replicate the problem. Within 24 hours of getting it back I had the exact same problem, with total loss of power steering assist. Parked truck for approx an hour, and it reset and was functioning normally again. Short time later got the Service Power Steering message again, but didn't lose power steering this time before the computer evidently reset. Major safety issue because if this happens while taking a turn or something at high speeds, I'll be in a ditch or lose control into another lane. Based on research, this has been happening with GM vehicles for a while now, but GM doesn't have any recall on these models, so dealer tells me there is nothing they can do.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11538187August 13, 2023
ELECTRICAL SYSTEM, UNKNOWN OR OTHER
Upon start up the HVAC fan speed reduces by self and will not increase by own in auto mode.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11538208August 13, 2023
ELECTRICAL SYSTEM, UNKNOWN OR OTHER, VISIBILITY/WIPER
--Unwanted Reduction in The Front HVAC Blower Speed and Loss of Radio, Auto AC not working as designed --driver seat vibrating as the lane departure warning activated; I had turned the seat vibrate function off on 25 June 2023. I then went into settings to turn the function off again, and the system would not allow to make the change, it stayed in vibrate function --the passenger front window will not go up automatically, had to hold the button to make the window go up all the way. I then had a message in the DIC, that said, “Open and close passenger door”. I did so, at the next stop, but the message stayed on the DIC and the window still would not go up automatically with the button -- when the vehicle is operated and the AC is NOT on, just the fan, and windows down, and the auto temp set at 68 degrees, when at idle, there is an obvious increase in very hot air coming from the vents and stays that way until the vehicle is back in motion. Then it seems to adjust back toward normal outside air. During all this operation the recirculation is open to outside air --auto rain sensing windshield wipers; stops at full arc and hesitates during operation --driver side review mirror does not go back to preset 1 position, when put in reverse, both mirrors tilt lower, as I have set, but when put back into drive, the driver mirror does not fully recover until I push the 1 setting --DIC message of key not in vehicle, even when the key is in vehicle and vehicle is in motion, the DIC message stays on screen saying key not in vehicle --with AC in ON position, cold air stops and very warm/hot air starts coming out for about 30-60 seconds, then cold air starts coming out again, happens during driving and stopped, at any speed --Truck WIFI does not connect automatically SOFTWARE NOT UPDATED FROM GM- OTHER SAFETY ITEMS ARE AFFECTED --Auto headlights --Auto brakes --Auto wipers --Auto systems not working as designed
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11536780August 6, 2023
VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
I bought a 2023 GMC Sierra Elevation pickup truck and I need towing mirrors and GM will not sell me them. They offer them if you order a truck which takes a long time. I had to buy my truck off the dealers lot because I had an accident with my previous truck. I tow a 34' long 8' wide travel trailer and feel it is a safety hazard not having towing mirrors to safely see, drive and maneuver my travel trailer driving. I don't buy any excuses that they're not available due to shortages. I talked to my dealer, GMC customer support who also transferred me to their accessory representative who wouldn't talk to me because I wasn't a dealer.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11535448July 31, 2023
EXTERIOR LIGHTING
The contact owns a 2023 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed at night on an undulating roadway, the contact noticed that due to the narrow vertical area of illumination of the head lights, front visibility was severely reduced, with the lowest portion of the area in front of the vehicle receiving little to no illumination. The contact stated that the failure was not present while driving on a flat roadway. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. The manufacturer was notified of the failure but was unable to provide any assistance. The failure mileage was 1,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11535309July 30, 2023
UNKNOWN OR OTHER
Sunroof glass shattered. This is the first summer for the truck. Travelling at ~75MPH the sunroof glass shattered. Neither driver nor passenger saw any objects in the air. I was not travelling under an overpass. Over the last 2 months I have been awaiting repair I have tried various methods to cover the sunroof and all have failed. Some easily pop off. Others hold better, but when travelling at higher speeds (>50MPH), the covering will bulge outward presumably from the pressure difference from outside to inside the cabin. My guess at root cause is a combination of pressure on the glass created by airflow over the truck at highway speeds, ~85degF air temperature, full sun load, and possibly stress of the roof (which is black).
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11532347July 14, 2023
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL, LANE DEPARTURE: ASSIST
On March 22, 2023, my wife and I purchased a new 2023 GMC Sierra 3500 Denali from Coast Buick GMC. Before purchasing, we asked the salesman if it had adaptive cruise control and lane keep assist, and he said yes and showed us the buttons and explained how they worked. We purchased the truck because it had these features. Four days later, on a trip out of town, we found that the adaptive cruise control and lane keep assist did not work. We looked online and saw similar GM vehicles with the same buttons, showing how to use the systems, but ours didn’t work. During our trip, the salesman texted me and said he needed me to sign a document. I told him that we couldn’t figure out the adaptive cruise control and lane keep assist, and Sal responded in writing via text, “OK be my pleasure to show you the adaptive cruise and lane keep assist.” We came into the dealership the next day, on March 28, 2023, with only 251 miles on the truck, and were told it didn’t have these features. The Dealership and GM have refused to make this right. GM’s design of the buttons in the truck for the warning systems closely, if not exactly, match the buttons for adaptive cruise control and lane keep assist options in other GM vehicles, which is very misleading. My brother-in-law has a 2020 model and he still thinks his has adaptive cruise control and lane keep assist, but they just don’t work very well, even after I told him it doesn’t. Today, while dropping off my truck at the GM Service Department for repair, the Service Department Representative said a lot of customers were told their GMC HD truck had lane keep assist and adaptive cruise control. This is a fraudulent or misleading design, which could result in serious injury or death.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11531749July 12, 2023
UNKNOWN OR OTHER
Bose radio randomly goes to maximum volume and you cant turn if off. This has happened twice and nearly cause wrecks each time trying to get out of traffic to turn the vehicle off.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11531780July 12, 2023
STRUCTURE:BODY
In past three weeks, the tailgate just drops down for no reason at all. Sometimes going down the highway, other times while I am parking vehicle the Tailgate Lowers itself automatically.????Is their a recall out for this, if not should be as you can lose portions of a load in the bed, right out in highway in traffic.....What action if any should I take at this point.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11531556July 11, 2023
ELECTRICAL SYSTEM
Battery - Total discharge of the battery. 2023 GMC Sierra Denali purchased in Jan 2023. In July 2023, vehicle with 3800 miles door would not open, engine turn on, etc with electrical system completely inoperable. Upon checking the battery, it had 0% charge.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11529706June 30, 2023
UNKNOWN OR OTHER
I sent my vehicle to the dealer, Brandywine GMC dealer in Bradywine MD. To have my fluids topped off upon receipt of my truck the next day my truck broke down. I sent my truck back to the dealer where they said Def was placed into the diesel tank by me, which was a lie. I filed an insurance claim because the dealer accused me of putting Def into my diesel tank. The insurance company paid to have everything fixed, however shortly after receiving my car I was traveling the interstate and my speed was cut back to 15 miles per hour per the trucks computer, which almost caused my vehicle to be rear ended. I took the truck to Alexandria va GMC because the codes were telling me that the injection system default , which Brandywine was supposed to have fixed.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11524059May 26, 2023
VEHICLE SPEED CONTROL, ENGINE
The contact owns a 2023 GMC Sierra 1500. The contact stated while driving approximately 60 MPH, the vehicle inadvertently decelerated to approximately 30 MPH and went into LIMP Mode. The check engine warning light, the service power steering warning light, the service transmission warning light, the low tire pressure warning light, and the traction control warning light were illuminated. The contact stated that a message was displayed on the instrument panel to “Service 4-WD and “Reduce Acceleration - Drive with Care. The contact stated that the climate control system increased to 76 degrees. The vehicle was taken to the dealer where it produced codes: P00FF, P1789, P25A2, U0073, U0402, U0418, U1610, U1643; however, the failure could not be duplicated. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 5,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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