GMC Sierra Complaints
15,732 consumer complaints on file.
- #11607325August 8, 2024ENGINE
On the evening of 5/6/24, my husband was driving home in our 2021 GMC Sierra 1500 when the truck started to run hard, shaking, and the check engine light came on and was blinking. He pulled onto the side of the road immediately and more messages were coming across the dashboard. The truck was towed to a dealership that same night. Once the dealership assessed what was wrong, we were advised by the dealership who confirmed the lifters failed. The truck is currently still sitting at the dealership as we're waiting for the parts because we've been told multiple times that the parts are on backorder. I understand the truck is available for inspection as its been sitting on the lot since 5/6/24. This is the first time this has happened to the truck, zero prior issues. The truck has great service records and has always been properly maintained. We are currently still under the manufacturer warranty. To date, the dealership is still in possession of the truck for 90 days, and we still do not have any ETA on when the parts will arrive/truck will be fixed.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11607418August 8, 2024ELECTRICAL SYSTEM
While driving, I turned the volume on the radio a couple clicks louder using the steering wheel controls. After I stopped pushing the volume button on the steering wheel, it continued to rapidly increase volume until it maxed out. It was incredibly loud, in a panic, I verified the VOL+ button was not stuck. The VOL- on the steering wheel did not reduce the volume. I spun the volume button down, on the radio, but it would instantly return to full volume the moment I stopped spinning it. The power button on the radio also had no effect. I was driving at 50mph and had no way to reduce the volume from the max, which was incredibly distracting to say the least. I was finally able to get it to stop by pulling out my phone (which was connected via CarPlay) and hitting the pause button on my phone. Afterwards it behaved as normal, but my man did my ears hurt. Luckily there wasn’t any traffic nearby as I could hardly focus on the road while fumbling with the audio.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11607154August 7, 2024UNKNOWN OR OTHER, ELECTRICAL SYSTEM
When it rains, there are puddles of water on the passenger side! Cannot figure out how the water is getting in..my concern is of a potential electrical short/ fire / failure of a system that doesn’t allow me to operate the vehicle safely! Possibly, affecting other functions of the vehicle during operation!
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11607029August 7, 2024SERVICE BRAKES, PARKING BRAKE
The contact owns a 2020 GMC Sierra 2500. The contact stated that while driving 65 MPH, the message "Check Service Brakes Now" was displayed. The vehicle was taken to an independent mechanic, where it was diagnosed with electric parking brake malfunction. The mechanic informed the contact that the electric parking brake had been engaged unintendedly, causing the rear driver's side brake calipers to seize. The vehicle was repaired; however, the failure recurred on the rear passenger's side while driving. The vehicle was taken to the dealer, where it was diagnosed with electric parking brake circuitry failure. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 62,000.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11606777August 6, 2024SERVICE BRAKES, HYDRAULIC
The contact owns a 2014 GMC Sierra 1500. The contact received notification of NHTSA Campaign Number: 19V645000 (Service Brakes, Hydraulic) however; the contact disregarded the letter. The contact stated that while attempting to parallel park, the brakes failed to operate properly. The contact stated that the brake pedal became abnormally stiff. The contact was able to operate the brake pedal and park the vehicle. The vehicle was then taken to a dealer for a routine oil change, and the vehicle was diagnosed with a non-functional vacuum pump. The vehicle was not repaired. The manufacturer was made aware of the failure; however, the contact was informed that the recall had expired. The failure mileage was approximately 135,000.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11606443August 5, 2024STEERING, ELECTRONIC STABILITY CONTROL (ESC)
The contact owns a 2014 GMC Sierra 1500. The contact stated while driving at an undisclosed speed, the vehicle lost power steering functionality, with the stabili-trak warning light illuminated. In addition, the contact stated that the vehicle had since lost steering functionality. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximate 207,900.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11606320August 4, 2024SERVICE BRAKES, STEERING
The vehicle while driving just rapidly steers to one side out of nowhere and some of the times even breaks.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11606297August 3, 2024UNKNOWN OR OTHER
Service Trailer Brake System warning will not stop dinging and alerting. this happens constantly with or without a trailer . I dismiss the alert and it continues to sound off. I have trouble thinking or talking. Very Very distracting. Took my vehicle to the dealer and they did not know how to fix it.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11605969August 1, 2024STRUCTURE:BODY
There is a current safety recall N232426400 on GMC pickups including the year of my truck. GMC is saying that my VIN is not covered by the recall. However, I have the multi-pro tailgate and it came open about 6 months ago on its own as i was backing up and it caused me to run into my trailer with the tailgate. I put my tailgate up after moving my truck from under my trailer and then when i went to back up somehow the tailgate popped open and i didnt know and it contacted the top of tailgate while it was down.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11605593July 31, 2024STEERING, SERVICE BRAKES, ENGINE
My vehicle has on two separate occasions experienced a failure where the steering locks up, the engine shuts down, and the dash displays warnings about stabilitrac and trailer wiring. The vehicle has had random electrical glitches for some time, but they have escalated to a safety issue. In doing research, my issues sound very similar to those issues which resulted in a recall to earlier vehicles of the same generation, on report 17V-414. Googling the issue also points to insufficient grounding at the battery and / or the G218 grounding connection.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11605387July 30, 2024POWER TRAIN
The contact owns a 2018 GMC Sierra 1500. The contact stated while shifted into reverse, there was a loud clunking sound coming from the vehicle and the vehicle failed to respond as intended. The contact attempted to shift to drive(D) and neutral(N) and then back to reverse(R) however, the failure persisted. The vehicle was towed to a dealer where it was diagnosed and determined that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 92,288.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11605469July 30, 2024ELECTRICAL SYSTEM
Radio screen will go blank randomly after turning the truck off the I can here the radio but can not see any screen. After turning the radio of an exiting the truck radio still plays all of the sudden the radio will go off and restarting the truck radio is working again .At any random time the radio will go blank again
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11605495July 30, 2024STRUCTURE:BODY
Extreme frame rust and rot issues with this truck and many around this year they’re rotting away excessively
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11605497July 30, 2024SERVICE BRAKES, STEERING, FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
Power steering was going in and out then all of a sudden completely went out.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11605067July 29, 2024ELECTRICAL SYSTEM
The contact owns a 2018 GMC Sierra 3500. The contact stated while driving at various speeds, several unknown warning lights illuminated on the instrument panel. The contact pulled over to the shoulder of the roadway to restart the vehicle. After the vehicle was restarted, the vehicle hesitated to stop while depressing the brake pedal. The local dealer was contacted, but the vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 53,800.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11605040July 29, 2024STEERING
The contact owns a 2022 GMC Sierra 1500. The contact stated while driving at approximately 55 MPH, the contact observed a loud sound coming from the front passenger’s side of the vehicle. The contact stated that the steering wheel then pulled to the right. The vehicle was steered to the side of the road and inspected. The vehicle was towed to a dealer where it was awaiting a diagnostic test. The manufacturer was notified of the failure. The failure mileage was approximately 32,000.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11605042July 29, 2024ELECTRICAL SYSTEM
Approx 17 months after purchase, tailgate release button (the lower button on the tailgate that is used to open (fully) the tailgate) stopped releasing the tailgate, however tailgate releases randomly when opening one of the truck doors. Based on the "fix" that has been subscribed for existing Chevy & GMC trucks with recalls for this same problem (although my truck isn't covered by current recalls) , my mechanic has ordered a new tailgate release switch (or whatever it is called) which they are installing tomorrow.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11605044July 29, 2024STEERING
The contact owns a 2016 GMC Sierra 1500. The contact stated while driving 60 MPH, the power steering assist became inoperable. While driving at slow speeds, the power steering assist was intermittently inoperable. The power steering warning light was illuminated was intermittently inoperable. The local dealer was contacted, but the vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 90,200.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11604873July 27, 2024POWER TRAIN
The AFM/DFM system in these trucks are making the engines and transmissions go out around 70k miles. The lifters fail right around the same time factory warranty runs out then your left with a 6 thousand dollar bill to have it fixed. I hope this becomes a recall because numerous people I talk to are getting rid of they're gmcs and chevys and going elsewhere.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11604778July 26, 2024SERVICE BRAKES, ELECTRICAL SYSTEM
Electric trailer brake control modular is malfunctioning on my 2015 GMC Sierra Denali 3500. Multiple of sources told me this is a common problem with this generation of GMC.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0