Chevrolet Tahoe Complaints (2021)

437 consumer complaints on file.

#11678146August 4, 2025
ELECTRICAL SYSTEM, SERVICE BRAKES, ENGINE
We are apart of the safety recall with the potential brake and engine issues, we have contacted the dealership and they have NO remedy at the current time for our defective vehicle. We contacted GM to request a buy-back due to the safety issues with the vehicle, told we did not qualify BUT they have no remedy for our defective truck. We do not fell safe in the vehicle, the brakes are sticking and the engine is making weird noises. We are currently seeking legal representation because we are being forced to drive around our family of 5 in an unsafe vehicle with NO remedy or option to trade it in.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11677801August 1, 2025
ENGINE
The contact owns a 2021 Chevrolet Tahoe. The contact stated that while driving at approximately 40 MPH and accelerating to merge onto a highway, the check engine warning light started flashing. Additionally, the contact stated that there was an abnormal clunking sound coming from underneath the floorboard and coming from the engine compartment. The contact pulled over and stopped the vehicle. The vehicle was towed to the dealer, where it was diagnosed and determined that lifter #6 had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and informed the contact that it was a known failure, and the contact was offered monetary assistance. The contact was also referred to the NHTSA Hotline for assistance. The failure mileage was approximately 61,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11677612July 31, 2025
ENGINE, FUEL SYSTEM, GASOLINE
The contact owns a 2021 Chevrolet Tahoe. The contact stated that while driving on two occasions at various speeds, the vehicle stalled. There were no warning lights illuminated. The vehicle was not able to restart. The vehicle was towed a dealer where it was diagnosed that he fuel control module needed to be replaced. The vehicle was repaired, but the failure reoccurred approximately 10 months later. The manufacturer was not notified of the failure. The failure mileage was approximately 67,438.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11677051July 29, 2025
ENGINE
My 2021 Tahoe High Country began to make unrecognizable sounds and the orange engine light started blinking. I immediately pulled over and turned the vehicle off. I was made aware that numerous 2021-2024 V8 6.2L engines are affected. I am waiting for my VIN to be selected in some sort of lottery format to qualify for a fix. I was told by a Chevy Service Technician that it can take 2 weeks or 2 years for GM to find a “remedy”. Unacceptable and very expensive to rent a vehicle for work until GM decides to “remedy” my situation. I truly hope they provide me with a solution soon.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11676970July 29, 2025
ENGINE
Lifter failure and camshaft failure. Found metal in engine oil that has caused bearing failure and engine damage. While driving the Tahoe on [XXX] I experience a jolt on the front right side. Then warning messages regarding the Traction Control and to Service the ESC appeared. As I cleared those messages my engine light was blinking and several other dash lights were lit up. There was a knocking sound. I contacted the dealership (Coyle Chevrolet in Clarksville, IN) and they sent a tow truck to bring it in. They assumed it would be in the recall but it is not. I am without a vehicle and the engine is backordered. It's not right that GM is picking which engines they are going to include in the recall when they know there is a manufacturing issue. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11676621July 28, 2025
ENGINE
I was driving down I-635 (Dallas) at 70mph on Friday 7/25 when my Tahoe started shaking, knocking and had complete engine failure. I managed to regain control and slow to the service road. Thankfully the car next to me was paying attention & swerved to avoid me, but honked at me the entire time. The vehicle was towed and we are being told we need to replace the engine for $14,500. As I’ve researched, the 6.2L is recalled for this exact issue. The 5.3L has no current recall but I’m clearly experiencing the same engine failure and being told I’m responsible for it. I had no prior warnings & have regularly maintained this vehicle. Any chance others have complained about the 5.3L as well & our Tahoe’s should be included in this recall?
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11676549July 28, 2025
ENGINE AND ENGINE COOLING
The contact owns a 2021 Chevrolet Tahoe. The contact stated that while driving at various speeds, the vehicle lost power and shut off unexpectedly. The contact stated that several attempts were needed to restart the vehicle to continue driving. The check engine warning light was illuminated during the failure. The vehicle made an abnormal ticking sound while idling. The vehicle was taken to the dealer but was not diagnosed or repaired. The manufacturer was made aware of the failure and confirmed that the VIN was not under recall. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was 24,971.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11676158July 25, 2025
ENGINE, UNKNOWN OR OTHER
I’m reporting a transmission failure that occurred unexpectedly on my 2021 Chevy Tahoe/the diesel version has been recalled so I don’t know why all the other 2021 Tahoe have not been recalled for this issue . The vehicle began shifting roughly and slipping between gears, followed by a warning message and eventual inability to shift properly. I had it inspected by a family friend who owns a body shop , and I was told the transmission needs to be replaced at a cost of nearly $7,000. I am no longer under powertrain warranty, but this failure feels premature and unsafe for such a new vehicle. I’ve seen many other 2021 Tahoe owners report similar issues online including transmission failure, harsh shifting, valve body problems, and complete breakdowns . This seems like a pattern, and I believe it may warrant investigation. I’m asking NHTSA to investigate whether this is part of a broader transmission defect that poses a safety or reliability concern. Sudden shifting issues and inability to accelerate or reverse are dangerous for drivers and passengers. Thank you for your time and attention to this matter.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11675875July 24, 2025
FUEL/PROPULSION SYSTEM
my fuel pump failed while driving on the highway with my whole family. i lost all power and my gas pedal lost all compression. I was barely able to pull off the road safely. no indicators flashed on my dash, no warning just a total loss of power and control. after pulling over, i let the truck sit for a second then tried to restart. it wouldn't. at that point, the yellow check engine indicator turned on. I logged into MyChevrolet and Onstar to see if any notifications were available to help diagnose, but nothing stood out. all systems appeared to be perfect at last check. I check temp and it was normal, oil level, normal. battery level, normal. Key battery, normal. i then started to google why my 2021 tahoe would die while driving and came across and widely known recall for 2021 GMC Full Size SUVs including Tahoes with faulty fuel pumps. my issue matched exactly to the description of what would occur. I did a quick search to see if i missed a recall notice for my truck, and didn't see anything. I was able to get my truck home and then to a dealership for a diagnostic. the only code that was discovered was for the fuel pump/fuel pump module. The dealership is now stating my vehicle doesn't qualify for a recall repair because my VIN doesn't appear on the affected vehicles list and that repairs will total $859.68 out of pocket. however, they also stated that early builds for this year may not have enough evidence. i ordered my truck, built to spec 6 months prior to receiving it. i would like my VIN added to the recall list. I have kept immaculate care of this truck and this is a known safety issue. this is my family moving rig. I don't want it to be unsafe.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11675617July 23, 2025
FUEL/PROPULSION SYSTEM
Fuel Mod failed. Exactly like recall order. My unit not on recall list.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11675572July 23, 2025
POWER TRAIN
In May 2025, my 2021 Chevy Tahoe experienced transmission failure related to the valve body. The vehicle has now been at the dealership (Richard Chevrolet in Cheshire, CT) for over 2 months with no timeline for repair due to a national backorder on the part. This issue is widely reported among 2021 Tahoes and other GM vehicles, and appears to be a systemic transmission defect. I was never notified of any recall or service bulletin, and I’m still making monthly payments on a vehicle that is inoperable. The rental provided does not suit my family’s needs, and GM has been unable to offer a resolution or clear update. This type of critical drivability failure should be classified as a safety concern, especially considering the volume of similar complaints and the absence of repair parts. I am requesting NHTSA investigate this issue further and take action if warranted.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11674328July 17, 2025
SERVICE BRAKES
I have had the break pads and rotors replaced and in the shot over 6 times with them still not fully functioning correctly. I finally gave up on them and still expected to pay again. I don’t feel like this car is safe and have had nothing but issues
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11673916July 16, 2025
ENGINE, POWER TRAIN, ELECTRICAL SYSTEM
On 01/03/24, the vehicle stalled and smoked on the Suncoast Parkway. All dashboard warning lights and messages illuminated, and the vehicle entered emergency park mode. OnStar was contacted and the vehicle was towed to Jenkins Chevrolet in Homosassa, FL. The failure was linked to a broken pulley and belt system that damaged the ECM and wiring harness. No DTCs were pulled, and mileage in/out was 80042/80043—no test drive performed. On 08/06/24, the vehicle returned to Jenkins for a roaring noise. A pulley bearing was replaced, possibly related to the earlier failure. Again, no drivability evaluation or codes recorded. On 03/09/25, the same full system warning lights/messages appeared again. The vehicle experienced harsh shifting and delayed acceleration. It was taken to AutoNation Chevrolet South Clearwater on 03/10/25. DTCs (P0700, P0717, P2714, P2716, P0706, and U-codes) were found but dismissed. Only the battery was replaced. Mileage in/out was 99494—no test drive performed despite claims one occurred. On 07/08/25, the vehicle again showed full dashboard warnings. Brought back to AutoNation on 07/09/25. On 07/14/25, customer received a $9,177.85 estimate including full transmission replacement. Safety was at risk due to repeated stalling, loss of acceleration, and emergency parking mode while driving or merging. These failures could have led to accidents or left the vehicle disabled in traffic. Driver and children were present during each incident. The vehicle is enrolled in OnStar and the MyChevy app, which provide monthly health reports. Despite these incidents, no faults or warnings were ever shown in the reports. Vehicle remains available for inspection. A case is open with GM. Across 4 service visits, GM-certified dealerships failed to follow proper protocols, including code checks, drivability assessments, and test drives—contributing to delayed diagnosis of transmission failure.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11673662July 15, 2025
ENGINE AND ENGINE COOLING
The contact owns a 2021 Chevrolet Tahoe. The contact stated that while driving approximately 70 MPH the vehicle stalled. The vehicle was towed to the local dealer who diagnosed the vehicle and determined that the engine had seized and needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure. The contact was informed that the VIN was included in the NHTSA Campaign Number: 25V274000 (ENGINE AND ENGINE COOLING). The contact indicated that the vehicle had experienced the failure listed in the recall. The failure mileage was 47,000. The VIN was invalid.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11673303July 14, 2025
SEAT BELTS, UNKNOWN OR OTHER
Our vehicle was rear ended and the front passenger seatbelt did not lock or (possibly) locked too late. The front passenger's face hit the dashboard, as well as their knees and feet. The vehicle that hit ours was estimated to be travelling at about 45 mph and we were rolling at around 5 mph in traffic. The failure has not been able to be reproduced by the collision center, the sensor callibration contractor, nor the dealership. No sensors showed any failures and the tension appears to be correct on the seatbelt. We have been unable to determine why the seatbelt failed during this incident and if the vehicle will react appropriately in the event of another collision.
Crash:
Yes
Fire:
No
Injuries:
1
Deaths:
0
#11673180July 13, 2025
SEATS, UNKNOWN OR OTHER
3rd row headrest- not staying upright was recalled prior to current condition not upright 2nd row seat- adjustment cable broken no longer working Transmission- pump and valve body failed required replacement
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11672350July 9, 2025
POWER TRAIN
The contact owns a 2021 Chevrolet Tahoe. The contact stated that while driving at an undisclosed speed, the transmission unexpectedly downshifted to a lower gear. There was no warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed that the transmission valve body had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 39,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11672162July 9, 2025
POWER TRAIN, FUEL SYSTEM, GASOLINE
The contact owns a 2021 Chevrolet Tahoe. The contact stated that the vehicle displayed "Reduced Power," and the rear wheels started to lock-up. The contact was able to keep control of the vehicle and continued driving. The vehicle was taken to the dealer, who completed the repair under NHTSA Campaign Number: 24V797000 (Power Train). The contact stated that after the recall repair, while leaving the dealer and driving approximately 10 MPH, the vehicle veered off to the right and ended up partially in the next lane. The contact stated that the vehicle unintendedly shifted into neutral, and the message to "Press Start Again" was displayed. The contact was able to restart the vehicle and parked the vehicle in a nearby parking lot. The contact restarted the vehicle and drove back to the dealer. The failure recurred twice while returning to the dealer. The dealer diagnosed that there was a fuel pump drive failure. The vehicle was not repaired. The manufacturer was informed of the failure and confirmed the VIN was no longer under NHTSA Campaign Number: 24V797000 (Power Train). The manufacturer opened a case. The failure mileage was approximately 69,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11671289July 4, 2025
ENGINE, FUEL/PROPULSION SYSTEM
Automatic fuel management/ Displacement on demand caused lifter failure which caused cylinder failures.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11670061June 29, 2025
FUEL/PROPULSION SYSTEM
My [XXX] and myself were going down the interstate and my Tahoe started to sputter and the gas pedal no longer worked. I had to get over to the shoulder of the interstate because my vehicle would not accelerate. It turned off as I was navigating to the shoulder. Thankfully I was able to get there safely without causing an accident. The vehicle completely turned off and would not crank leaving us stranded on the side of the road. I called my husband because I did not know what to do. I kept trying to start the vehicle and it would sputter, but not start. Finally after multiple attempts it cranked up and I was able to get home. The vehicle has not been inspected yet by a dealership; it will be taken first thing in the morning. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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