Every 2021 GMC Sierra recall
Each campaign as NHTSA published it: what is wrong, what can happen, and the fix. Newest first.
Power Train · NHTSA 26V083000
Oct 9, 2026Power Train:Automatic Transmission:Control Module:Software
- Problem
- General Motors, LLC is recalling certain 2020 Chevrolet Silverado 2500, 3500, GMC Sierra 2500, 3500, and 2020-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles that may have been repaired incorrectly under recall 24V797. The transmission control valve may fail and cause the rear wheels to lock up.
- Risk
- Rear wheel lock up increases the risk of a crash.
- Fix
- Dealers will inspect the vehicles and update the transmission control software, free of charge. Owner notification letters were mailed March 6, 2026. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252516560. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 12, 2026.
Full recall details for 26V083000 →Engine and Engine Cooling · NHTSA 25V274000
Apr 24, 2025Engine and Engine Cooling:Engine:Hard Parts Internal/Mechanical
- Problem
- General Motors LLC (GM) is recalling certain 2021-2024 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles equipped with a 6.2L V8 gas engine. The connecting rod and/or crankshaft engine components may have manufacturing defects that can lead to engine damage and engine failure.
- Risk
- Engine failure increases the risk of a crash.
- Fix
- Dealers will inspect the engine, and as necessary, repair or replace the engine. For vehicles that pass inspection, dealers will add higher viscosity oil, install 6 oil fill cap, replace the oil filter, and update the owner's manual. Repairs will be performed free of charge. Owner notification letters were mailed June 18, 2025. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N252494000.
Full recall details for 25V274000 →Power Train · NHTSA 24V797000
Oct 24, 2024Power Train:Automatic Transmission:Control Module:Software
- Problem
- General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and cause the rear wheels to lock-up.
- Risk
- Rear wheel lock-up can increase the risk of a crash.
- Fix
- Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a defective control valve. Owner notification letters were mailed December 12, 2024. Owners may contact GM customer service at 1-888-988-7267, Cadillac customer service at 1-800-458-8006, GMC customer service at GMC 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242454440.
Full recall details for 24V797000 →Latches/Locks/Linkages · NHTSA 24V060000
Jan 2, 2024Latches/Locks/Linkages:Tailgate:Latch
- Problem
- General Motors, LLC (GM) is recalling certain 2020-2024 Chevrolet Silverado 2500, 3500, GMC Sierra 2500 and 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently unlatching while the vehicle is in park.
- Risk
- An unlatched tailgate may open while driving and result in a loss of unsecured cargo, creating a road hazard and increasing the risk of a crash.
- Fix
- Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed May 17, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N232426400.
Full recall details for 24V060000 →Tires · NHTSA 21V985000
Dec 16, 2021Tires:Temporary/Emergency Spare Tire
- Problem
- General Motors (GM) is recalling certain 2019-2021 GMC Sierra 1500 and Silverado 1500 vehicles equipped with certain accessory road tires and a 17" spare tire. The 17" spare tire provided with the vehicle is not compatible for use with the accessory wheels, which can cause the anti-lock brake system (ABS) to not function properly under certain conditions.
- Risk
- An ABS system that does not function properly can increase the risk of a crash.
- Fix
- Dealers will provide a new 17" spare tire and wheel assembly that is compatible with the accessory wheels, free of charge. Dealers will also apply a new spare tire information label, and provide owners with an owner's manual insert clarifying which spare tire to use with the accessory road tires and with the 17" original tires. Owner notification letters were mailed February 7, 2022. Owners may contact GM customer service at 1-800-462-8782 or GMC customer service at 1-800-462-8782. GM's number for this recall is N212346510.
Full recall details for 21V985000 →Service Brakes, Hydraulic · NHTSA 21V758000
Sep 29, 2021Service Brakes, Hydraulic:Power Assist:Electric:Control ModulePark outside
- Problem
- General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500, and Sierra 3500 vehicles with electronic brake control modules (EBCM) replaced during vehicle assembly. The bolts that attach the brake pressure modulator valve (BPMV) assembly may not be properly tightened, which could fail to seal the two sub-assemblies and allow water intrusion.
- Risk
- Water in the BPMV may cause an electrical short circuit and increase the risk of fire.
- Fix
- Owners are advised to park outside and away from other structures until the recall repair is completed. Dealers will replace the BPMV assembly, free of charge. Owner notification letters were mailed on October 20, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N212349181.
Full recall details for 21V758000 →Tires · NHTSA 21V578000
Jul 29, 2021Tires:Temporary/Emergency Spare Tire
- Problem
- General Motors, LLC. (GM) is recalling certain 2020-2021 Chevrolet Silverado 2500 and GMC Sierra 2500 vehicles equipped with a 17" spare tire (RPO ZHQ or ZXT) and either the 20" accessory road tire (RPO REM) or the 18" accessory road tire (RPO Q2V). Operating the spare tire with other 20" or 18" tires can prevent the Anti-Lock Braking System (ABS) from engaging.
- Risk
- An ABS system that cannot control the rear wheels independently increases the risk of a crash.
- Fix
- Dealers will provide the appropriate spare tire and apply a new spare tire information label, free of charge. Owner notification letters were mailed on October 18, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020; GMC customer service at 1-800-462-8782. GM's number for this recall is N212329780.
Full recall details for 21V578000 →Seat Belts · NHTSA 20V811000
Dec 23, 2020Seat Belts
- Problem
- General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.
- Risk
- If a seat belt assembly is not properly attached to the vehicle, the seat belt may not properly restrain an occupant in the event of a crash, increasing the risk of injury.
- Fix
- GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began January 29, 2021. Owners may contact GMC customer service at 1-800-462-8785, Cadillac customer service at 1-800-458-8006, or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202322230.
Full recall details for 20V811000 →Seat Belts · NHTSA 20V792000
Dec 17, 2020Seat Belts
- Problem
- General Motors, LLC (GM) is recalling certain 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500, 2021 Chevrolet Suburban and Tahoe and GMC Yukon XL and 2020-2021 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles. The seat belt brackets may not be secured to the seat frame in the front-row center seating position.
- Risk
- If a seat-belt bracket is not secured, the seat belt may not properly restrain an occupant in the front-row center seat position, increasing the risk of injury in a crash.
- Fix
- GM will notify owners, and dealers will inspect left-side and right-side front-row center seat-belt bracket attachments and reassemble it correctly as necessary, free of charge. The recall began January 26, 2021. Owners may contact GMC customer service at 1-800-462-8782, Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202314670.
Full recall details for 20V792000 →Tires · NHTSA 20V684000
May 11, 2020Tires
- Problem
- General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, GMC Acadia and Chevrolet Traverse vehicles and 2020-2021 Chevrolet Silverado 1500, GMC Sierra 1500 vehicles. The vehicles may have been manufactured with Continental tires that were overcured.
- Risk
- Overcured tires may experience a carcass break in the sidewall resulting in a sudden air loss or could develop a belt edge separation which could lead to partial or full tread/belt loss. Either condition increases the risk of a crash.
- Fix
- GM will notify owners, and dealers will inspect vehicles and replace tires that have DOT number and production mold number combinations identified by Continental, free of charge. The recall began December 17, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202319030.
Full recall details for 20V684000 →
2021 GMC Sierra complaints and service bulletins
Owners filed 653 complaints with NHTSA about the 2021 GMC Sierra, reporting 10 crashes, 7 fires, 4 injuries. GMC has issued at least 1,452 technical service bulletins (repair instructions to dealers) for this model year. Complaints are unverified owner reports; a recall is the manufacturer’s admission of a safety defect.
Most-reported components
- Engine321
- Power Train162
- Electrical System87
- Engine and Engine Cooling49
- Unknown Or Other48
- Fuel/Propulsion System41
Service bulletins by component
- Equipment (765)
- Electrical System (756)
- Engine and Engine Cooling (657)
- Unknown Or Other (500)
- Power Train (440)
- Engine (315)
Read GMC Sierra owner complaints and bulletins, every year
NHTSA defect investigations covering the 2021 GMC Sierra
NHTSA’s Office of Defects Investigation lists this model year in 5 investigations. An investigation is not a recall; it is how NHTSA decides whether one is needed.
What people reported
Owners have filed 653 complaints with NHTSA about the 2021 GMC Sierra. A few in their own words, shortened. Complaints are unverified and are not proof of a defect or of any recall.
Crash
“Vehicle Safety Hazard Summary: This complaint concerns an incomplete, non-compliant post-collision structural repair on a 2021 GMC Sierra 1500 (VIN: [XXX]).”
2021 GMC SIERRA 1500Oct 3, 2026 · OH
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11768724
“The contact filed the complaint on behalf of the owner of a 2021 GMC Sierra 3500. The contact stated that while the vehicle owner was driving at an undisclosed speed, the driver noticed that the rear wheels were attempting to lockup.”
2021 GMC SIERRA 3500Jun 12, 2026
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11743698
Crash
“When I'm in reverse the up the cameras turn off. On one incident I was backing up and the camera turned off causing me to back up into the wall of my house”
2021 GMC SIERRA 2500Sep 11, 2025
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11686699
Injury reported
“The contact owns a 2021 GMC Sierra 1500. The contact stated that while the vehicle was parked, the battery charge indicator to zero. The vehicle lost motive power, and the vehicle was unable to exceed 30 MPH while driving. The vehicle was driven in LIMP Mode.”
2021 GMC SIERRA 1500Sep 28, 2026 · OK
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11767454
“During takeoff the transmission acted as if it was in neutral while I was crossing traffic luckily, the semi truck that was coming towards me was able to stop. I had the vehicle towed to a shop.”
2021 GMC SIERRA 3500Nov 24, 2025
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11701315
Check your Sierra by VIN
Not every 2021 GMC Sierra is in every recall. Enter your 17-character VIN to see the recalls on record for your exact vehicle, then confirm which are still open at NHTSA.gov or with any GMC dealer.
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