2021 GMC Sierra 1500 recalls and problems

7 recalls and 596 owner complaints on file with NHTSA for the 2021 GMC Sierra 1500.

7
recalls
596
owner complaints
6
complaints mentioning a crash
6
mentioning a fire

Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.

2021 GMC Sierra 1500 recalls

Power train: automatic transmission, control module, software · Power train: automatic transmission, fluid/lubricant, valves/valve body

NHTSA campaign 26V083000 · reported February 12, 2026 · General Motors, LLC · 1,055 vehicles potentially affected

The 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.
The risk
Rear wheel lock up increases the risk of a crash.
The 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.

Engine and engine cooling: engine, hard parts internal/mechanical

NHTSA campaign 25V274000 · reported April 24, 2025 · General Motors, LLC · 597,571 vehicles potentially affected

The 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.
The risk
Engine failure increases the risk of a crash.
The 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.

Power train: automatic transmission, fluid/lubricant, valves/valve body · Power train: automatic transmission, control module, software

NHTSA campaign 24V797000 · reported October 24, 2024 · General Motors, LLC · 463,295 vehicles potentially affected

The 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.
The risk
Rear wheel lock-up can increase the risk of a crash.
The 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.

Tires: temporary/emergency spare tire

NHTSA campaign 21V985000 · reported December 16, 2021 · General Motors, LLC · 626 vehicles potentially affected

The 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.
The risk
An ABS system that does not function properly can increase the risk of a crash.
The 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.

Seat belts: critical fasteners · Seat belts

NHTSA campaign 20V811000 · reported December 23, 2020 · General Motors, LLC · 470 vehicles potentially affected

The 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.
The 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.
The 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.

Seat belts: critical fasteners · Seat belts

NHTSA campaign 20V792000 · reported December 17, 2020 · General Motors, LLC · 624,216 vehicles potentially affected

The 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.
The 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.
The 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.

Tires

NHTSA campaign 20V684000 · reported November 5, 2020 · General Motors LLC · 7,516 vehicles potentially affected

The 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.
The 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.
The 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.

Most reported problems

Areas named in owner complaints to NHTSA. One complaint can name several areas.

What owners report

Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.

Oct 21, 2026 · Engine

Engine locked up while driving down the road at highway speeds. Lost all power and had to pull to shoulder of road. Was towed to dealership and confirmed engine locked up and covered under special recall. Was looked at a few months back and passed the recall test on engine. No lights or signs of engine failure before…

Oct 20, 2026 · Engine

My 2021 GMC 1500 Sierra has the 6.2L motor that has significant known issues with catastrophic engine failure involving the camshaft and lifters. The engine in my truck has suffered the same failure but for some reason my VIN is not included in the recall of nearly 600,000 GMC trucks. I called GMC Customer Service and…

Oct 20, 2026 · Power train · 106,554 miles

The contact owns a 2021 GMC Sierra 1500. The contact stated that while driving at 55 MPH, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The contact became aware of an abnormal sound, and the check engine warning light was illuminated. The vehicle was driven to the shoulder…

Oct 19, 2026 · Engine

My vehicle fits Special Coverage N252508341in every way, except the dealership tells me that my VIN is not covered. I drive a 2021 GMC Sierra 1500 with approximately 61,000 miles. This weekend a Check Engine Light illuminated with P1010 code. All the symptoms described in Special Coverage N252508341 were exhibited…

Oct 18, 2026 · Engine

Service light came on because the brake petal would push back when I tried to start it. At times, I had to push down all the way almost to the floor and then it would start. If I eased up slightly or did not push all the way, the truck would hesitate to start. I brought it in to Courtesy GMC of […]. They found metal…

Sierra 1500 model years compared

YearRecallsComplaintsCrashesFires
2018 7305101
2019 10658133
2020 12483125
2021 759666
2022 659895
2023 349752
2024 137450

Across all years, the 2014 Sierra 1500 has the most complaints (743). All GMC Sierra 1500 years →

Questions

Does the 2021 GMC Sierra 1500 have any recalls?
Yes. NHTSA lists 7 recalls for the 2021 GMC Sierra 1500, the most recent reported on February 12, 2026 (Power train: automatic transmission, control module, software, Power train: automatic transmission, fluid/lubricant, valves/valve body). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2021 GMC Sierra 1500?
Owners have filed 596 complaints with NHTSA. The most frequently reported area is engine (322 complaints), followed by power train (144).
How many 2021 GMC Sierra 1500 complaints mention a crash or fire?
6 of 596 complaints report a crash and 6 a fire; 3 injuries were reported in total. Complaints are unverified reports from owners.

Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received October 21, 2026.