Model year 2021 · GMC

2021 GMC Sierra 1500 recalls

NHTSA's recall file lists 7 safety recall campaigns for the 2021 GMC Sierra 1500. The most recent was reported on February 12, 2026. Campaigns are matched by the model names in NHTSA's records: SIERRA 1500.

NHTSA data through October 6, 2026 · How these pages are built

Campaigns at a glance

Recall campaigns for the 2021 GMC Sierra 1500, newest first
NHTSA number	Reported	Component
26V083000	February 12, 2026	Power Train › Automatic Transmission › Control Module › Software
25V274000	April 24, 2025	Engine And Engine Cooling › Engine › Hard Parts Internal/Mechanical
24V797000	October 24, 2024	Power Train › Automatic Transmission › Control Module › Software
21V985000	December 16, 2021	Tires › Temporary/Emergency Spare Tire
20V811000	December 23, 2020	Seat Belts
20V792000	December 17, 2020	Seat Belts
20V684000	November 5, 2020	Tires

Systems involved: Power Train (2) · Seat Belts (2) · Tires (2) · Engine And Engine Cooling (1)

Recall records

NHTSA 26V083000Manufacturer no. N252516560

Power Train › Automatic Transmission › Control Module › Software

Report received by NHTSA: February 12, 2026
Owner notification: March 6, 2026
Recall initiated by: Manufacturer
Units potentially affected: 1,055 (whole campaign)
Build dates listed for the 2021 GMC Sierra 1500: September 21, 2020 – September 22, 2021
Model names in the NHTSA record: SIERRA 1500

Components: Power Train › Automatic Transmission › Control Module › Software; Power Train › Automatic Transmission › Fluid/Lubricant › Valves/Valve Body

Defect summary

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.

Safety risk

Rear wheel lock up increases the risk of a crash.

Remedy

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.

Source: NHTSA recall 26V083000, filed by General Motors, LLC. View the campaign on NHTSA.gov

NHTSA 25V274000Manufacturer no. N252494000

Engine And Engine Cooling › Engine › Hard Parts Internal/Mechanical

Report received by NHTSA: April 24, 2025
Owner notification: June 18, 2025
Recall initiated by: NHTSA Office of Defects Investigation
Units potentially affected: 597,571 (whole campaign)
Build dates listed for the 2021 GMC Sierra 1500: March 1, 2021 – Not reported
Model names in the NHTSA record: SIERRA 1500

Defect summary

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.

Safety risk

Engine failure increases the risk of a crash.

Remedy

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.

Notes in the NHTSA record

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-888-275-9171) or go to www.nhtsa.gov.

Source: NHTSA recall 25V274000, filed by General Motors, LLC. View the campaign on NHTSA.gov

NHTSA 24V797000Manufacturer no. N242454440

Power Train › Automatic Transmission › Control Module › Software

Report received by NHTSA: October 24, 2024
Owner notification: December 12, 2024
Recall initiated by: Manufacturer
Units potentially affected: 463,295 (whole campaign)
Model names in the NHTSA record: SIERRA 1500

Components: Power Train › Automatic Transmission › Control Module › Software; Power Train › Automatic Transmission › Fluid/Lubricant › Valves/Valve Body

Defect summary

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.

Safety risk

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

Remedy

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.

Notes in the NHTSA record

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153) or go to www.nhtsa.gov.

Source: NHTSA recall 24V797000, filed by General Motors, LLC. View the campaign on NHTSA.gov

NHTSA 21V985000Manufacturer no. N212346510

Tires › Temporary/Emergency Spare Tire

Report received by NHTSA: December 16, 2021
Owner notification: February 7, 2022
Recall initiated by: Manufacturer
Units potentially affected: 626 (whole campaign)
Model names in the NHTSA record: SIERRA 1500

Defect summary

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.

Safety risk

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

Remedy

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.

Notes in the NHTSA record

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Source: NHTSA recall 21V985000, filed by General Motors, LLC. View the campaign on NHTSA.gov

NHTSA 20V811000Manufacturer no. N202322230

Seat Belts

Report received by NHTSA: December 23, 2020
Owner notification: January 29, 2021
Recall initiated by: Manufacturer
Units potentially affected: 470 (whole campaign)
Model names in the NHTSA record: SIERRA 1500

Components: Seat Belts; Seat Belts › Critical Fasteners

Defect summary

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.

Safety 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.

Remedy

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.

Notes in the NHTSA record

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Source: NHTSA recall 20V811000, filed by General Motors, LLC. View the campaign on NHTSA.gov

NHTSA 20V792000Manufacturer no. N202314670

Seat Belts

Report received by NHTSA: December 17, 2020
Owner notification: January 26, 2021
Recall initiated by: Manufacturer
Units potentially affected: 624,216 (whole campaign)
Model names in the NHTSA record: SIERRA 1500

Components: Seat Belts; Seat Belts › Critical Fasteners

Defect summary

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.

Safety 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.

Remedy

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.

Notes in the NHTSA record

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Source: NHTSA recall 20V792000, filed by General Motors, LLC. View the campaign on NHTSA.gov

NHTSA 20V684000Manufacturer no. N202319030

Tires

Report received by NHTSA: November 5, 2020
Owner notification: December 17, 2020
Recall initiated by: Manufacturer
Units potentially affected: 7,516 (whole campaign)
Model names in the NHTSA record: SIERRA 1500

Defect summary

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.

Safety 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.

Remedy

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.

Notes in the NHTSA record

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Source: NHTSA recall 20V684000, filed by General Motors LLC. View the campaign on NHTSA.gov

Records reproduce NHTSA's published text for each campaign. Last record date for this page: February 17, 2026.