2021 GMC Sierra 1500: recalls and complaints

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• 26V08300012 Feb 2026Power Train / Automatic Transmission / Control Module / Software
• 25V27400024 Apr 2025Engine and Engine Cooling / Engine / Hard Parts Internal/Mechanical
• 24V79700024 Oct 2024Power Train / Automatic Transmission / Fluid/Lubricant / Valves/Valve Body
• 21V98500016 Dec 2021Tires / Temporary/Emergency Spare Tire
• 20V81100023 Dec 2020Seat Belts / Critical Fasteners
• 20V79200017 Dec 2020Seat Belts / Critical Fasteners
• 20V6840005 Nov 2020Tires

1. 26V083000Received 12 Feb 2026. 1,055 units.

   Power Train / Automatic Transmission / Control Module / Software

   Defect, in the NHTSA record

   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.

   Consequence, in the NHTSA record

   Rear wheel lock up increases the risk of a crash.

   Remedy, in the NHTSA record

   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.

   Report filed by General Motors, LLC. Manufacturer campaign number N252516560. Owner notification date in the NHTSA record: 6 Mar 2026.

2. 25V274000Received 24 Apr 2025. 597,571 units.

   Engine and Engine Cooling / Engine / Hard Parts Internal/Mechanical

   Defect, in the NHTSA record

   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.

   Consequence, in the NHTSA record

   Engine failure increases the risk of a crash.

   Remedy, in the NHTSA record

   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.

   Report filed by General Motors, LLC. Manufacturer campaign number N252494000. Owner notification date in the NHTSA record: 18 Jun 2025.

3. 24V797000Received 24 Oct 2024. 463,295 units.

   Power Train / Automatic Transmission / Fluid/Lubricant / Valves/Valve Body

   Defect, in the NHTSA record

   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.

   Consequence, in the NHTSA record

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

   Remedy, in the NHTSA record

   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.

   Report filed by General Motors, LLC. Manufacturer campaign number N242454440. Owner notification date in the NHTSA record: 12 Dec 2024.

4. 21V985000Received 16 Dec 2021. 626 units.

   Tires / Temporary/Emergency Spare Tire

   Defect, in the NHTSA record

   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.

   Consequence, in the NHTSA record

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

   Remedy, in the NHTSA record

   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.

   Report filed by General Motors, LLC. Manufacturer campaign number N212346510. Owner notification date in the NHTSA record: 7 Feb 2022.

5. 20V811000Received 23 Dec 2020. 470 units.

   Seat Belts / Critical Fasteners

   Defect, in the NHTSA record

   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.

   Consequence, in the NHTSA record

   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, in the NHTSA record

   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.

   Report filed by General Motors, LLC. Manufacturer campaign number N202322230. Owner notification date in the NHTSA record: 29 Jan 2021.

6. 20V792000Received 17 Dec 2020. 624,216 units.

   Seat Belts / Critical Fasteners

   Defect, in the NHTSA record

   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.

   Consequence, in the NHTSA record

   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, in the NHTSA record

   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.

   Report filed by General Motors, LLC. Manufacturer campaign number N202314670. Owner notification date in the NHTSA record: 26 Jan 2021.

7. 20V684000Received 5 Nov 2020. 7,516 units.

   Tires

   Defect, in the NHTSA record

   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.

   Consequence, in the NHTSA record

   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, in the NHTSA record

   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.

   Report filed by General Motors LLC. Manufacturer campaign number N202319030. Owner notification date in the NHTSA record: 17 Dec 2020.

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

The NHTSA complaint file has no complaint for this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

1. 19940
2. 19950
3. 19960
4. 19973
5. 19982
6. 19991
7. 20001
8. 20012
9. 20021
10. 20031
11. 20042
12. 20050
13. 20060
14. 20072
15. 20082
16. 20094
17. 20104
18. 20115
19. 20123
20. 20133
21. 20149
22. 20159
23. 20168
24. 20176
25. 20187
26. 201910
27. 202012
28. 20217
29. 20226
30. 20233
31. 20241
32. 20251
33. 20262

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

• GMC Sierra 1500: all model years
• GMC: 122 model lines

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• NHTSA VIN lookupNHTSA shows the unrepaired recalls of one vehicle from its VIN or its license plate.
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• NHTSA page of the 2021 GMC Sierra 1500The recalls, the complaints and the investigations that NHTSA shows for this model year.

How many units are in the recall campaigns for the 2021 GMC Sierra 1500?

1,694,749 units in 7 campaigns. A campaign can name other models and model years, and its units include them.

How many recall campaigns does the GMC Sierra 1500 have for all model years?

NHTSA lists 61 recall campaigns for the GMC Sierra 1500, model years 1994 to 2026. 7 of them name the 2021 model year.

Is an NHTSA investigation of the 2021 GMC Sierra 1500 open?

2 investigations have no closing date in the NHTSA file, of 5 that name this model year.