Recalls & safety ratings

2021 GMC SIERRA 2500

Every NHTSA recall campaign covering the 2021 GMC SIERRA 2500, and the crash-test ratings for the body styles that were tested.
  • 6
    Recalls
  • 51
    Owner complaints
  • 1
    Investigations

Sourced from NHTSA recall and safety-rating data — last checked 6 September 2026.

6 recall campaigns

A campaign usually covers only part of a model year's production, so it may not apply to a particular car. Check the VIN to be certain.

POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE

NHTSA campaign 24V797000 · General Motors, LLC

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.

Consequence

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

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.

LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH

NHTSA campaign 24V060000 · General Motors, LLC

Summary

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.

Consequence

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.

Remedy

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.

Notes

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.

Park outside

SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE

NHTSA campaign 21V758000 · General Motors, LLC

Summary

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.

Consequence

Water in the BPMV may cause an electrical short circuit and increase the risk of fire.

Remedy

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.

Notes

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.

TIRES:TEMPORARY/EMERGENCY SPARE TIRE

NHTSA campaign 21V578000 · General Motors, LLC

Summary

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.

Consequence

An ABS system that cannot control the rear wheels independently increases the risk of a crash.

Remedy

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.

Notes

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.

SEAT BELTS

NHTSA campaign 20V811000 · General Motors, LLC

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.

Consequence

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

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.

SEAT BELTS

NHTSA campaign 20V792000 · General Motors, LLC

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.

Consequence

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

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.

NHTSA 5-Star Safety Ratings

NHTSA crash-tests vehicles and rates them out of five stars. More stars mean a safer car. Ratings are per body style, so a model can appear more than once below.

2021 GMC Sierra 2500 PU/CC 2WD

Overall
Not rated

Frontal crash

Not rated
Driver
Not rated
Passenger
Not rated

Side crash

Not rated
Driver
Not rated
Passenger
Not rated
Pole
Not rated

Rollover

Not rated

0% chance of rollover in a single-vehicle crash.

  • Electronic stability control: Standard
  • Forward collision warning: No
  • Lane departure warning: No

2021 GMC Sierra 2500 PU/CC 4WD

Overall
Not rated

Frontal crash

Not rated
Driver
Not rated
Passenger
Not rated

Side crash

Not rated
Driver
Not rated
Passenger
Not rated
Pole
Not rated

Rollover

Not rated

0% chance of rollover in a single-vehicle crash.

  • Electronic stability control: Standard
  • Forward collision warning: No
  • Lane departure warning: No

2021 GMC Sierra 2500 PU/EC 2WD

Overall
Not rated

Frontal crash

Not rated
Driver
Not rated
Passenger
Not rated

Side crash

Not rated
Driver
Not rated
Passenger
Not rated
Pole
Not rated

Rollover

Not rated

0% chance of rollover in a single-vehicle crash.

  • Electronic stability control: Standard
  • Forward collision warning: No
  • Lane departure warning: No

2021 GMC Sierra 2500 PU/EC 4WD

Overall
Not rated

Frontal crash

Not rated
Driver
Not rated
Passenger
Not rated

Side crash

Not rated
Driver
Not rated
Passenger
Not rated
Pole
Not rated

Rollover

Not rated

0% chance of rollover in a single-vehicle crash.

  • Electronic stability control: Standard
  • Forward collision warning: No
  • Lane departure warning: No

2021 GMC Sierra 2500 PU/RC 2WD

Overall
Not rated

Frontal crash

Not rated
Driver
Not rated
Passenger
Not rated

Side crash

Not rated
Driver
Not rated
Passenger
Not rated
Pole
Not rated

Rollover

Not rated

0% chance of rollover in a single-vehicle crash.

  • Electronic stability control: Standard
  • Forward collision warning: No
  • Lane departure warning: No

2021 GMC Sierra 2500 PU/RC 4WD

Overall
Not rated

Frontal crash

Not rated
Driver
Not rated
Passenger
Not rated

Side crash

Not rated
Driver
Not rated
Passenger
Not rated
Pole
Not rated

Rollover

Not rated

0% chance of rollover in a single-vehicle crash.

  • Electronic stability control: Standard
  • Forward collision warning: No
  • Lane departure warning: No

Get started for free

Get a free preview of the report