Model year 2021 · GMC

2021 GMC Sierra 2500HD / 3500HD recalls

NHTSA's recall file lists 6 safety recall campaigns for the 2021 GMC Sierra 2500HD / 3500HD — 1 with a do-not-drive or park-outside advisory. The most recent was reported on October 24, 2024. Campaigns are matched by the model names in NHTSA's records: SIERRA 2500, SIERRA 3500.

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

Campaigns at a glance

Recall campaigns for the 2021 GMC Sierra 2500HD / 3500HD, newest first
NHTSA number	Reported	Component
24V797000	October 24, 2024	Power Train › Automatic Transmission › Control Module › Software
24V060000	February 1, 2024	Latches/Locks/Linkages › Tailgate › Latch
21V758000	September 29, 2021	Service Brakes, Hydraulic › Power Assist › Electric › Control ModulePark outside
21V578000	July 29, 2021	Tires › Temporary/Emergency Spare Tire
20V811000	December 23, 2020	Seat Belts
20V792000	December 17, 2020	Seat Belts

Systems involved: Seat Belts (2) · Latches/Locks/Linkages (1) · Power Train (1) · Service Brakes, Hydraulic (1) · Tires (1)

Recall records

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 2500, SIERRA 3500

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 24V060000Manufacturer no. N232426400

Latches/Locks/Linkages › Tailgate › Latch

Report received by NHTSA: February 1, 2024
Owner notification: May 17, 2024
Recall initiated by: Manufacturer
Units potentially affected: 570,434 (whole campaign)
Model names in the NHTSA record: SIERRA 2500, SIERRA 3500

Defect 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.

Safety 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.

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 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 24V060000, filed by General Motors, LLC. View the campaign on NHTSA.gov

NHTSA 21V758000Manufacturer no. N212349181

Service Brakes, Hydraulic › Power Assist › Electric › Control Module

Park outside advisory

Report received by NHTSA: September 29, 2021
Owner notification: October 20, 2021
Recall initiated by: Manufacturer
Units potentially affected: 3,241 (whole campaign)
Model names in the NHTSA record: SIERRA 2500, SIERRA 3500

Defect 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.

Safety risk

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 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 21V758000, filed by General Motors, LLC. View the campaign on NHTSA.gov

NHTSA 21V578000Manufacturer no. N212329780

Tires › Temporary/Emergency Spare Tire

Report received by NHTSA: July 29, 2021
Owner notification: October 18, 2021
Recall initiated by: Manufacturer
Units potentially affected: 86 (whole campaign)
Model names in the NHTSA record: SIERRA 2500

Defect 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.

Safety risk

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 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 21V578000, 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 2500, SIERRA 3500

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 2500, SIERRA 3500

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

Records reproduce NHTSA's published text for each campaign. Last record date for this page: October 25, 2024.