2021 GMC Sierra 2500 Recalls, Complaints & Specs
6 safety recalls list the 2021 GMC Sierra 2500, and owners have filed 52 complaints with NHTSA. At least one recall carries a do-not-drive or park-outside advisory. Check your own VIN below.
- 1994
- 1997
- 1998
- 1999
- 2000
- 2001
- 2002
- 2003
- 2004
- 2005
- 2006
- 2007
- 2008
- 2009
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
6 safety recalls for the 2021 GMC Sierra 2500
Most recent first. Recall repairs are free at any authorised dealer. Click a recall for the full defect, consequence and remedy text.
-
Valves/valve body (power train) and software (power train)
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.
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…
-
Latch (latches/locks/linkages)
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.
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.…
-
Service brakes, hydraulic: control module Park outside
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…
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,…
-
Temporary/emergency spare tire (tires)
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…
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…
-
Critical fasteners (seat belts) and seat belts
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…
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…
-
Critical fasteners (seat belts) and seat belts
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…
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.…
52 owner complaints filed with NHTSA
Owners of the 2021 GMC Sierra 2500 have filed 52 complaints with NHTSA; 4 describe a crash and 1 describe a fire. Reports cite 1 injury and 0 deaths. The average mileage at failure in those reports is 60,499 miles. Complaints peaked in 2024 with 15 filed that year.
Most-reported components
What owners are reporting
“The contact owns a 2021 GMC Sierra 2500. The contact stated that while driving at an undisclosed speed, the transmission unexpectedly shifted out of first gear and the vehicle failed to accelerate as”
Owner complaint to NHTSA, October 2, 2026 · Power train
“The left rear internal "top-hat" parking brake shoes suffered a total manufacturing bonding failure, causing the friction lining to completely delaminate and detach from the metal backing plates insid”
Owner complaint to NHTSA, August 5, 2026 · Service brakes
Fuel economy and specs
EPA ratings for the 2021 GMC Sierra (Sierra 2WD, Sierra 4WD, Sierra 4WD AT4, Sierra Cab Chassis 2WD, …). Ranges cover every tested configuration.
| Combined | 14–26 mpg |
|---|---|
| City / Highway | 13–23 / 16–30 |
| Fuel | Diesel, Gasoline or E85, Premium, Regular |
| EPA class | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD, Standard Pickup Trucks 2WD, Standard Pickup Trucks 4WD |
| Engine | 4/6/8 cyl, 2.7/3/4.3/5.3/6.2 L |
| Transmission | Automatic 10-spd; Automatic 6-spd; Automatic 8-spd |
Compare GMC Sierra 2500 model years
Recall and complaint counts for every GMC Sierra 2500 model year in NHTSA's database.
Checking a specific 2021 GMC Sierra 2500
How do I know if my 2021 GMC Sierra 2500 has an open recall?
Enter your 17-character VIN above. The VIN is on the driver's side dashboard (visible through the windshield), the driver's door jamb sticker, and your registration or insurance card. The check runs against NHTSA's live database and tells you which campaigns list your vehicle. 6 campaigns currently list the 2021 GMC Sierra 2500; your car may already have been repaired under some of them.
Is the recall repair free?
Yes. Under federal law, manufacturers must fix safety recalls at no charge for vehicles up to 15 years old from the date of sale to the first owner. Contact any authorised GMC dealer with your VIN and the NHTSA campaign number (for example 20V792000).
What is the difference between a recall and a complaint?
A recall is a safety campaign filed by the manufacturer or ordered by NHTSA, with a defined defect and remedy. A complaint is a report an owner sent to NHTSA; it is not verified, but patterns of complaints are what trigger NHTSA investigations and, eventually, recalls.
Other GMC models
- Sierra 15008,930 complaints
- Acadia5,569 complaints
- Yukon4,989 complaints
- Sierra3,937 complaints
- Terrain3,124 complaints
- Jimmy2,720 complaints
- Envoy2,459 complaints
- Yukon XL2,417 complaints
Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.