YearToAvoid

2020 GMC Sierra 3500 Recall List

8 safety recall campaigns on file with NHTSA for the 2020 GMC Sierra 3500, affecting transmission & powertrain, structure & body, seat belts, and airbags. Recall repairs are free at any authorized GMC dealer.

Recall campaigns
8
Do Not Drive
0
Park Outside
0
Over-the-air fixes
0
Latest report
Feb 12, 2026
Owner complaints
51

All 2020 GMC Sierra 3500 recalls

Newest first. Summaries are NHTSA’s own wording.

  1. NHTSA 26V083000Feb 12, 2026Transmission & Powertrain1,055 vehicles

    Power train:automatic transmission:fluid/lubricant:valves/valve body

    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.

    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.

  2. NHTSA 24V797000Oct 24, 2024Transmission & Powertrain463,295 vehicles

    Power train:automatic transmission:fluid/lubricant:valves/valve body

    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.

    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.

  3. NHTSA 24V060000Feb 1, 2024Structure & Body570,434 vehicles

    Latches/locks/linkages:tailgate:latch

    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.

    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.

  4. NHTSA 20V792000Dec 17, 2020Seat Belts624,216 vehicles

    Seat belts:critical fasteners

    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.

    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.

  5. NHTSA 20V446000Jul 30, 2020Airbags769 vehicles

    Air bags:side/window:curtain:inflator

    General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air bag deployment.

    Risk: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.

    Remedy: GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is N202305380.

  6. NHTSA 20V324000Jun 4, 2020Structure & Body272 vehicles

    Latches/locks/linkages:hood:latch

    General Motors LLC (GM) is recalling certain 2020 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles previously recalled under 20V-142. Some of the vehicles in 20V-324 were not part of Recall 20V-142 but received defect parts during another service (typically during collision repair). The hood-latch striker wires on replacement hoods installed for Safety Recall 20V-142 may not have been heat-treated properly, possibly causing them to fracture.

    Risk: If a striker wire fractures, the hood may open unexpectedly while driving, increasing the risk of a crash.

    Remedy: GM will notify owners, and dealers will replace the hood assembly, free of charge. For hoods sold over the counter, dealers will contact customers with instructions for hood replacement. The recall began July 7, 2020. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-888-988-7267. GM's number for this recall is N202306490.

  7. NHTSA 20V142000Mar 12, 2020Structure & Body1,909 vehicles

    Latches/locks/linkages:hood:latch

    General Motors LLC (GM) is recalling certain 2020 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles. The hood-latch striker wires may not have been heat-treated properly, possibly causing them to fracture.

    Risk: If a striker wire fractures, the hood may open unexpectedly while driving, increasing the risk of a crash.

    Remedy: GM will notify owners, and dealers will replace the hood assembly, free of charge. The recall began April 13, 2020. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-888-988-7267. GM's number for this recall is N192284960.

  8. NHTSA 19V814000Nov 14, 2019Seat Belts556,399 vehicles

    Seat belts:pretensioner

    General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500, and 2020 Silverado 2500, Silverado 3500, Sierra 2500, and Sierra 3500 vehicles equipped with carpet floor covering. When the front seat belt pretensioners deploy, hot gas may vent through an opening in the pretensioner bracket, possibly igniting the carpet.

    Risk: A vehicle fire could result if materials ignite inside the vehicle.

    Remedy: GM will notify owners, and dealers will close off the opening in the pretensioner bracket, free of charge. The recall began December 13, 2019. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-888-988-7267. GM's number for this recall is N192270600.

Frequently asked questions

How many recalls does the 2020 GMC Sierra 3500 have?
NHTSA lists 8 recall campaigns for the 2020 GMC Sierra 3500, covering transmission & powertrain, structure & body, seat belts, and airbags.
Are 2020 GMC Sierra 3500 recall repairs free?
Yes. Under U.S. law, manufacturers must fix safety recalls free of charge at authorized dealers, regardless of the vehicle’s age or how many owners it has had. Use the VIN check to see which campaigns are still open on a specific car.
What is the most recent recall on the 2020 GMC Sierra 3500?
The most recent campaign is NHTSA 26V083000, reported Feb 12, 2026, concerning the transmission & powertrain.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.