Recall Register

2020 GMC Sierra 3500: recalls and complaints

NHTSA lists 8 recall campaigns for the 2020 GMC Sierra 3500. The newest campaign is 26V083000. NHTSA received the report on 12 Feb 2026. The NHTSA record gives the component Power Train / Automatic Transmission / Fluid/Lubricant / Valves/Valve Body. NHTSA has 51 complaints on file for this model year. 1 NHTSA investigation names this model year.

The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 26V083000, 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.
NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.

NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on . Complaint file through . Recall file through .

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

8 campaigns, newest first. 2,218,349 units in total.

  • 26V083000Power Train / Automatic Transmission / Fluid/Lubricant / Valves/Valve Body
  • 24V797000Power Train / Automatic Transmission / Fluid/Lubricant / Valves/Valve Body
  • 24V060000Latches/Locks/Linkages / Tailgate / Latch
  • 20V792000Seat Belts / Critical Fasteners
  • 20V446000Air Bags / Side/Window / Curtain / Inflator
  • 20V324000Latches/Locks/Linkages / Hood / Latch
  • 20V142000Latches/Locks/Linkages / Hood / Latch
  • 19V814000Seat Belts / Pretensioner

  1. 26V083000Received . 1,055 units.

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

    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: .

  2. 24V797000Received . 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: .

  3. 24V060000Received . 570,434 units.

    Latches/Locks/Linkages / Tailgate / Latch

    Defect, in the NHTSA record
    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, in the NHTSA record
    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, in the NHTSA record
    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.

    Report filed by General Motors, LLC. Manufacturer campaign number N232426400. Owner notification date in the NHTSA record: .

  4. 20V792000Received . 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: .

  5. 20V446000Received . 769 units.

    Air Bags / Side/Window / Curtain / Inflator

    Defect, in the NHTSA record
    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.
    Consequence, in the NHTSA record
    If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
    Remedy, in the NHTSA record
    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.

    Report filed by General Motors LLC. Manufacturer campaign number N202305380. Owner notification date in the NHTSA record: .

  6. 20V324000Received . 272 units.

    Latches/Locks/Linkages / Hood / Latch

    Defect, in the NHTSA record
    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.
    Consequence, in the NHTSA record
    If a striker wire fractures, the hood may open unexpectedly while driving, increasing the risk of a crash.
    Remedy, in the NHTSA record
    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.

    Report filed by General Motors LLC. Manufacturer campaign number N202306490. Owner notification date in the NHTSA record: .

  7. 20V142000Received . 1,909 units.

    Latches/Locks/Linkages / Hood / Latch

    Defect, in the NHTSA record
    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.
    Consequence, in the NHTSA record
    If a striker wire fractures, the hood may open unexpectedly while driving, increasing the risk of a crash.
    Remedy, in the NHTSA record
    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.

    Report filed by General Motors LLC. Manufacturer campaign number N192284960. Owner notification date in the NHTSA record: .

  8. 19V814000Received . 556,399 units.

    Seat Belts / Pretensioner

    Defect, in the NHTSA record
    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.
    Consequence, in the NHTSA record
    A vehicle fire could result if materials ignite inside the vehicle.
    Remedy, in the NHTSA record
    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.

    Report filed by General Motors LLC. Manufacturer campaign number N192270600. Owner notification date in the NHTSA record: .

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.

Complaints by component

51 complaints, 72 component mentions.

A complaint can name more than one component. Each component that a complaint names is one component mention. The figure per 1,000 component mentions shows how many of each 1,000 mentions name the component.

  • 2020 GMC Sierra 3500
  • All 2020 vehicles
2020 GMC Sierra 3500: complaints by component, per 1,000 component mentions
Component2020 Sierra 3500All 2020 vehiclesSierra 3500, all yearsMentions
Power Train263.9117.7121.319
Electrical System125135.8109.89
Service Brakes97.246.4108.67
Unknown or Other83.3115.352.46
Engine83.3134.967.76
Fuel/Propulsion System69.440.443.45
Structure69.445.9375
Tires55.66.540.94
Steering13.941.353.61
Wheels13.99.516.61

The table shows the 10 components with the most mentions, of 19.

Complaints that report a crash
4
Complaints that report a fire
2
Injuries in the complaints
4
Deaths in the complaints
0
Date of the newest complaint
20 Mar 2026

These figures are the entries of the persons who sent the complaints.

Complaint: A report about a possible safety problem that a person sends to NHTSA. This site shows the number of complaints and not their text.

Complaints about the 2020 GMC Sierra 3500, by the year NHTSA received them. The largest year is 2025, with 15 complaints.

Investigations

NHTSA investigations that name the 2020 GMC Sierra 3500
NumberTypeSubjectComponentOpenedClosedCampaign
PE21010Preliminary evaluationAir Bag MalfunctionAir Bags / Frontal / Driver Side / Inflator Module9 Apr 202124 Aug 2023

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.

Other model years

The number under each year is the number of recall campaigns.

  1. 19960
  2. 19971
  3. 19982
  4. 19991
  5. 20002
  6. 20012
  7. 20022
  8. 20030
  9. 20040
  10. 20050
  11. 20060
  12. 20073
  13. 20083
  14. 20095
  15. 20105
  16. 20115
  17. 20124
  18. 20134
  19. 20143
  20. 20157
  21. 20167
  22. 20177
  23. 20186
  24. 20197
  25. 20208
  26. 20215
  27. 20223
  28. 20231
  29. 20243
  30. 20251
  31. 20262

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

Official channels

Cite this page

Recall Register. 2020 GMC Sierra 3500: recalls and complaints. https://recallregister.com/vehicle/gmc/sierra-3500/2020/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through .

Sources

Source
NHTSA Office of Defects Investigation
Licence
US government work, public domain
Recall file through
30 Sep 2026
Complaint file through
30 Sep 2026
First complaint in the file
1 Jan 1995
Manufacturer in the recall file
General Motors, LLC

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2020 GMC Sierra 3500?
2,218,349 units in 8 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the GMC Sierra 3500 have for all model years?
NHTSA lists 45 recall campaigns for the GMC Sierra 3500, model years 1996 to 2026. 8 of them name the 2020 model year.
Which component do the complaints about the 2020 GMC Sierra 3500 name most often?
Power Train: 19 of 72 component mentions, or 263.9 per 1,000. For all 2020 vehicles the figure is 117.7 per 1,000.
Is an NHTSA investigation of the 2020 GMC Sierra 3500 open?
No. The 1 investigation that names this model year has a closing date in the NHTSA file.