NHTSA lists 51 complaints for the 2020 GMC Sierra 3500, 4 of them mention a crash and 2 mention a fire. 1 complaints mention an injury, with 4 injuries and 0 deaths reported.
Data build 2026-10-09.
NHTSA lists this vehicle as GMC SIERRA 3500.
Recalls
See new recalls and investigations this week.
8 recalls.
Date: 2026-02-12. Systems: POWER TRAIN.
Defect: 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. (excerpt)
Consequence: Rear wheel lock up increases the risk of a crash. (excerpt)
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 Feb (excerpt)
Do not drive: No. Park outside: No.
Date: 2024-10-24. Systems: POWER TRAIN.
Defect: 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. (excerpt)
Consequence: Rear wheel lock-up can increase the risk of a crash. (excerpt)
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 (excerpt)
Do not drive: No. Park outside: No.
Date: 2024-02-01. Systems: LATCHES/LOCKS/LINKAGES.
Defect: 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.
Do not drive: No. Park outside: No.
Date: 2020-12-17. Systems: SEAT BELTS.
Defect: 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.
Do not drive: No. Park outside: No.
Date: 2020-07-30. Systems: AIR BAGS.
Defect: 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: 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.
Do not drive: No. Park outside: No.
Date: 2020-06-04. Systems: LATCHES/LOCKS/LINKAGES, STRUCTURE.
Defect: 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 n (excerpt)
Consequence: If a striker wire fractures, the hood may open unexpectedly while driving, increasing the risk of a crash. (excerpt)
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. (excerpt)
Do not drive: No. Park outside: No.
Date: 2020-03-12. Systems: LATCHES/LOCKS/LINKAGES.
Defect: 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: 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.
Do not drive: No. Park outside: No.
Date: 2019-11-14. Systems: SEAT BELTS.
Defect: 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: 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.
Do not drive: No. Park outside: No.
Manufacturer communications
906 manufacturer communications.
Communications by system| System | Count |
|---|
| EQUIPMENT | 222 |
|---|
| ELECTRICAL SYSTEM | 215 |
|---|
| ENGINE AND ENGINE COOLING | 188 |
|---|
| UNKNOWN OR OTHER | 125 |
|---|
| POWER TRAIN | 115 |
|---|
| ENGINE | 89 |
|---|
| STRUCTURE | 57 |
|---|
| FUEL SYSTEM, DIESEL | 43 |
|---|
11037555
Date: 2026-09-26. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
11037253
Date: 2026-09-04. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
11036713
Date: 2026-08-27. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This document assists GM dealer technicians with diagnosing torque converter concerns to ensure torque converter replacement is necessary. The torque converter part number will be placed on order restriction, and the technician will be asked to follow 25-NA-148 before requesting a part through PQC.
11036196
Date: 2026-08-07. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This Preliminary information communicates an issue where an aftermarket autostop device or rear taillights is causing a dead battery.
11035350
Date: 2026-07-23. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This PI provides information to repair the door water deflector which is not sealed properly allows water into the door jam/sill area.
11035308
Date: 2026-07-21. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
11035340
Date: 2026-07-21. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
PI to help diagnose A/C concern
11035133
Date: 2026-07-17. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This PI was created to help avoid unnecessary front camera module replacements
11034977
Date: 2026-07-06. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
The purpose of this PI is to inform dealer technicians of a normal cab pressure relief valve noise to avoid unnecessary part replacement
11034767
Date: 2026-06-24. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This Preliminary information communicates information on a hydraulic rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made.A The noise is most noticeable in the cab at idle, in park, with all acce