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2020 GMC Sierra 3500

8 open recalls

Read the first one before you drive it again. Every repair below is free.

Key facts

  • Recall repairs are free by law, however old the vehicle is.
  • You don't need to be the original owner to have it fixed.
  • There is no deadline — an open recall stays open until it's repaired.

Open recalls

Source: NHTSA · synced 29 Jul 2026 13:14
Repair when you can Power train

Rear wheel lock up increases the risk of a crash.

The transmission control valve may fail and cause the rear wheels to lock up.

What to do: Book it in at your next service. There is no deadline and no charge.

Free repair · 1,055 vehicles affected Read campaign 26V083000 on NHTSA.gov ↗
Ad slot · height reserved before load
Repair when you can Power train

Rear wheel lock-up can increase the risk of a crash.

The transmission control valve may fail and cause the rear wheels to lock-up.

What to do: Book it in at your next service. There is no deadline and no charge.

Free repair · 463,295 vehicles affected Read campaign 24V797000 on NHTSA.gov ↗
Repair when you can Latches/locks/linkages

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.

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.

What to do: Book it in at your next service. There is no deadline and no charge.

Free repair · 570,434 vehicles affected Read campaign 24V060000 on NHTSA.gov ↗
Repair soon Seat belts

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.

The seat belt brackets may not be secured to the seat frame in the front-row center seating position.

What to do: Book this in with a dealer now. It affects a safety system.

Free repair · 624,216 vehicles affected Read campaign 20V792000 on NHTSA.gov ↗
Repair soon Air bags

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

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.

What to do: Book this in with a dealer now. It affects a safety system.

Free repair · 769 vehicles affected Read campaign 20V446000 on NHTSA.gov ↗
Repair when you can Latches/locks/linkages

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

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.

What to do: Book it in at your next service. There is no deadline and no charge.

Free repair · 272 vehicles affected Read campaign 20V324000 on NHTSA.gov ↗
Repair when you can Latches/locks/linkages

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

The hood-latch striker wires may not have been heat-treated properly, possibly causing them to fracture.

What to do: Book it in at your next service. There is no deadline and no charge.

Free repair · 1,909 vehicles affected Read campaign 20V142000 on NHTSA.gov ↗
Repair soon Seat belts

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

When the front seat belt pretensioners deploy, hot gas may vent through an opening in the pretensioner bracket, possibly igniting the carpet.

What to do: Book this in with a dealer now. It affects a safety system.

Free repair · 556,399 vehicles affected Read campaign 19V814000 on NHTSA.gov ↗

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One email per recall. Nothing else, ever.