The problem
General Motors LLC (GM) is recalling certain 2015-2016 GMC Sierra 1500, 2500, 3500, and Chevrolet Silverado 1500, 2500, and 3500 trucks. The roof-rail air bag (RRAB) inflator end cap may detach from the inflator, or the inflator sidewall may rupture.
The risk
A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.
The fix
Dealers will replace the left and right side RRAB modules, free of charge. Interim owner notification letters informing owners of the safety risk were mailed on August 18, 2021. Owners will receive a second notice when the remedy is available. Phase I owner notification letters were mailed on May 5, 2022. Phase II owner notification letters are expected to be mailed on May 31, 2022. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. This recall supersedes NHTSA recall number 20V-736. GM's number for this recall is N202324251.
Recall details
| NHTSA campaign | 21V-504 (21V504000) |
|---|---|
| Manufacturer number | N202324251 |
| Manufacturer | General Motors, LLC |
| Component | Air bags › Side/window › Curtain › Inflator |
| Report date | July 1, 2021 |
| Owners notified | May 5, 2022 |
| Vehicles affected | 410,019 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the air bags
- 2015 Chevrolet Silverado 1500 airbag problems 66
- 2016 Chevrolet Silverado 1500 airbag problems 18
- 2015 Chevrolet Silverado 2500 airbag problems 17
- 2016 Chevrolet Silverado 2500 airbag problems 4
- 2015 Chevrolet Silverado 3500 airbag problems 1
- 2016 Chevrolet Silverado 3500 airbag problems 2
- 2015 GMC Sierra 1500 airbag problems 37
- 2016 GMC Sierra 1500 airbag problems 12
- 2015 GMC Sierra 2500 airbag problems 3
- 2016 GMC Sierra 2500 airbag problems 3
- 2015 GMC Sierra 3500 airbag problems 3
- 2016 GMC Sierra 3500 airbag problems 1
Frequently asked questions
Is the recall 21V-504 repair free?
Yes. Chevrolet dealers will fix the problem at no cost: Dealers will replace the left and right side RRAB modules, free of charge. Interim owner notification letters informing owners of the safety risk were mailed on August 18, 2021. Owners will receive a second notice when the remedy is available.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 410,019 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.