Transport CanadaCritical
2015 GMC SIERRA HDTransport Canada Recall #2021410
The official notice
Defect
On certain trucks, the side curtain airbag inflators could be defective. As a result, the driver and/or passenger side curtain airbag inflator(s) could fail. If this happens, the end cap from the inflator or other parts could be propelled into the vehicle and strike a person. Note: This recall replaces Transport Canada Recall No. 2020-576.
Safety Risk
A metal end cap or other parts that strike a person could create a risk of injury.
Remedy
General Motors will notify owners by mail and instruct you to take your truck to a dealer to replace both side curtain airbags.
34,366 vehicles affectedMfr ref: N202324251Updated June 10, 2026