Roof rail air bag inflator may rupture
Defect Summary
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.
Safety Consequence
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.
Corrective Action
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.
Similar Recalls
Other recalls from General Motors, Llc or involving Air Bags.
FAQ: Recall 21V504000
Your rights, the repair process, and what each field on this page means.
What is recall 21V504000?
NHTSA recall 21V504000 was issued by General Motors, Llc on July 1, 2021. It addresses: Roof rail air bag inflator may rupture. The recall affects approximately 410,019 vehicles, with the defect involving the Air Bags component.
How do I get this recall repaired?
Contact any authorized General Motors, Llc dealer and reference NHTSA recall ID 21V504000 or the manufacturer campaign number N202324251. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.