Vehicle recall 20V446000 · July 30, 2020
GMC Acadia, Chevrolet Blazer and 10 more models
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.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- 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.
- Notes
- Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Recall details
- NHTSA campaign
- 20V446000
- Reported to NHTSA
- July 30, 2020
- Filed by
- General Motors LLC
- Manufacturer campaign
- N202305380
- Owner notification
- September 3, 2020
- Vehicles potentially affected
- 769
- Initiated by
- the manufacturer
- Components
- Air bags › Side/window › Curtain › Inflator
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Buick Enclave (2020): 2020
- Cadillac XT5 (2020): 2020
- Cadillac XT6 (2020): 2020
- Chevrolet Blazer (2020): 2020
- Chevrolet Silverado 1500 (2020): 2020
- Chevrolet Silverado 2500 (2020): 2020
- Chevrolet Silverado 3500 (2020): 2020
- Chevrolet Traverse (2020): 2020
- GMC Acadia (2020): 2020
- GMC Sierra 1500 (2020): 2020
- GMC Sierra 2500 (2020): 2020
- GMC Sierra 3500 (2020): 2020
Has your Buick been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Buick dealer can also check your VIN. Recall repairs are free.