GMC 2020 GMC SIERRA 1500 Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2020 GMC SIERRA 1500
Brand
GMC
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2020
General Motors LLC is recalling certain 2020 GMC SIERRA 1500 vehicles due to air bags:side/window:curtain:inflator issues. If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
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.
Reported concern (NHTSA)
If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Recommended Action
Per NHTSA guidance
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.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026