Recall campaign · NHTSA 21V421000

Air bags: SRS malfunction warning lamp/light

General Motors, LLC filed this campaign with NHTSA on 2021-06-10.

Recall campaignNHTSA 21V421000

Air bags: SRS malfunction warning lamp/light

Component
Air bags: SRS malfunction warning lamp/light
Manufacturer
General Motors, LLC
Vehicles affected
285,622
Reported to NHTSA
2021-06-10
Owners notified
2021-07-01

Defect description

General Motors, LLC (GM) is recalling certain 2021 Buick Envision, Cadillac CT4, CT5, Escalade, Escalade ESV, Chevrolet Tahoe, Corvette, Suburban, GMC Yukon, Yukon XL vehicles. The communications gateway module incorrectly processes a loss of communication with the sensing diagnostic module (SDM), causing the air bag malfunction indicator light to inconsistently illuminate.

Safety risk

The air bag malfunction indicator light may fail to warn the driver of a problem with the air bag, increasing the risk of injury.

Manufacturer remedy

The communications gateway module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N212338110.

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.nhtsa.gov.

Scope of coverage

10 model years across 10 models.

ModelYears on record
Buick Envision2021
Cadillac CT42021
Cadillac CT52021
Cadillac Escalade2021
Cadillac Escalade ESV2021
Chevrolet Corvette2021
Chevrolet Suburban2021
Chevrolet Tahoe2021
GMC Yukon2021
GMC Yukon XL2021

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.