Recall 21V421000: 2021 Buick Envision, 2021 Cadillac CT4, 2021 Cadillac CT5 +7 more

Updated from NHTSA data · How we count

Report date
Jun 10, 2021
Vehicles affected
285,622
Models
10
Initiated by
Manufacturer

The problem

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.

The 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.

The fix

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.

Affected vehicles

Details

NHTSA campaign
21V421000
Manufacturer campaign
N212338110
Manufacturer
General Motors, LLC
Owner letters
Jul 1, 2021
Components
Air bags:srs malfunction warning lamp/light (Airbags); Electrical system:software (Electrical System)

Recall repairs are free at authorized dealers. To see if your vehicle is included, enter your VIN at NHTSA.gov or call the manufacturer.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. Methodology