NHTSA Recall 21V421000
NHTSA Campaign Id 21V421000; Date: Jun. 3, 2021
the air bag malfunction indicator light may fail to warn the driver of a problem with the air bag, increasing the risk of injury.
Recalled Vehicles:
2021 Buick Envision; 2021 Cadillac CT4; 2021 Cadillac CT5; 2021 Cadillac Escalade; 2021 Cadillac Escalade Esv; 2021 Chevrolet Corvette; 2021 Chevrolet Suburban; 2021 Chevrolet Tahoe; 2021 GMC Yukon; 2021 GMC Yukon Xl
Component: Electrical System:software
Manufactured by: General Motors, Llc
Affected Units:: 285,622
Recall Summary:
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.
How to Fix:
dealers will update the software in the communications gateway module, free of charge. owner notification letters are expected to be mailed july 19, 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.
Recall 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.
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