NHTSA recall 21V-421: Air Bags

General Motors, LLC · Reported June 10, 2021 · 6 affected model years

Air Bags recall

Over-the-air fix21V-421
June 10, 2021 · General Motors, LLC
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.
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.
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.

Recall details

NHTSA campaign number21V421000
ManufacturerGeneral Motors, LLC
Report dateJune 10, 2021
ComponentAir Bags:SRS Malfunction Warning Lamp/Light
Fixed over the airYes

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.

View on NHTSA.gov ↗

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