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2021 Buick Envision, Cadillac CT4 and others recall: srs malfunction warning lamp/light

General Motors, LLC reported this safety recall on June 10, 2021. It covers about 285,622 vehicles.

vehicles affected
285,622
reported
Jun 10, 2021
owners notified
Jul 1, 2021
related complaints
60

Air bags: SRS malfunction warning lamp/light

What is wrong
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.
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 number 21V421000

Affected vehicles

Owner complaints about the same problem

Owners of these vehicles have filed 60 complaints about airbags problems.

2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Corvette2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL

Questions about recall 21V421000

Is there a recall on the 2021 Buick Envision, Cadillac CT4 and others srs malfunction warning lamp/light?

Yes. Recall 21V421000, reported on June 10, 2021, covers about 285,622 vehicles.

What is the fix for recall 21V421000?

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.

Is the recall repair free?

Safety recall repairs are done free of charge at authorized dealers. A dealer can confirm with the VIN whether a specific vehicle is included and whether the repair has already been done.

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