462,000 GM Diesel Trucks, SUVs Recalled for Transmission Issue
Another major GM recall has afflicted a population of vehicles akin to the automaker’s last major missive in September, but this time, the culprit is a transmission control valve that may fail. Nearly 462,000 pickup trucks and SUVs are affected.
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Affected vehicles include diesel-equipped variants of model-year 2020-22 Chevrolet Silverado 1500, 2500 and 3500 and GMC Sierra 1500, 2500 and 3500 pickups and model-year 2021 Cadillac Escalades and Escalade ESVs, Chevrolet Suburbans and Tahoes, and GMC Yukons and Yukon XLs. The transmission control valve may fail and cause the rear wheels to lock up, increasing the risk of a crash.
To fix the problem, dealers will install new transmission control module software for free. GM also will provide a special coverage program to cover the repair of transmissions identified by the remedy software as containing a defective valve. GM will begin notifying owners Dec. 9, but those with further questions can call GM at 800-462-8782 (GM’s number for this recall is N242454440), the National Highway Traffic Safety Administration’s vehicle-safety hotline at 888-327-4236 or visit its website to check their vehicle identification number and learn more.
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