- General Motors is recalling 43,732 full-size SUVs due to an issue with the 10-speed automatic transmission.
- The recall covers the Chevy Tahoe and Suburban, GMC Yukon and Yukon XL, as well as the Cadillac Escalade and Escalade ESV.
- According to documents associated with the recall, the rear wheels could lock up, increasing the risk of a crash.
General Motors is recalling a subset of full-size SUVs from the 2022 model year. According to documents filed with the National Highway Traffic Safety Administration (NHTSA), a transmission control valve in affected models may be susceptible to excessive wear. The recall population includes the Chevy Tahoe and Suburban as well as short- and long-wheelbase versions of the GMC Yukon and Cadillac Escalade.
NHTSA documents show that excessive wear to the 10-speed automatic transmission's control valve can cause a fluid leak that leads to a loss of pressure and may cause some valves to move unexpectedly. The combination of unexpected valve movement and lost pressure can cause the transmission to shift much more harshly than usual. In some cases, the control valve issue can lead to the rear wheels locking up, which NHTSA paperwork says can be momentary or permanent. According to the recall, lock-ups occur when the transmission is attempting to downshift from eighth gear.
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Dealers will install new transmission control module (TCM) software that will monitor valve performance and detect any excessive wear approximately 10,000 miles before a wheel lock-up could occur. If the software detects wear, the transmission will be limited to fifth gear to prevent a lock-up. A service engine light and reduced propulsion message will also appear in the instrument panel.
According to the recall documents, all of GM's 2023-model-year-and-newer full-size SUVs are equipped with new transmission software that detects excessive wear. Owner notification letters will be sent out on March 30. Affected models are now searchable on the NHTSA recalls website here.
Jack Fitzgerald’s love for cars stems from his as yet unshakable addiction to Formula 1.
After a brief stint as a detailer for a local dealership group in college, he knew he needed a more permanent way to drive all the new cars he couldn’t afford and decided to pursue a career in auto writing. By hounding his college professors at the University of Wisconsin-Milwaukee, he was able to travel Wisconsin seeking out stories in the auto world before landing his dream job at Car and Driver. His new goal is to delay the inevitable demise of his 2010 Volkswagen Golf.
