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About 400,000 model-year 2014-2015 Chevrolet Silverado 1500 and GMC Sierra 1500 pickup trucks as well as model-year 2015 Chevy Tahoe and Suburban, and GMC Yukon and Yukon XL full-size SUVs with four-wheel-drive systems are being recalled.
A software glitch in the the four-wheel-drive-system controller can allow the transfer case to slip into neutral without any input from drivers while parked or in motion.