General Motors is recalling about 638,000 SUVs and pickups for a defective sensor that could cause braking problems. This conversation is moderated according to USA TODAY’s community rules. Please read the rules before joining the discussion. 2018 Chevrolet Suburban (Photo: The Chevrolet Suburban is the vehicle likeliest to reach 200,000 in Metro Detroit, according to iseecars.com) General Motors is recalling about 638,000 SUVs and pickups for a defective sensor that could cause braking problems. The recall covers 2015-2020 Chevrolet Suburban, Tahoe and GMC Yukon SUVs. It also applies to 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 pickups equipped with a 5.3-liter engine, a 3.08-ratio rear axle and four-wheel drive, GM said. Here’s the problem: If a wheel-speed sensor fails, a software error in the vehicle’s electronic-brake control module can cause the driveline-protection system to activate. This happens when the vehicle’s electronic transfer case is set to four-wheel drive or automatic mode, and being driven between 41 and 60 mph. If the driveline-protection system activates, there could be unintended braking on the wheel on the opposite side of the fa...