General Motors issued a voluntary emissions recall on a certain number of 2018 model-year Chevy Equinox and Chevy Traverse crossovers over a problem with the vehicles’ Engine Control Module, or ECM.

GM has issued a Service Update that applies to certain units of Chevy full-size trucks and SUVs, including the Silverado, Suburban, and Tahoe, which is related to an ECM software update. For Chevy ...