General Motors has issued a service update for certain units of the refreshed GMC Sierra 1500 pickup equipped with the 3.0L I6 LZ0 turbodiesel Duramax engine and non-ETRS transmission due to a problem ...
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 ...