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 bulletin for a reflashing of the Engine Control Module (ECM) in certain units of the 2021 to 2023 Chevy Trailblazer. The fix: owners of affected vehicles are to bring their ...