The 2021 Cadillac CT5 luxury sedan is included in a newly issued GM service bulletin because a fix is now available for a software problem in the Engine Control Module that may cause the CT5 to fail ...
GM has issued a voluntary emissions recall for certain units of the 2021 through 2023 Chevy Trailblazer to address an issue with the crossover’s engine control module, which may not properly clear an ...
-it seems that those three little letters strike fear into many a promoter, track owner, or sanction head whenever they hear it. ECU stands for Engine Control Unit. Also called an ECM (Engine Control ...