-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 ...

GM has issued a voluntary emissions recall for certain units of the 2022 GMC Sierra HD equipped with the 6.6L V8 L5P turbodiesel Duramax engine due to a faulty Engine Control Module (ECM). The problem ...

The P0443 code indicates that your vehicle’s engine control module (ECM) has detected that there is an electrical malfunction in the purge control valve circuit, which is part of the EVAP (Evaporative ...