The General has issued a service bulletin describing a fix for certain units of the 2021 Cadillac CT4 compact luxury sedan that may be affected by an incorrectly calibrated Engine Control Module (ECM) ...

General Motors has issued a new Service Update, this time for the 2023 GMC Terrain, which may exhibit an issue impacting the vehicle's fuel pump control module.

When driving a car with an automatic transmission, owners may encounter various problems with the engine control system. The most common one is the U0100 error. What ...

-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 ...

This article is published in Aviation Week MRO part of Aviation Week Intelligence Network (AWIN), and is complimentary through Feb 20, 2026. For information on becoming an AWIN Member to access ...