The Engine Control Module (ECM) is the computer responsible for controlling the engine. The ECM communicates with other vehicle control units via a communication bus.

GM has published a service bulletin describing a fix for 2021 Cadillac CT4 sedans with an Engine Control Module that fails to report catalytic converter faults.

Learn all you need to know about Engine Control Modules (ECM), or Engine Control Units (ECU), in this article concering electronically controlled midget engines. Enginology is step one in the ...

GM has issued a recall for certain examples of the 2015 to 2017 model-year Chevy City Express utility van over an issue related to the engine control module.

The engine control module, or ECM, controls plenty of functions during routine driving, so any issues with that part could cause severe problems.

For vehicles with the 3-cylinder 1.5L VC-Turbo engines, if no debris is found during the inspection, dealers will replace the oil pan gasket, engine oil, and reprogram the engine control module.