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 technical service bulletin for the 2020 Cadillac CT5-V sport sedan over a problem related to its differential control module. According to the TSB document that GM sent to ...
The Engine Control Module (ECM) is a crucial component in a car, as it acts as the brain that controls various engine functions. It works in conjunction with multiple sensors, wires, and connectors to ...