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) ...

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 ...

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 ...