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 product emissions 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 problem: ...

The P0463 code indicates that your car’s engine control module (ECM) is receiving a voltage signal from the fuel level sensor that is higher than expected, which suggests that the system believes the ...