Description and Operation: Description: Notes
WARNING: This page is about a different car, the 2017 Genesis G90. However, it is still accessible from the selected car via links, so may be relevant.
Transmission Control Module (TCM) plays a role of the brain for the automatic transmission. The module receives and processes signals from various sensors and implements a wide range of Transmission controls to ensure optimal driving conditions for the driver.
TCM is programmed for optimal response to any on-road situation. In the event of a transmission failure or malfunction, TCM stores the fault information in memory so that the technician can refer to the code and quickly remedy the transmission below.