A transmission management module (TCM) is an digital management unit that’s liable for managing the operation of a car’s transmission. The TCM receives enter from numerous sensors and switches to find out the suitable gear for the present driving circumstances. It then sends indicators to the transmission to shift gears accordingly.
Testing the TCM is vital to make sure that it’s functioning correctly and that the transmission is shifting easily. There are just a few alternative ways to check the TCM, together with utilizing a scan device, checking for hassle codes, and performing a bodily inspection.