A transmission management module (TCM) is an digital management unit that’s answerable 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 situations. It then sends alerts to the transmission to shift gears accordingly.
Testing the TCM is essential 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 instrument, checking for bother codes, and performing a bodily inspection.