A transmission management module (TCM) is an digital management unit that’s chargeable for managing the operation of a car’s transmission. The TCM receives enter from varied 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 necessary to make sure that it’s functioning correctly and that the transmission is shifting easily. There are a couple of alternative ways to check the TCM, together with utilizing a scan instrument, checking for hassle codes, and performing a bodily inspection.