Post by
elwesso »
https://forums.nicoclub.com/elwesso-u5248.html
Sun Aug 28, 2005 5:03 pm
The difference is the name... TCM is a more accurate (per FSM) description.. TCU=TCM
Technically speaking there are "modules" and "units"... The modules contrul the units.. So you have the ECM (engine control module, actually called ECCS control unit per FSM), TCM (tranny control module) and BCM (body control module), and then you have units.... For instance you have the LCU's (local control units) which rae located in the doors to do the doors and windows, which are controlled by the BCM...
Whenever you hear module, it is usually the main computer for that system, and the unit is usually a sub division controlling a specific area of said system...