ECU and TCU or TCM whats the difference??
I have a 1994 galant 2.0. Im confuse with these. What is the difference between the ECU and The TCU in a 1994 galant. I saw in websites,( im trying to get a used parts in both of these), but they have different serial nos. is TCU and ECU the same in a 1994 galant. coz some websites call ECU a TCU and a TCU an ECU!!?? if they are not the same can you tell me please what is the correct serials for both ECU and a TCU for my car.. please help. coz I don't want to end up buying two same unit.