Quote:
Originally Posted by jae35
The TCM is not married to the ECU. I've swapped a handful of them. If you buy a new tcm it does need to be programmed. If it's a used one you can swap it and go. They aren't that specific either just match your year up. My last one I grabbed and swapped the whole VB with one from the junkyard. Messy but easy job. |
I believe the "marriage" terminology I read came from the need to program a new TCU to communicate with the existing ECM.
IMO, no reason to install a used electronic component, especially one requiring so much work to swap.
