Hello VW tech's. another shop installed a used ECM and it needs key matching. Was able to get the 4 digit security codes out of both modules. The only way we have ever done this is when adding a new key to a existing ECM. Is it even doable to program a used EC...

FIX posted 5/21/2015

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle