I don't think you can, I think the dealer can or used to do it but not sure, you could get the immo remapped out of it though apparently, what are you up to anyway? just a replacement or for tuning purposes?
Thanks guys, appreciate the replies. I'm just looking to swap the ecu to see if it sorts a problem. Basically after about 20min of being turned off it appears to forget all its settings and restarts from a very rich mixture. Less than about 20min it restarts first turn. Mixture and idle adaption numbers revert to 0000. Injectors, plugs, temp sensor all replaced, it's none of them (its actually a petrol model, you guys just seemed to have some good ideas! Hope you don't mind).
So I have an ecu in the car, got the SKC for that, got a used ecu from ebay but don't have the SKC for that one.
I have VCDS. I thought I'd could use VAG TACHO to read the used ecu, but can't get connection to 7.xx. Connects to dash ok, but of course that has the original skc.
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