Wooop
checked fuse number 8 it had gone (cheers for that Ibiza125) replaced it and I'm back on boost with no fault codes and TCS is working
so I must of done the bypass's right. Cheers gaz for helping too. I would recommend doing the bypass though only reason it messed up for me was that the N112 was flopping about so when I was booting it it melted lol :/