my module went tits up as they seem to on facelift b5's so i got a module from an a6 from a breakers.put it on and it threw a code for front right abs sensor so changed it and now cant communicate with module so its dud as well and the sensor was probably ok in the first place.i had a go at fixing the original module and got rid of the flashing warning but the abs light was still on.im now thinking that it was maybe fixed and just needed the code cleared.im going to put the original one back on and clear any codes and see what happens.pain in the ****.anybody know if you can check the module while it is off the car?