Yesterday I used kess V2 to id and read file from my me7.5 modified the file. Now going to write it and the kess rejected it at 2-3% with change of speed not possible. I removed both dash fuses 11 & 15 tried again but same thing. Tried all speeds and ohms but nothing different still 2-3% max and same error.
So I found an old mpps v13 uploaded all software etc and done read and id no problem. I tried to write again but had a repeated error where it kept asking me to turn ignition on and off then would try again. This went on for a fair few times till I gave up.
Now I'm under the impression that I'm being locked out from writing the ECU. Is it pin 24 to bootmode it? Then try again with mpps??? I can't think of anything else it could be and never had a problem with these before. Weird.