Here is how to reset Ktag and Kess v2 ecu programmer.
1.Download version ksuite 2.08 here
2.Buy new sd card 1gb-2gb and format in fat32 ussing this program
3.For kess use this cfg and 4 file
Copy on sd card 4 file and in ksuite 2.08 open folder update and copy update folder
Connect kess and wait for update all protocol
4. For ktag buy new sdcontinue reading..