Question: used VVDI MB tool to read the password for W204 svvvuccessfully, but W203 failed and got error ” Can’t start communication with EIS, check connection!”. How to fix?
Xhorse chief engineer replied:
You need to read W203 password via IR reader.
Here you can have the whole procedure:
http://blog.vvdishop.com/vvdi-mb-bga-tool-program-w203-all-keys-lost/
Any further question, please feel free to contact at: www.vvdishop.com