VVDI PROG unlock PCF7941 PCF7953 PCF7937 tested OK,and now we add more about VVDI Prog key programmer,renew Renault PCF7941 and Audi Smart Key tested OK.Here is some detailed pics.
1.Use other tool to check Renault PCF7941 key status.It shows locked.
2.Start VVDI Prog software,choose Renault detailed type,check connection diagram.
3.Click the “Reset Protect” button and “Yes”. It will erase all key chip data.
4.Click the Open and then click “Write” and “Yes” to continue.After that click the “Set Protect” button to complete.
5.Unlock now.
Audi Smart Key,the same way.