2004 Bentley Continental GT Kessy 93C86 All Keys Lost is done with Xhorse VVDI Key Tool Plus.
Read Kessy eeprom
Make dealer key
1. Desolder EEPROM IC 93C86 and read dump with key tool plus
*Siemens Kessy need to remove 93C86 off the board for a good ready or you risk corruption.
Go to Immo Programming- Porsche- Cayenne 4th Immo System -All keys lost to try to generate dealer key
Load engine/Kessy EEPROM to get PIN/CS
upload eeprom 93C86
Load Kessy 93C86 before 2008 eeprom data
Get PIN and CS code
Then go to Xhorse key tool plus Immo Data Tool-Porsche-Kessy- Hitag 93C86 to make dealer key