The "dejavu 93c86 decrypter" is not a piece of generic software you can find with a simple Google search. It is a specialized, commercially-sold tool developed by the company DiagLab (dialab.ee) for a very specific purpose: to work with encrypted data from 93C86 EEPROM memory chips used in vehicle instrument clusters (dashboards) manufactured by VDO (a major automotive electronics supplier now part of Continental).
The 93C86 is a specific model of lectrically E rasable P rogrammable R ead- O nly M emory (EEPROM) chip. It's a small, non-volatile memory chip that stores critical data even when the car's power is off. The "93C86" variant is a 16-kilobit memory chip commonly found in early-to-mid 2000s VDO instrument clusters for a wide range of Volkswagen Auto Group (VAG) vehicles. dejavu 93c86 decrypter rapidshare best
The programmer reads the 2,048 bytes of data. A raw, encrypted 93c86 dump looks like an unreadable block of hexadecimal pairs: The "dejavu 93c86 decrypter" is not a piece