Searching for "Dejavu 93C86" typically relates to automotive electronics, specifically for decrypting or calculating radio codes and mileage from dumps found in car instrument clusters (like Audi/VW VDO).
The extraction of data for legal or repair purposes is a formal field. dejavu 93c86 decrypter rapidshare best
Here is how the system typically worked: Searching for "Dejavu 93C86" typically relates to automotive