The is a comprehensive collection of ECU (Electronic Control Unit) XML definition files used by diagnostic software like DDT4ALL , PyRen , and DDT2000 to communicate with Renault, Dacia, Nissan, and some Mercedes-Benz vehicles .

: The database is often found as a compressed file named ecu.zip or a folder named ecus .

: Look for "DDT2000 Database Update [Year]" on specialized forums (e.g., MHH Auto ) or specialized Discord servers.