1. Overview File Name: edc17.dll Type: Dynamic Link Library (32/64-bit) Purpose: Core interface for reading, modifying, and checksumming Bosch EDC17 (Electronic Diesel Control, 17th generation) ECU binary files (dumps/calibrations). Associated Software: WinOLS, ECM Titanium, other tuning tools. Dependency: Typically requires vcredist (Visual C++ Runtime) and specific licensing keys.