1. A method for generating a reprogramming file for reprogramming a target electronic control unit (ECU) in a target vehicle, said method comprising: providing access to a first file comprising high level language instructions in a standardized specification language for reprogramming said target ECU; providing access to vehicle data for a plurality of vehicles and to a plurality of binary memory images and respective mapping of a corresponding plurality of ECU memories of each vehicle of said plurality of vehicles; providing access to a dictionary database to convert high-level language commands to Unified Diagnostic Services (UDS) operation transactions; utilizing high-to-low level command conversions specific for said target ECU from said dictionary database to generate Unified Diagnostic Services (UDS) operation transactions from said high-level language commands; converting high-level language diagnostic sequence commands into imperative language instructions; compiling said imperative language instructions into binary code corresponding to handling routines; segmenting a binary image of said target ECU into a plurality of data blocks; compiling said plurality of data blocks and respective said UDS operation transactions to provide a plurality of UDS stages, each stage of said plurality of stages comprises one corresponding data block or said plurality of data blocks; assembling said plurality of UDS stages and said handling routines into said reprogramming file.