DiagProg4 is a professional-grade diagnostic tool designed for mechanics and technicians to diagnose, repair, and program various electronic modules in modern vehicles.

DiagProg4 is primarily intended for professional mechanics and technicians with a strong understanding of automotive electronics and repair procedures.

DiagProg4 offers a wide range of functionalities, including: Reading and erasing diagnostic trouble codes (DTCs) Performing advanced engine management tasks Clearing accident data Accessing and analyzing service history data Testing electronic modules Reprogramming electronic modules after repairs or replacements Programming immobilizer systems, keys, and remote controls Accessing and modifying memory data Coding additional features in vehicles Altering language settings Repairing car modules in some cases