Last updated: October 2025. This guide follows the most common chipset variants (FTDI + STM32FA). If your VCI is an old Actia XS (2008-era), do not update firmware – stay on 7.57.
Version 7.58 is the last of the "old architecture." If you need to diagnose 2021+ models (like the new Peugeot 308 or Opel Astra L), you actually need DiagBox 9.x or 10.x, which use a different licensing model. However, for 98% of PSA vehicles manufactured between 2002 and 2020, 7.58 remains the gold standard. diagbox 7.57 to 7.58 download
If 7.58 doesn't talk to your car, check your VCI firmware. Some updates push the firmware from 4.3.0 to 4.3.2, which may require a "full chip" Lexia interface to function properly. or help with troubleshooting specific ECU communication errors Diagbox Update 7.57 vers 7.58.exe - g.stell - Chomikuj.pl Last updated: October 2025
Peugeot Forums : Useful for finding VMware pre-installed versions that already include version 7.57 or 7.58. Version 7