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Absolutely. While PSA has moved on to DiagBox 9.x and 10.x (which require a full internet connection and a genuine Actia license),
Locate your downloaded Diagbox_Update_V7.44_To_V7.57.exe file. Run the installer as an administrator.
With Diagbox, you can:
Windows 7 32-bit (Professional or Ultimate) is highly recommended. Diagbox requires 32-bit architecture for the Lexia drivers to function. Windows 10/11 64-bit users must use a Virtual Machine (VMware) running a Windows 7 32-bit guest OS.
Allow the configuration to overwrite the older 7.44 system files.
: Adds support for newer Peugeot and Citroën models. diagbox 7.02 to 7.57 download
Once you have installed the update that brings you to 7.57, restart your computer.
| Error Code / Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | | Driver signature enforcement in Windows 10/11 | Reboot laptop, press F8, select "Disable Driver Signature Enforcement." | | "Update failed at 70%" | Missing .NET Framework or corrupted download | Re-download the update file. Install .NET 3.5 manually via Windows Features. | | Version still shows 7.02 | Did not run updater as Admin | Uninstall completely, delete C:\PSA , and restart the process. | | PP2000 activation loop | Incompatible firmware on VCI | Downgrade interface firmware to 4.3.2 using a dedicated flasher tool. | | "No communication with ECU" | Vehicle is too new (post-2017) or incorrect cable | DiagBox 7.57 does NOT support PSA's newer 2018+ architecture (Needs DiagBox 9.x). |
Upgrading from Diagbox 7.02 to 7.57 is a manageable process that's well worth the effort. Version 7.57 provides expanded vehicle coverage, full configuration options, and the telecoding capabilities you need to fully access your PSA vehicle's systems. This public link is valid for 7 days
Before applying any updates, ensure that your base version of Diagbox 7.02 (or 7.01 updated to 7.02) is cleanly installed, activated, and functioning. If your base installation is unstable, the updates will fail. Step 2: Download the Sequential Update Packs
The upgrade path cannot be skipped in a single leap. Diagbox updates must be applied sequentially. Step 1: Secure Your Diagbox 7.02 Base
You cannot update directly from 7.02 to 7.57 in one step. Instead, you must install a sequence of incremental update packs: V7.44 to V7.49 V7.49 to V7.57 Installation Prerequisites Can’t copy the link right now
Proceed to the next update (e.g., 7.04 to 7.05) and repeat until you reach . Step 3: Finalizing 7.57
.NET Framework 3.5 and 4.0 must be installed on the machine prior to beginning the software setup.