PP2000 and Lexia 3, the legacy diagnostic tools for PSA Group vehicles, are specialized, standalone applications designed for deep ECU access. While modern Diagbox versions encapsulate this old software, users often require Windows XP or 32-bit systems for stable operation. For more details, visit French Car Forum . Diagbox for Citroen (and how to get swindled)
If you want, I can:
I’m using an older Rev. C full-chip interface (the one with the blue case). It works flawlessly with versions up to 4.x.x, but anything above 5.x.x gives me constant communication errors or the dreaded "No dialogue with ECU" on 2004-2008 models (especially BSI and injection on a 307 and C4). PP2000 - LEXIA OLD versions - MHH AUTO - Page 1
DiagTech_2025 Topic: Seeking stable older versions of PP2000 & Lexia software PP2000 and Lexia 3, the legacy diagnostic tools
Be careful with fake “old versions” repacked with malware. Always check MD5 hashes. I have a clean set: Diagbox for Citroen (and how to get swindled)