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).
The saga of and is a foundational piece of automotive history for Peugeot and Citroën enthusiasts, representing the era when "the computer" first truly began to rule the car. The Origin: Dealer Secrets PP2000 - LEXIA OLD versions - MHH AUTO - Page 1
Needs to be "full chip" or "rev C" (serial number 921815C) for the best reliability. Software Files: Download from the MHH Auto threads. Step 2: Installation Process I’m using an older Rev