Newer is not always better in the realm of vintage car diagnostics. There are several critical reasons why a technician would actively search for an old, standalone version of PP2000 or Lexia 3 instead of installing the latest Diagbox version: Offline Telecoding Capabilities
—provides diagnostic depth that standard OBD-II readers cannot match: Global Testing: PP2000 - LEXIA OLD versions - MHH AUTO - Page 1
Dedicated software for Peugeot vehicles produced roughly before 2007–2008. Newer is not always better in the realm
Strengths (older releases)
Modern Diagbox versions (v7.xx, v8.xx, and v9.xx) act as a modern frontend wrapper. When you select an older car, Diagbox silently launches PP2000 or Lexia in the background. However, this emulation layers complexity onto old hardware drivers. PP2000 - LEXIA OLD versions - MHH AUTO - Page 1