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DiagBox

Also known as Diagbox, Lexia, PP2000 and PSA DiagBox

PSA (now Stellantis) dealer diagnostic software for Peugeot, Citroën, DS and PSA-based Opel models.

By Stellantis · Independent community profile — not affiliated with the manufacturer.

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About DiagBox

DiagBox is the diagnostic software used for PSA vehicles, replacing the earlier Lexia (Citroën) and PP2000 (Peugeot) programs. It is now part of Stellantis.

What it can do

  • Global test of all control units, fault codes, parameters and actuator tests.
  • Configuration and telecoding, and module programming through online services.

Access for independent repairers

  • Stellantis brand portals sell per-VIN tokens at €46.20, intended for occasional work in the EEA, Croatia, Turkey and Switzerland.
  • The same tariff lists 1 hour of diagnostic software at €14.65 and 2 hours of programming software at €54.

Hardware

  • A VCI approved by Stellantis, such as the Actia XS Evolution family.
  • Older Lexia-3 interfaces are widely sold as copies. They are popular with owners, but are not an official route.

Limitations

  • Forum reports suggest independents may not get every dealer function, so check the terms for your brand.

Good to know

Per-VIN pricing suits a workshop that sees PSA cars only occasionally. OBD4 does not provide software, licences or downloads.

Hardware you need

Interfaces that connect DiagBox to the car. Official means required or supplied by the software maker.

Interface / hardware Status Price Notes
Stellantis-approved VCI (Actia XS Evolution family) Official — Check the current approved list on Service Box. Source ↗
Lexia-3 PP2000 Community reported — Widely used by owners, usually as copies. Not an official route.

Capabilities & coverage

Key capabilities

  • Adaptations
  • Coding
  • ECU flashing
  • Guided diagnostics
  • Live data
  • Output tests
  • Read & clear fault codes

Vehicle brands

Compatibility note: coverage listed here is a summary of community-submitted information that staff have not yet reviewed. It is not a guarantee for a specific vehicle, model year or software version. Always check the manufacturer's documentation.

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