OEM Diagnostic
Citroën Service Box (Documentation Backup / SEDRE) is PSA's official electronic parts catalogue and repair documentation portal for Citroën. It provides exploded parts diagrams, part numbers, wiring diagrams, torque specifications, service schedules, technical service bulletins and repair procedures used by dealers and independent workshops. It is a reference and documentation system rather than a live diagnostic interface, so technicians pair it with Lexia/DiagBox for the actual on-car work. A Peugeot equivalent, Service Box, covers the Peugeot brand. It is essential for correct part identification and for following OEM repair methods on PSA vehicles.
Softechpro works on ECU firmware, not parts catalogues, so the two don't overlap; Service Box stays your reference for OEM procedures and part numbers while Softechpro handles the calibration edits and checksum correction.
See Softechpro plansTry the file service