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Stellacan diagnostic system
Diagnostics, coding and service functions for supported Stellantis vehicles
Stellacan combines a dedicated diagnostic interface with a Windows application for supported Peugeot, Citroën, DS and Opel vehicles. Identify a vehicle by VIN, scan control units, read faults, monitor live data and perform supported coding or service operations.
The Stellacan diagnostic interface is required. The connected interface authenticates the desktop application, so no separate login is required inside the software.
Required hardware for communication with the vehicle and application authentication.
Application capabilities
What you can do with Stellacan
Available functions depend on the selected vehicle and control unit. Stellacan keeps diagnostics, coding, live data and service tools in one application workspace.
Vehicle-wide diagnostics
Identify supported control units, run global or selected-ECU scans, read and clear DTCs, and open detailed fault information when available.
Coding and guided operations
Read the current configuration, compare values, perform supported coding and use AI-assisted operations where available.
Live data, logging and reports
Monitor parameters, build plots, collect data from multiple modules and save PDF reports or diagnostic data files.
Flash and advanced functions
Access supported controller flashing, history, operations and advanced tools according to vehicle and module coverage.
The guide currently uses English screenshots; the application interface is available in English, French and Polish.
Application overview
See the complete workflow before you buy
The application and interface guide explains the main screen, automatic VIN detection, global scans, control-unit identification, DTCs, coding, live data, updates and license rules.
- Numbered explanation of the main application layout
- Recommended vehicle identification and diagnostic workflow
- Commercial rules for Full-access, Flash and AI operations
Getting started
How Stellacan access works
Connect the Stellacan interface
The dedicated interface connects the computer to the vehicle and acts as the authentication key for the desktop application.
Activate Full-access online
Purchase access through the Stellacan website. It becomes available immediately after successful payment.
Identify the vehicle
Use the recommended automatic VIN detection or select the vehicle manually for supported workshop and bench procedures.
Work without per-VIN limits
During active Full-access, the application does not limit the number of vehicles, VINs or controllers you can work on.
Your website account is used for purchases and account management. The desktop application is authenticated by the connected Stellacan interface.
Built for practical workshop work
Start with automatic vehicle identification, work in the Global view and open only the control units needed for the current job.
- Use automatic VIN detection or select a supported vehicle manually.
- Open multiple control-unit workspaces and move between identification, DTCs, coding and live data.
- Save diagnostic data, load reference values and document work with PDF reports.
Current definitions and multilingual interface
The desktop application is available in English, French and Polish. Definitions are loaded from the server and can be refreshed without reinstalling the application.
- English, French and Polish application interface
- Definitions can be reloaded from the server
- Automatic application update notifications
Hardware and access
Required interface and flexible Full-access
Stellacan diagnostic interface
3 000 PLN / 750 EUR
Required hardware that authenticates the application and provides communication with supported vehicle control units.
- Required for application operation
- Acts as the application authentication key
- Connects the computer to the vehicle
Full-access
1, 3 or 7 days, or a monthly subscription
Access starts at activation. A one-day plan remains active for a full 24 hours rather than expiring at midnight.
- No limit per vehicle, VIN or controller during active access
- Application updates and online definitions
- Monthly plans can include discounts on additional licenses
Automatic application updates
When a new version is available, the application can download it, replace the previous version and restart automatically after confirmation.
Technical support
Use the Support area to send a technical request concerning installation, account access, interface connection or a supported application operation.
Save and compare data
Save diagnostic data to a file, reload complete sessions or use saved values as references and changes during supported coding work.
Start with the product guide
Review the application workflow, create an account to check vehicle coverage and pricing, then choose the Stellacan interface and the Full-access period that fits your work.