An authoring system for ODX (ISO 22901) & OTX (ISO 13209) and guided diagnostics providing textual and graphical editors for creation of diagnostic data. The vega.creator follows a data-driven approach that allows the users to run their diagnostic data in each stage of the value chain. This includes system-development, vehicle-production, aftermarket and onboard use-cases. Through a standard compliant OTX-Extension implementation the users are able to extend the creator for their specific requirements. Additionally vega.creator allows the seamless integration of measurement equipment to further improve the diagnostics experience.