Many IVECO Stralis models (Euro 4–6) allow you to read active fault codes directly from the instrument cluster:
Look closely at the wiring bundles running along the left and right chassis rails from the cab to the rear axles. iveco stralis rfc fault codes free
If you do not have access to paid diagnostic software, you can attempt a basic diagnosis using the dashboard display and physical inspection. Many IVECO Stralis models (Euro 4–6) allow you