In short: Ecuhawk AI drafts ECU test cases from a written description, using the real signal and diagnostic names in your project. You review and edit every step before it runs. When a test fails, the AI reads the recorded trace and explains the cause in simple words.
Why ECU test writing is slow today
Most test teams write tests in a tool-specific scripting language or in hand-made Python. A single requirement such as "the ECU must wake up within 200 ms" turns into relay control, a frame wait with a timeout, a diagnostic request and a limit check. Writing and reviewing that takes time, and new engineers need weeks before they are productive.
How it works in Ecuhawk
- Describe the test. Write the requirement the way you would explain it to a colleague, or paste it from the specification.
- AI drafts the steps. Ecuhawk matches your words to real signals, messages, relays and diagnostic services in your project files (DBC, ARXML, ODX or CDD).
- You review. Every step, limit and timeout is shown in a normal test editor. Nothing runs until you accept it.
- Run and report. The test runs on your bench and produces an HTML and PDF report.
- Understand failures. When a step fails, Ecuhawk AI looks at the trace around the failure and suggests the likely cause.
What makes it safe to use
- The AI only uses names that exist in your project. Unknown signals are flagged, never invented silently.
- Bench limits and interlocks are enforced by the engine on every write, whatever the test asks for.
- Tests are plain, readable steps and Python, so they can be reviewed and kept in version control.
Questions
Can AI write ECU test cases?
Yes. Ecuhawk AI drafts ECU test cases from a plain-English description, using the signals and diagnostic services in your own project files. An engineer reviews and edits each step before the test runs.
Does the AI need my DBC file?
It works best with your DBC, ARXML, ODX or CDD files, because it uses the real signal, message and service names from them. Without them it can still draft the structure of a test, with placeholders for you to fill.
Will the AI run tests on my hardware without asking?
No. Drafted tests are shown for review first, and the engine always enforces your bench limits and interlocks.
Can I still write tests by hand?
Yes. You can write and edit tests yourself in the test editor or in Python. The AI is optional.