Auto ECU Fault Locator

Go / NoGo  [PASS / FAIL] Test + Fault Finding Test

ECU Go/NoGo (Pass/Fail) & Fault Finding Tests are safe, fast, and reliable.

We use ESD protection for accurate results every time.

Perfect with FADOS testers — ideal for busy mechanics to save time and cut repair costs.

Test with confidence and get your vehicle back on the road faster.

Need fast, easy access to ECU data?

Our online cloud database gives you unlimited access for a full year—plus free updates

Download ECU tests in seconds, learn to record and isolate faults, and even sell your own ECU signatures.

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Quickly test and diagnose your car’s ECU with our Go/No Go and Fault Finding Tests

✔ PASS/FAIL test from the connector—no need to open the ECU

✔ Pinpoint faulty areas with our updated ECU database

Download instantly and start testing with confidence!

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You can test it with the same ECU hardware,

​no problem with the software inside.

Our tests are carried out with safety and accuracy in mind. Here are the key precautions and conditions for reliable testing:

  • Anti-static precautions are in place to protect your ECU.
  • Active gate current is limited to 8mA for device safety.
  • Collector/Drain switching current is limited to 22mA.
  • ESD protection is applied to the Device-Under-Test (during off time).
  • Detailed and accurate test steps with full instructions.
  • Achieve up to 97% accuracy in tests for reliable results.

Safety and precision guaranteed with every test!