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Any firmware file · Most makes

What is in this ECU file?

See what a firmware file holds: part numbers, software versions, dates and VIN, with a summary of which ECU and car it points to.

  • Free file check first
  • No account
  • Your file is not kept

It starts as soon as you attach the file. Each line says what it rests on.

Log

Nothing yet. Attach a file.

Price

Free

Your file

Attach a file to see what is in it.

What it shows

A summary of the file: the ECU, where that ECU is used, the make, VIN, model year, engine and numbers. Every line says what it rests on, so you can judge it yourself.

Below that, everything it found, in groups: numbers and identifiers, ECU type and supplier, software versions, processor and tools, dates, each with its address in the file and how often it repeats. Strings it has no rule for are listed too, up to 300.

What it cannot do

Firmware rarely spells out the make and model. They are worked out from the ECU type, from a number in our tables or from a VIN, and that is a hint, not proof. Always compare the numbers on the ECU itself before you write anything to it.

This is a free tool, with no guarantee. By using it you confirm that you may use these files. Terms, section 17

Questions

Which files does it take?

Any firmware file: it looks for text inside the file, so the format does not matter much. A compressed or encrypted file shows little, so unpack a VBF to a .bin first.

Why does it not name my car?

Toyota, Honda and Hyundai numbers are read from the file, but our tables often do not take them as far as the model. For very common ECUs the list of makes says little, and only a VIN settles it.

Is my file kept?

No. It is read on our server for the length of the request and not saved or logged.