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Audi A4 ECU Files

610 ECU files for the Audi A4 covering EDC17CP14, MED17.1, EDC17C46 and EDC17CP20. Immo Off, Virgin and DPF Off files available. Read with KESS V2, FLEX and NEW TRASDATA. Prices from €10, instant download after payment.

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About A4 files

This page lists 610 A4 files that are ready to download. Every file is read from a real unit and is listed by the hardware and software number printed on the ECU label, so you can match your module before you buy. The biggest groups are Original File, Immo Off, Gearbox and Chip Tuning. Control units used on the A4: EDC17CP14, MED17.1, EDC17C46 and EDC17CP20. Engines: Caga, Caha and Cahb. Between them they cover 579 software numbers and 56 hardware numbers. To find the right file, read the hardware and software number from the label and type it into the search box, or use the filters by model and ECU type. Files are supplied exactly as read with Kess V2, Flex and NEW Trasdata. If your version is not listed yet, send us the numbers — most requests are sourced the same working day.

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Frequently asked questions
How do I find the right A4 ECU file?
Read the hardware and software number from the label on your A4 unit and type it into the search box, or filter by model and ECU type. Every file is listed by those exact numbers, so you can match your module before you buy.
Are these original A4 files?
Yes. Every file is read from a real unit; original dumps, immo off, virgin and tuning versions are available where applicable.
Which tools do I need to write these files?
The files are supplied exactly as read and work with common tools such as FLEX, NEW TRASDATA and VVDI PROG, depending on the ECU.
What if my A4 file is not listed?
Send us the hardware and software number from the label. Most requests are sourced the same working day.
How do I get the file after payment?
Downloads unlock the moment your payment clears — straight from your account, no waiting.