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Good to knowAbout CTHD files
This page lists 26 CTHD 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 and Chip Tuning. Control units for the CTHD engine: MED17.5.5. Seen on: Passat, Scirocco, Tiguan and Passat CC. Between them they cover 25 software numbers and 3 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 CTHD ECU file?
Read the hardware and software number from the label on your CTHD 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 CTHD 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 CTHD 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.
