But it's a command line program and only works with cars that support diagnostics via the K-Line. It's open source so you can copy it, modify it or just read through the source code to understand how it works. It runs on Windows 10/11, macOS and Linux. To save you some time, I'll include some basic info here before the historical stuff starts.Ī: It's a program I wrote in 2020 to help TDI VW VAG owners retrieve their vehicle's SKC and program their CCMs using a generic KKL cable that you can probably pick up for $20 or so. While reading through the 1000+ posts might be interesting, it's not going to get you your SKC or mod your CCM very quickly. When I started this thread, I didn't realize that it would grow so large.