Recent versions also happen to run nicely on macOS and Linux. It also made it relatively easy to get it running on macOS and Linux.Ī: That's the programming language I know best.

I have a day job so I only have limited time for hobby stuff like this. If you think you found a bug, you can open an issue here: Ī: It talks to your car mostly using VW's proprietary KW1281 protocol.Ī: That was easiest for me. Ideally do some reading/searching first in case you're having the same problem that someone else did.

It can read/clear fault codes, do adaptation, read measuring blocks (including Basic Setting), set module coding and run output tests.Ī: You can post a new message in this thread. It can retrieve the SAFE code of some VW radios, saving you a trip to the dealer. What else can it do?Ī: It can read/write to your CCM's EEPROM, allowing you to enable the 'Roll windows up/down with key fob' feature. Some of the installation CDs contain viruses and the cables can be flaky and usually only work with that one program.Ī: If you're running Windows 10/11 and have a VDO cluster: Download kw1281test, unzip it to some folder on your computer, install the driver for your cable and note what COM port it's using in Device Manager, open up a command prompt, CD to the folder containing kw1281test.exe and, assuming your cable is using COM1, type. Q: Can't I just buy a cheap VagTacho cable from eBay?Ī: Most (all?) of the copies of VagTacho and similar tools on eBay are cracked copies of much more expensive commercial products. You'll also need it if you ever need to install a replacement cluster or ECU. You can also use older VCDS cables if they support VCP mode.Ī: You'll need it if you want to match a new key to your car. Drivers for that cable can be found here. For VWs, this means only MKIV cars are supported.Ī: The latest version should always be here: (look under Assets) A list of commands is here: Ī: You need a KKL cable like this one. 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.

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