: Always back up your vehicle's current settings before making changes. Incorrect use of these tools can lead to vehicle malfunctions or void warranties.
: For certain VDO dashes with Seed-Key protection, you may need to press "Connect Selected ECU" multiple times (up to 10) before access is granted. Recommended Resources VAG Tacho Download and Installation Guide by SOS Autokeys. VAG TACHO USB Manual (PDF) for detailed command descriptions. VAG Key Programmer Guide for specific key programming procedures. VAG Tacho Download and Installation - SOS Autokeys how to install vag tacho 50 extra quality
Plug the VAG Tacho interface into a free USB port on your PC. When Windows prompts for drivers, choose the Advanced/Manual option to locate the driver folder on your hard disk. Point the installer to the VAG Tacho 5.0 drivers folder provided with your software. If Windows warns that the driver is not certified, select "Install this driver software anyway" : Always back up your vehicle's current settings
Browse to the driver folder provided with your software download. Force Installation: VAG Tacho Download and Installation - SOS Autokeys