Using a full diagnostic tool carries responsibilities. Modifying the wrong values can temporarily disable vehicle systems.

Ross-Tech recommends purchasing an interface based on an FTDI FT232 chip, as they "almost always work well". Cables with genuine FTDI chips (such as the OHP FT232RQ model) provide more reliable communication.

Plug your KKL cable into a USB port on your laptop (without connecting it to the car yet). Open Windows .

Ross-Tech distributes VCDS-Lite as shareware. Anyone can download the basic version for free, but many essential diagnostic and customization functions are locked until the software is fully registered and activated. Feature / Capability Free Shareware Version Full Registered Version Limited (Shows text for only some codes) Full (Shows text for all VAG codes) Clear Fault Codes Measuring Blocks / Live Data Groups 001-025 only All available groups (001-255) Basic Settings (e.g., Throttle Body Alignment) Fully Enabled Adaptations (e.g., Tweaking idle speed, door locks) Fully Enabled Output Tests Fully Enabled Code Control Modules Fully Enabled

Then he found it. . Group 098.

What specific are you trying to troubleshoot?

Allows for saving changes to module behavior (e.g., locking, lights, or horn behavior) and viewing coding charts in a balloon pop-up.