This occurs if a specific module (like an old ABS pump) is dead or disconnected. It can also happen on aftermarket car stereos. Early VAG cars route the K-Line diagnostic wire through the factory radio wire harness. If an aftermarket stereo was wired incorrectly, it can short out the K-line. Unplug your aftermarket radio and attempt the scan again. Conclusion
To bridge the gap between your Windows 7 laptop and your vehicle's OBD2 port, you must use the correct diagnostic hardware interface.
is a legacy diagnostic software package designed to communicate with Volkswagen Group vehicles (Audi, VW, SEAT, and Skoda). It is frequently used with KKL interface cables to perform dealer-level tasks such as reading fault codes, viewing live data, and performing basic adaptations on older models. Key Features of Audi VWTool 2.0.9 Audi VWTool 2.0.9 for Windows 7 English.71
To interface with the vehicle, the software requires a physical connection cable:
Turn the vehicle's ignition to the position (do not start the engine). This occurs if a specific module (like an
Windows 7 Home Premium, Professional, or Ultimate.
Resets throttle bodies and performs basic service interval resets. If an aftermarket stereo was wired incorrectly, it
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Check the box at the bottom for and hit Apply. Step 4: Connecting to the Car