10 Best Audi Car Code Scanners 2025 in the United States

The XTOOL D7 Bidirectional OBD2 Scanner is a versatile diagnostic tool suitable for both DIY enthusiasts and professional mechanics. It boasts extensive compatibility, supporting over 10,000 vehicle models including US, European, and Asian makes. This makes it a valuable tool for anyone working with a variety of vehicles, especially Chrysler, GM, and BMW models due to its FCA AutoAuth and CAN FD support.

The functionality of the XTOOL D7 is impressive, offering 36+ reset functions, active tests, and bi-directional control over various vehicle systems, allowing users to perform in-depth diagnostics and maintenance at home, potentially saving costly trips to the mechanic. Its ability to graph up to 8 live data streams simultaneously is particularly beneficial for detailed analysis. The user interface is user-friendly, supported by an upgraded 1024x600 display and running on Android 10.0, making navigation straightforward.

The connectivity options are robust, and the device includes a 5000mAh battery that ensures prolonged usage without frequent recharging. Software updates are free for three years, keeping the scanner up-to-date with the latest vehicle models and diagnostic procedures. However, there are some drawbacks. The scanner is relatively large and weighs around 4.84 pounds, which might make it less portable than other models. Additionally, while it offers a wide range of functions, not all are compatible with every vehicle, necessitating a VIN check for specific functionalities. Lastly, despite its multilingual support, switching languages requires contacting the manufacturer, which could be inconvenient for some users.

The XTOOL D7 Bidirectional OBD2 Scanner is a powerful and comprehensive tool for those needing extensive vehicle diagnostics and maintenance capabilities.

The Thinkdiag2 All System Bidirectional Control OBD2 Diagnostic Scanner is a versatile tool suitable for both DIY car enthusiasts and small repair shops. One of its key strengths is its broad compatibility, supporting over 120 car brands and CAN-FD protocol, which is particularly beneficial for users with newer GM vehicles. It also offers extensive functionality with features like Auto VIN detection, bi-directional control, ECU coding, and 15+ maintenance functions. This makes it capable of performing a wide range of diagnostics and resets, which can save both time and money by identifying and addressing issues quickly.

The user interface is also a strong point, with a dedicated 'ThinkDiag+' app that provides a stable connection and intuitive navigation on both iOS and Android devices. Additionally, the scanner supports multiple languages, making it accessible to a wider audience. Connectivity is reliable with Bluetooth 5.0, ensuring quick and stable communication between the scanner and mobile device. On the downside, the necessity of purchasing an additional AutoAuth registration for some FCA vehicles may be inconvenient for some users. Additionally, after the first year of free updates, there's an annual fee for software updates, which could be a recurring cost to consider.

Report generation and data storage are well-handled, with the ability to view, share, and print diagnostic reports, but the recommendation against using it on tablets may limit its usability for some. Despite these minor drawbacks, the Thinkdiag2 offers a comprehensive suite of features at a cost-effective price, making it a valuable tool for a wide range of users.