Finding the Best Bidirectional Obd2 scanner can be overwhelming with so many options available. This guide, based on extensive testing of 14 different models, highlights the top 8 bidirectional scan tools to help you make the right choice for your needs and budget. We considered everything from affordability to advanced features and real-world performance.
Top 8 Bidirectional OBD2 Scanners Reviewed
1. INNOVA 5610: Best Budget-Friendly Bidirectional OBD2 Scanner
The INNOVA 5610 offers excellent value for its price, especially for home mechanics. While it may not have the most extensive active test capabilities, it provides reliable performance and free lifetime updates. A unique feature is its wired connection with a generous 6-foot cable, ensuring stable communication. Testing showed consistent results in essential actuation tests like cooling fan and fuel pump activation.
Pros:
- Affordable
- Lifetime free updates
- Reliable wired connection
- User-friendly with companion app
Cons:
- Limited bidirectional controls
- No printed manual
2. ANCEL X7: Best Bidirectional OBD2 Scanner for VW/Audi
The ANCEL X7 boasts impressive build quality and a modern design for under $500. It offers extensive actuation tests, especially for PCM modules, exceeding 30 options. The strong Bluetooth connection ensures quick responses, and the long battery life lasts a full workday.
Pros:
- Affordable for its capabilities
- Extensive PCM module actuation tests
- Strong Bluetooth connectivity
- Long battery life
- ECU coding for VW/Audi
Cons:
- Not available on Amazon
- Limited special functions
3. Thinkdiag2: Best Low-Cost Bidirectional OBD2 Scanner
The Thinkdiag2 is a budget-friendly option with a surprising number of features, including CANFD protocol support. It offers control over vital components like the turbocharger and EGR system. While occasional software bugs were encountered, overall scanning and response speeds were good. It even offers key programming for certain vehicles.
Pros:
- Affordable
- Supports CANFD protocol
- User-friendly interface
- Key programming capability (for compatible vehicles)
Cons:
- Occasional software bugs
- Large app size
4. Autel MK808BT Pro: Best Bidirectional OBD2 Scanner for DIYers
The Autel MK808BT Pro is a versatile choice for DIY enthusiasts working on various vehicles. It offers comprehensive active tests and boasts wide vehicle coverage. The reliable connection ensures consistent performance.
Pros:
- Fast performance
- Extensive vehicle coverage
- Excellent special functions
- Reliable connection
Cons:
- Complex interface
- Battery life could be better
5. TOPDON PHOENIX Lite 2: Best Bidirectional OBD2 Scanner with Topology Mapping
The TOPDON PHOENIX Lite 2 combines affordability with powerful features, including a topology mapping function. It offers fast connectivity and impressive performance in scan and actuation tests. The robust Bluetooth connection and long battery life enhance usability.
Pros:
- Comprehensive functions
- Extensive vehicle coverage
- Robust Bluetooth connection
- User-friendly interface
- Topology mapping function
Cons:
- High update fee
This review covers five of the eight top-rated bidirectional OBD2 scanners. Choosing the right scanner depends on your specific needs and budget. Consider the features, pros, and cons of each model to make an informed decision.
