7 Best Scan Tools for Car (Researched and Compared)

We researched, compared, and evaluated the top scan tools on the market using manufacturer specifications, industry standards, and aggregated owner feedback. Our guide covers seven real products that range from simple code readers to advanced bi-directional scanners. Each pick has been assessed for performance, durability, value, ease of use, and safety. Whether you are a DIY enthusiast or a professional mechanic, this guide will help you choose the right tool.

1. BlueDriver Professional OBD2 Scanner: Best Overall

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The BlueDriver Professional OBD2 Scanner is our top pick for most users. It combines a compact Bluetooth dongle with a powerful mobile app that reads all OBD2 codes and provides detailed repair reports based on a database of verified fixes. In our evaluation, the live data streaming and graphing capabilities were impressive for the price point. The app is intuitive and regularly updated, which enhances the user experience. However, the tool relies entirely on your smartphone or tablet, which may be inconvenient for some users who prefer a standalone unit.

One real limitation is that while the BlueDriver supports many manufacturer-specific codes, it does not cover all makes and models equally. Owners of older or rare vehicles may find some codes unreadable. If you need a tool that works without a phone or prefer a physical screen, consider the Innova 5610 instead. For the vast majority of DIYers and home mechanics, the BlueDriver offers the best balance of features and value.

• Reads and clears all OBD2 codes, including manufacturer-specific codes.
• Provides detailed repair reports with possible fixes and TSBs.
• Displays live data in customizable dashboards and graphs.

Pros: Excellent app interface and regular updates.; No subscription fees for basic features.
Cons: Requires a smartphone or tablet to operate.

2. Innova 5610 CarScan Pro: Best Standalone

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The Innova 5610 CarScan Pro is a standalone scan tool that does not require a smartphone. It features a large color screen and a simple keypad interface that many users find more direct than app-based scanners. In our research, it covers a wide range of systems including ABS, SRS, and TPMS, making it suitable for more advanced diagnostics. The built-in code database helps you understand what the code means without needing a separate device. The tool is built to last with a rubberized case that can withstand drops in the garage.

However, the Innova 5610 is pricier than many Bluetooth options, and its screen is not as responsive as a modern smartphone. Also, the repair tips are generic and may not be as comprehensive as the BlueDriver’s repair reports. If you frequently work on multiple vehicles and prefer a dedicated handheld tool, this is a solid choice. But if budget is a concern, a Bluetooth dongle may offer similar functionality for less.

• All-in-one handheld unit with a bright color display and keypad.
• Reads engine, transmission, ABS, SRS, and TPMS codes.
• Includes a built-in database of code definitions and repair tips.

Pros: No smartphone required; all functions are on the device.; Durable build with a protective boot.
Cons: Higher upfront cost compared to Bluetooth dongles.

3. Autel MaxiCOM MK808BT: Best Professional

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The Autel MaxiCOM MK808BT is a professional-grade scan tool that comes as a complete Android tablet with a Bluetooth VCI dongle. It offers bi-directional control, allowing you to run active tests like actuating fuel pumps or cycling ABS valves. In our evaluation, the software is comprehensive, covering all OBD2 systems plus many manufacturer-specific modules for European, Asian, and domestic vehicles. The 7-inch screen provides a clear view of live data graphs and code definitions. The tool also supports advanced functions like throttle reset, steering angle calibration, and oil reset.

That said, the MK808BT is overkill for someone who only needs to read and clear check engine lights. Its price point is significantly higher than basic scanners, and the learning curve is steeper due to the many features. Additionally, some users report that the Wi-Fi connection can be less stable than Bluetooth. If you are a professional mechanic or a serious DIYer who works on multiple modern cars, this tool is worth the investment. But for simple code reading, consider a more affordable option.

• Runs on Android OS with a 7-inch touchscreen tablet.
• Offers bi-directional control for active tests and component activation.
• Supports all OBD2 protocols and many manufacturer-specific systems.

Pros: Professional-grade diagnostics with coding and adaptation functions.; Wireless Bluetooth connection for freedom of movement.
Cons: Expensive for casual DIYers.

4. FIXD OBD2 Scanner: Best for Beginners

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The FIXD OBD2 Scanner is designed for absolute beginners who want a simple way to understand their check engine light. In our research, the app is the standout feature: it translates codes into plain English, estimates repair costs, and even offers a maintenance tracker. The hardware is a small Bluetooth dongle that stays plugged into the OBD2 port. The setup process is straightforward, and the app guides you through every step. FIXD is one of the most affordable options on the market, making it a low-risk purchase for new car owners.

However, FIXD only reads generic OBD2 codes and does not support manufacturer-specific codes or advanced systems like ABS, SRS, or TPMS. The durability of the dongle is average, and some users report connectivity issues with certain phone models. If you only need to diagnose a check engine light on a 1996 or newer car, FIXD is a great choice. But if you plan to work on older cars or need deeper diagnostics, look elsewhere.

• Plug-in and connect to the FIXD app for instant code reading.
• Provides plain-English explanations and estimated repair costs.
• Tracks maintenance schedules and sends reminders.

Pros: Extremely easy to use; perfect for first-time scanner buyers.; Affordable with no subscription for basic features.
Cons: Limited to basic OBD2 codes; no manufacturer-specific or advanced diagnostics.

5. Launch CRP123X: Best Value

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The Launch CRP123X is a handheld scan tool that punches above its price class. It covers not only engine codes but also transmission, ABS, and SRS systems, which is uncommon at this price point. In our evaluation, the live data graphing and playback features are useful for intermittent issues. The built-in code library helps you understand codes without an internet connection. The tool is self-contained, so you do not need a phone or tablet to operate it. For DIYers who want more than a basic code reader but cannot justify a professional scanner, the CRP123X is a strong contender.

However, the user interface is not as polished as some competitors. The menu navigation can be sluggish, and the screen is small compared to modern smartphones. Also, the tool does not support bi-directional control or coding functions. If you need to perform active tests or module programming, you will need a higher-end tool like the Autel MK808BT. But for reading and clearing codes across multiple systems, the Launch CRP123X offers excellent value.

• Reads engine, transmission, ABS, and SRS codes.
• Includes a 2.8-inch color display and a built-in code library.
• Supports live data graphing and data playback.

Pros: Offers advanced system coverage at a mid-range price.; No smartphone required; all-in-one design.
Cons: User interface can be slow and menu navigation is clunky.

6. Ancel AD310 Classic Enhanced: Budget Pick

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The Ancel AD310 Classic Enhanced is a no-frills OBD2 code reader that does exactly what it promises: read and clear check engine lights. In our research, it is one of the most popular budget scanners on Amazon, with thousands of positive reviews. The screen is large and shows code definitions directly, so you do not need a phone or manual. The operation is simple: plug it in, turn the key, and press a button. For drivers who just want to know why their check engine light is on and clear it, this tool is sufficient.

However, the AD310 has significant limitations. It does not display live data, so you cannot see sensor readings or monitor engine performance. It also cannot access manufacturer-specific codes or other systems like ABS or SRS. The build quality is plasticky, and the screen is not backlit, making it hard to read in low light. If you need any diagnostic capability beyond basic code reading, you should invest in a more advanced scanner. But for the price, it is a reliable entry-level tool.

• Reads and clears OBD2 codes for all 1996+ US vehicles.
• Displays code definitions on the device screen.
• Supports multiple languages including English, Spanish, and French.

Pros: Very affordable; one of the cheapest reliable code readers.; Simple one-button operation and large screen.
Cons: No live data or graphing capabilities.; Does not support manufacturer-specific codes or advanced systems.

7. TOPDON ArtiDiag800 BT: Best for DIY Pros

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The TOPDON ArtiDiag800 BT is a powerful scan tool that bridges the gap between DIY and professional use. It comes with an 8-inch Android tablet and a Bluetooth adapter, offering bi-directional control and full system diagnostics. In our evaluation, the interface is clean and responsive, making it easy to navigate through menus and live data. The tool supports a wide range of vehicles and can perform functions like oil reset, EPB service, and throttle adaptation. For the price, it delivers near-professional capability.

However, some users have experienced software bugs that require updates or reinstallation. The tablet’s battery life is moderate, and the tool does not include as many special functions as the Autel MK808BT. If you are an advanced DIYer who wants to perform active tests and service resets without spending on a top-tier scanner, the ArtiDiag800 BT is a solid choice. But if you need the most comprehensive coverage and reliability, the Autel may be worth the extra cost.

• Includes a 8-inch Android tablet with Bluetooth VCI.
• Bi-directional control for active tests and component activation.
• Covers all OBD2 protocols and most manufacturer-specific systems.

Pros: Professional features at a mid-range price.; Large screen and intuitive user interface.
Cons: Some users report occasional software glitches.

Frequently Asked Questions

What is the difference between a code reader and a scan tool?

A code reader is a basic device that reads and clears diagnostic trouble codes (DTCs) from the engine control module. A scan tool is more advanced, offering live data, graphing, and often the ability to read codes from other systems like ABS, SRS, and transmission. Some scan tools also provide bi-directional control for active tests and component activation.

Do I need a scan tool that supports ABS and SRS?

If you only want to diagnose check engine lights, a basic OBD2 code reader is sufficient. However, if you plan to work on other systems or want to clear airbag and ABS lights after repairs, you need a scan tool that supports those systems. Many mid-range and professional tools cover these modules.

Can a scan tool work on all car brands?

Most scan tools that comply with OBD2 standards work on all 1996 and newer cars sold in the US. However, manufacturer-specific codes and advanced functions like coding and adaptations may require a tool that supports that particular brand. Check the tool’s vehicle coverage before purchasing.

What is bi-directional control and do I need it?

Bi-directional control allows the scan tool to send commands to a vehicle’s systems, such as turning on a cooling fan or cycling an ABS solenoid. This is useful for diagnosing component failures and performing service functions. It is typically found on professional and advanced DIY tools. If you are a home mechanic who wants to test components, it is a valuable feature.

How do I update my scan tool's software?

Most modern scan tools connect to a computer or smartphone app to download updates. Some manufacturers offer free updates for a limited time, while others require a subscription. Always check the update policy before buying, as outdated software may miss new vehicle models or codes.

Our Verdict

After researching and comparing the top scan tools, our top pick is the BlueDriver Professional OBD2 Scanner for its excellent app, comprehensive repair reports, and great value. For those who prefer a standalone unit without a smartphone, the Innova 5610 CarScan Pro is our runner up, offering robust diagnostics and a durable design.