Whether you’re hunting down a stubborn check engine light, monitoring engine sensors in real time, or seeking a tool robust enough for light shop work, our selections of the best OBD2 scanners under 500 will help you diagnose, troubleshoot, and clear codes with confidence.
Having a reliable OBD2 scanner is the key to quickly diagnosing engine troubles, reading real-time data, and even performing advanced functions like bi-directional tests and ECU coding. But with so many models on the market, finding the right balance of performance, ease of use, and price is overwhelming.
To help, we’ve curated this roundup of the best OBD2 scanners under $500 available today.
What is an OBD2 Scanner?
An OBD2 scanner is a diagnostic tool used to read and clear trouble codes from a vehicle’s onboard diagnostics system. It helps identify issues with the engine, transmission, ABS, airbags, and other systems.
Why OBD2 Scanners?
Investing in the best OBD2 scanners under 500 comes with multiple benefits that include:
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Comprehensive vehicle coverage. Modern OBD2 scanners are designed to work with a wide range of vehicle brands and models. This means you will have one device that handles all your diagnostic needs, no matter the origin of the vehicle.
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Advanced live-data and graphing for pinpointing intermittent issues. OBD2 scanners provide real-time data streams from various sensors. The advanced models let users graph this data for easier interpretation.
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Bi-directional control of actuators and components. This allows the scanner to send commands to the vehicle’s onboard systems, such as activating fuel injectors, opening solenoids, or cycling the A/C compressor.
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Wireless connectivity for use with smartphones, tablets, or laptops. This enhances portability as you don’t have to be tethered to the vehicle with cables and ease of updates.
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User-friendly interfaces that make complex diagnostics accessible. Besides, the intuitive design, touchscreens, simplified menus, and guided diagnostic procedures make it easier for non-experts to use.
Best OBD2 Scanners under 500
1. Autel Scanner MaxiCOM MK808S
The Autel Scanner MaxiCOM MK808S is the best OBD2 scanner under 500. It stands out as a powerful and cost-effective diagnostic tool tailored for professional mechanics and serious DIYers.
With its 7-inch responsive touchscreen, intuitive Android-based interface, and fast quad-core processor, the MK808S offers an impressive combination of performance and ease of use. It supports full OBD2 functions including reading and clearing codes, live data viewing, freeze frame, and emissions readiness.
One of its key strengths is the wide vehicle coverage which makes it a versatile tool for a wide range of automotive service environments. The tool also includes 28+ advanced service functions such as oil reset, EPB, SAS, DPF regeneration, BMS reset, and IMMO (basic key programming), significantly expanding its value.
Where the MK808S truly shines is in its balance between functionality and affordability. It features automatic VIN detection and system auto-scan for faster diagnostics. Furthermore, the frequent software updates ensure compatibility with the latest models and diagnostic protocols, and the cloud-based report sharing is a great touch for professional shops.
Pros
- Robust construction and performance
- Ease of use
- Wide compatibility
- Great value for money
Cons
- It doesn’t offer bi-directional (active test) capabilities like higher-end models
2. XTOOL D7 Bidirectional OBD2 Scanner
The 2025 XTOOL D7 obd2 scanner diagnostic tool with bidirectional is perfect for both DIY enthusiasts and professional mechanics, offering faster diagnostics, longer battery life, and wider vehicle compatibility.
Its upgraded 5000mAh battery with 2500mAh 7.3V fast-charging ensures all-day use. The new support for FCA, CAN FD, and DOIP covers more vehicle models and the enhanced V2.0 Diagnostic Report lets auto shops personalize reports with logos, customer details, and attachments.
Furthermore, the XTOOL D7 offers advanced features typically found only in expensive professional OBD2 scanners, without the high price tag. With 4,000+ Active Tests & Bidirectional Pids, ECU Coding, 36+ Special Functions, advanced module resets like SRS Reset, OE-level All-System Scan (one-click), FCA AutoAuth, CAN FD, DoIP, data export, and up to 8 PIDs graphing, the D7 covers 100,000+ vehicles (excluding Indian models).
Moreover, it offers true bidirectional control plus advanced bidirectional PIDs, letting you send commands to components like A/C clutches, fuel injectors, windows, fans and more, while monitoring sensor responses live to catch elusive issues.
Pros
- Enhanced modern vehicle compatibility
- Long battery life
- Smarter file management and personalized reports
- Excellent diagnostic capabilities
Cons
- The auto‑scans and updates speeds are sometimes slow
3. FOXWELL NT624 Elite All System OBD2 Scanner
The FOXWELL NT624 Elite All System OBD2 Scanner is a robust and feature-rich diagnostic tool that offers both amateur enthusiasts and professional mechanics an impressive level of functionality.
The selling point of this tool is its robust construction. It is solid and well-built, with a 4.3-inch color screen that displays data clearly and a user-friendly interface that simplifies navigation through the scanner’s extensive features.
Furthermore, the NT624 Elite supports full OBDII diagnostics on all vehicles manufactured after 1996 and offers comprehensive system coverage beyond just engine diagnostics, including ABS, SRS (airbag), transmission, and even body, chassis, and HVAC systems on most major car brands.
The live data stream, freeze frame analysis, and readiness tests are especially useful for tracking down intermittent issues and verifying repairs. Additionally, the ability to reset key systems like oil service lights, EPB, and SAS is a valuable bonus for routine maintenance.
Performance-wise, the NT624 Elite stands out due to its speed and broad compatibility. It connects quickly to a vehicle’s ECU and retrieves data with minimal lag. Moreover, the updates via USB are straightforward with FOXWELL’s software, ensuring that the device stays current with new vehicle models and features.
Pros
- Ability to read and clear codes across virtually all system
- Excellent value
- Solid and well-built
- Easy to operate
- Compatible with a wide range of vehicles
Cons
- Lack of Wi-Fi or Bluetooth connectivity
4. OTOFIX D1 Lite 2025 Bidirectional Scan Tool
As one of the best OBD2 scanners under 500, the OTOFIX D1 Lite 2025 Bidirectional Scan Tool is a robust and highly intuitive diagnostic device tailored for both automotive professionals and serious DIYers.
Boasting Bluetooth connectivity and a user-friendly Android-based touchscreen interface, this tool simplifies complex diagnostics with remarkable ease. It supports a wide range of vehicle makes and models, offering full OBD2 capabilities including reading/clearing codes, live data, I/M readiness, freeze frame, and O2 sensor tests.
Another feature that makes it stand out is bidirectional control. It allows users to perform active tests like turning on fans, cycling the A/C, or operating windows and locks to pinpoint system issues more efficiently. The wireless functionality, combined with a fast boot time and smooth performance, further enhance its functionality making it an excellent tool for shop floors or on-the-go diagnostics.
Above all, this tool delivers premium features like ECU coding (on select models), a wide array of reset functions, and real-time vehicle health reports at a mid-tier price.
Pros
- Compact build
- Durable case
- Intuitive and user-friendly interface
- Reliable and cost-effective investment
Cons
- Short battery life
5. iCarsoft CR Pro+ 2025 All System Diagnostic Bidirectional Scan Tool
Next, we have the iCarsoft CR Pro+ 2025 All System Diagnostic Bidirectional Scan Tool. It stands out as a versatile and user-friendly diagnostic device suitable for mechanics and car owners.
Compatible with over 40 vehicle makes, it offers comprehensive coverage across all major systems, including engine, transmission, ABS, airbags, and more. Its bidirectional control capabilities allow users to perform active tests on components such as EVAP systems, ABS motor pumps, windows, and sunroofs, facilitating accurate fault diagnosis and resolution.
Additionally, the tool supports a wide range of reset and relearn functions, including oil service resets, DPF regeneration, injector coding, and electronic parking brake (EPB) calibration. The device operates as a standalone unit, eliminating the need for a laptop or additional software, and offers free lifetime updates via USB, ensuring it remains current with evolving vehicle technologies.
To top it all off, it features a multilingual interface and 4.3-inch TFT LCD display with a resolution of 800 x 480 that ensures clear and detailed readings.
Pros
- Robust and cost-effective
- Multilingual interface
- Broad compatibility with a wide range of vehicles
- Versatile and user-friendly
Cons
- Comparatively slow speed
6. ScanGauge 3
If you are looking for an OBD2 scanner that offers a blend of performance monitoring, trip tracking, and modern interface, look no further than the ScanGauge 3. It justifies the investment, especially for drivers who value data-driven insights into their vehicle’s health and performance.
The ScanGauge 3 is a highly versatile and intuitive OBD2 code reader that offers far more than basic diagnostic functionality. Its standout feature is the large, vibrant touch screen, which provides an intuitive interface for both novice and experienced users.
Furthermore, the responsive screen makes navigating between the digital gauges, trip computer, and diagnostic tools seamless and user-friendly. Installation is also straightforward. Simply plug into your vehicle’s OBD2 port, and the device powers up immediately, automatically detecting your vehicle.
What’s more, this tool has the ability to display up to 9 real-time parameters simultaneously. This makes it incredibly helpful for anyone interested in monitoring performance or driving habits. Besides, the customizable gauge display adds another layer of personalization, making it easy to set up based on your driving priorities.
Pros
- Built-in Wi-Fi update functionality
- Excellent job reading and clearing codes quickly and accurately
- Straightforward to install
- Intuitive and highly responsive screen
Cons
- Higher price point than simpler OBD2 readers
7. Innova 5610 OBD2 Bidirectional Scan Tool
The Innova 5610 OBD2 Bidirectional Scan Tool is our last recommendation for the best OBD2 scanners under 500. It is a feature-rich diagnostic device aimed at both DIY enthusiasts and professional mechanics.
The most notable feature of this scan tool is its bidirectional control. It allows users to not only read vehicle data but also actively send commands to vehicle systems, such as activating fuel pumps, opening solenoids, or cycling the A/C clutch to test functionality.
Furthermore, the tool supports OEM-level diagnostics on a wide range of vehicles, including ABS, SRS, transmission, and even some hybrid systems. The large, bright display is easy to read, and the interface is intuitive, with clear navigation through modules, live data streams, and freeze frame data.
Additionally, the built-in RepairSolutions2 app integration enhances the user experience by offering detailed repair suggestions, verified fixes, and access to technical service bulletins.
In terms of performance, the Innova 5610 proves fast and reliable. It connects quickly to most vehicles and retrieves codes within seconds. Live data streaming is smooth, with customizable PIDs and graphing options that help with in-depth diagnostics.
The tool’s smog readiness indicators are a bonus for users preparing for emissions testing, and the inclusion of battery and charging system testing adds further utility.
Pros
- Excellent value for the range of functions
- Bidirectional control for active tests and system commands
- OEM-level diagnostics for ABS, SRS, transmission, and more
- Easy-to-read, full-color screen and intuitive menu navigation
- Coverage for a wide range of vehicles, including newer models
- Live data streaming and freeze frame data
Cons
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Not all advanced features work on every vehicle
Criteria for Choosing the Best OBD2 Scanners under 500
When choosing the best OBD2 scanner under $500, several key factors should be taken into account to ensure you get the most value and functionality for your budget. These factors include:
Compatibility
First and foremost, compatibility is essential. Ensure the scanner supports the specific make, model, and year of your vehicle, as not all scanners work universally across all car brands.
Type of Diagnostics
Next, evaluate the types of diagnostics the scanner offers. Some budget scanners only read basic codes, while others can access advanced systems like ABS, SRS, transmission, and even perform live data streaming.
User-Interface
Another important consideration is the user interface and ease of use. The best OBD2 scanners under 500 should be intuitive, with a clear display and straightforward menu navigation. This makes them accessible to all users, even to beginners.
Software and Update Support
Software and Update Support is also crucial. Choose a scanner from a reputable brand that offers regular software updates to ensure ongoing compatibility with newer vehicles and access to the latest diagnostic features.
Connectivity Options
Another factor to weigh is connectivity options. The best OBD2 scanners under 500 connect via Bluetooth or Wi-Fi to a smartphone or tablet, offering more flexible usage, while others are standalone handheld units.
Bi-directional Controls
Depending on your preferences, you may want a scanner that supports bi-directional controls. This is feature that lets you send commands to your vehicle’s systems, such as activating components for testing.
Data Storage
Data storage and logging capabilities are crucial when selecting a diagnostic scanner. These features allow the device to save diagnostic reports, error codes, and sensor data, which can be invaluable for reviewing past issues or tracking intermittent problems over time.
Build Quality
Additionally, check the build quality of the scanner. A robust and well-constructed scanner will endure the rigors of frequent use in a workshop or garage setting. Look for devices made with high-quality plastics or rubberized housings that offer protection against drops, spills, and general wear and tear. A solid build also helps ensure reliable performance over time.
Portability
Finally, look at the portability of the OBD2 scanner, particularly if you are a mobile mechanics or DIY enthusiast who need to transport the scanner between different locations. A lightweight and compact design makes it easier to carry and store.
Best OBD2 Scanners under 500 FAQs
- Do OBD2 scanners work on all cars?
Most OBD2 scanners work on vehicles sold in the U.S. from 1996 onward. However, compatibility varies for specific functions so always check if the scanner supports your vehicle’s make, model, and year.
- Are Bluetooth OBD2 scanners reliable?
Yes, reputable Bluetooth scanners are reliable. They pair with smartphones via an app and offer convenience, although they may not be as fast or comprehensive as high-end wired scanners.
- Are software updates in OBD2 scanners important?
Yes. Regular updates ensure the scanner stays compatible with new car models and has the latest diagnostic features.
Conclusion
To wrap it up, Choosing the best OBD2 scanner under 500 depends on your specific needs whether you’re a professional mechanic, an auto enthusiast, or a casual driver looking to save time and money on diagnostics. Look at the features that each scanner brings to the table and investing in a reliable model that helps you stay ahead of costly repairs by empowering you with the information you need about your car’s health.