The check engine light is on, and a wave of dread washes over you. In the past, this meant an expensive and time-consuming trip to the mechanic, often leaving you in the dark about the actual problem until the bill arrived. Thankfully, modern technology offers a solution right at your fingertips: the OBD2 scanner. These ingenious devices plug into your car’s onboard computer, unlocking a wealth of diagnostic information and empowering you to understand – and sometimes even fix – car troubles yourself. But with a market flooded with options, choosing the right OBD2 scanner can be overwhelming. That’s where understanding Obd2 Scanner Brands becomes crucial.
Not all OBD2 scanner brands are created equal. Just like with any tool, different brands specialize in different areas, offering varying levels of features, user-friendliness, and price points. Whether you’re a seasoned DIY mechanic or a car owner simply wanting to understand that pesky dashboard light, knowing the reputable OBD2 scanner brands can guide you to the perfect device. We’ve put in the hours testing various scanners from leading OBD2 scanner brands to bring you a curated list of top picks, ensuring you can confidently choose a scanner that meets your needs and budget. Below, we’ll delve into some of the best OBD2 scanner brands and their standout models, helping you take control of your car’s diagnostics.
Here are some of the top OBD2 scanner brands and their best models you can buy right now:
- Topdon TopScan: Best Mobile Scanner from a Leading OBD2 Scanner Brand
- Launch CR529: Best Budget-Friendly Scanner from a Trusted OBD2 Scanner Brand
- Topdon Phoenix Lite 2: Best Professional-Grade Scanner from a Reputable OBD2 Scanner Brand
- Ancel BD310: Best Dual-Purpose Scanner from an Emerging OBD2 Scanner Brand
- Carly OBD-II Scanner: Best App-Integrated Scanner from a Specialized OBD2 Scanner Brand
For a more detailed look at each of these OBD2 scanner brands and their models, keep scrolling. We’ll break down what makes each brand stand out and why their scanners are considered among the best on the market.
Exploring the Best OBD2 Scanner Brands and Their Top Models
Why Trust Tom’s Guide? Our team at Tom’s Guide is dedicated to providing in-depth, unbiased reviews. We rigorously test products to help you make informed purchasing decisions. Learn more about our testing methodology.
Topdon: Innovation and Professional Features in OBD2 Scanner Brands
(Image credit: Topdon)
1. Topdon TopScan: Best Mobile OBD-II Scanner from Topdon Brand
Perfect for: Users seeking a portable, feature-rich scanner from a leading OBD2 scanner brand known for innovation.
Our Expert Review:
Specifications:
- Display/size: None (App-based)
- Bluetooth/handheld: Yes/No
- I/M Readiness test: Yes
- Displays live data: Yes
- Number of keys: None (App-based)
- Warranty: 2 year
- Size: 3.2 x 2.0 x 1.1 inches
- Weight: 2.6 ounces
Reasons to Buy Topdon TopScan:
- Extensive vehicle diagnostic coverage, a hallmark of the Topdon OBD2 scanner brand.
- Real-time live data monitoring for in-depth analysis.
- Unique performance indicators beyond basic diagnostics.
- Comprehensive maintenance item coverage.
Reasons to Avoid Topdon TopScan:
- The Bluetooth transmitter is relatively large.
- Advanced features may require a subscription after the first year.
Topdon has quickly established itself as a leading OBD2 scanner brand, and the TopScan exemplifies their commitment to packing professional-grade features into compact, user-friendly devices. Don’t let its small size fool you; the TopScan is far more than just a basic Bluetooth OBD-II module. Connecting wirelessly to your smartphone app, it delivers a surprisingly robust diagnostic experience that rivals more expensive scanners.
Beyond reading fault codes and performing I/M Readiness tests, the TopScan delves deeper into your car’s performance. It can assess efficiency, estimate horsepower and torque, and provide insights often found in scanners costing ten times as much. For car enthusiasts wanting to fine-tune their vehicle or simply ensure roadworthiness, the Topdon TopScan is an invaluable tool from a trusted OBD2 scanner brand.
Read our full Topdon TopScan review
Launch: Value and Reliability from a Popular OBD2 Scanner Brand
(Image credit: Future)
2. Launch CR529: Best Cheap OBD-II Scanner from Launch Brand
Perfect for: Budget-conscious users seeking a reliable handheld scanner from a well-known OBD2 scanner brand.
Our Expert Review:
Specifications:
- Display/size: Color/ 2.8-inches
- Bluetooth/handheld: No/Yes
- I/M Readiness test: Yes
- Displays live data: Yes
- Number of keys: 8
- Warranty: 1 year
- Size: 6.5 x 3.8 x 1.2 inches
- Weight: 11 ounces
Reasons to Buy Launch CR529:
- Exceptional value for money from a reputable OBD2 scanner brand.
- Free lifetime updates ensuring long-term usability.
- Convenient pre-inspection report generation.
Reasons to Avoid Launch CR529:
- Lacks manufacturer-specific diagnostic codes.
- May feel somewhat heavy compared to other handheld scanners.
- Shorter 1-year warranty.
Launch is a widely recognized OBD2 scanner brand known for delivering dependable scanners at accessible prices, and the CR529 is a prime example. Priced remarkably affordably, the CR529 punches above its weight class, offering a surprising array of diagnostic capabilities. For those seeking maximum value without sacrificing essential features, the Launch CR529 is a standout choice.
While compromises are expected at this price point, such as the absence of manufacturer-specific codes and a slightly heavier build, the CR529 still provides live data, instant inspections, and a detailed look into your car’s systems. The inclusion of lifetime updates further enhances its value, making it a smart, long-term investment for the average car owner. If you need a reliable and budget-friendly scanner from a trusted OBD2 scanner brand, the Launch CR529 is hard to beat.
Read our full Launch CR529 review
Topdon Phoenix Lite 2: Professional-Grade Diagnostics from a Leading OBD2 Scanner Brand
(Image credit: Future)
3. Topdon Phoenix Lite 2: Best Pro-level OBD-II Scanner from Topdon Brand
Perfect for: Serious DIYers and professionals needing advanced diagnostics from a top-tier OBD2 scanner brand.
Our Expert Review:
Specifications:
- Display/size: Color/8-inch
- Bluetooth/handheld: Yes/Yes
- I/M Readiness test: Yes
- Displays live data: Yes
- Number of keys: Touchscreen
- Warranty: 2 years
- Size: 10.2 x 7.2 x 1.7 inches
- Weight: 2.6 pounds
Reasons to Buy Topdon Phoenix Lite 2:
- Professional-grade OBD scanner capabilities from a leading OBD2 scanner brand.
- Versatile handheld with both Wi-Fi and Bluetooth connectivity.
- Large 8-inch touchscreen for easy navigation.
- Extensive array of diagnostic tests and live data displays.
- Includes adapters and a protective hard case.
Reasons to Avoid Topdon Phoenix Lite 2:
- Bulky and heavy, potentially cumbersome for some users.
- Higher price point compared to entry-level scanners.
- Subscription required for updates after two years.
For users demanding near-professional diagnostic power, the Topdon Phoenix Lite 2, another standout from the Topdon OBD2 scanner brand, bridges the gap between amateur and professional tools. While a significant investment, it delivers an impressive suite of features and capabilities that justify the cost for serious car enthusiasts and mechanics alike.
The wireless design, with a Bluetooth-connected control pad, offers exceptional freedom of movement around the vehicle. Despite its robust and workshop-ready build, the Phoenix Lite 2 remains user-friendly, boasting an 8-inch touchscreen and an intuitive interface. It excels in advanced diagnostics, offering live data graphing, comprehensive fault code information, and features typically reserved for high-end professional scanners. If you require top-of-the-line diagnostic capabilities from a respected OBD2 scanner brand, the Topdon Phoenix Lite 2 is a worthy contender.
Read our full Topdon Phoenix 2 Lite review
Ancel BD310: Dual-Purpose Functionality from an Emerging OBD2 Scanner Brand
(Image credit: Tom’s Guide)
4. Ancel BD310: Best Dual-Purpose OBD-II Scanner from Ancel Brand
Perfect for: Users wanting a compact, versatile scanner from an up-and-coming OBD2 scanner brand that can also function as a secondary car display.
Our Expert Review:
Specifications:
- Display/size: Color/2 inches
- Bluetooth/handheld: Yes/Yes
- I/M Readiness test: Yes
- Displays live data: Yes
- Number of keys: 4
- Warranty: 3 years
- Size: 5.1 x 2.4 x 0.6 inches
- Weight: 5.4 ounces
Reasons to Buy Ancel BD310:
- Lightweight and compact design from a growing OBD2 scanner brand.
- Dual functionality as both a scanner and a secondary car display.
- Offers both handheld and Bluetooth scanning options.
Reasons to Avoid Ancel BD310:
- Minimalist interface may lack visual appeal for some users.
- Small 2-inch screen.
Ancel is an OBD2 scanner brand gaining recognition for its innovative and user-centric designs, and the BD310 showcases this approach. Its standout feature is its dual-purpose capability: functioning as a standard handheld scanner and, when connected via Bluetooth, transforming into a secondary display for your car, showing real-time engine data. This unique versatility makes the Ancel BD310 a compelling option for those seeking more than just basic diagnostics.
Its compact and lightweight design makes it incredibly portable, easily fitting in a glovebox for on-the-go diagnostics. While the small screen and minimalist interface might not appeal to everyone, the BD310 delivers essential diagnostic functions, including I/M readiness tests and performance data readings. If you value versatility and portability from an emerging OBD2 scanner brand, the Ancel BD310 is worth considering.
Read our full Ancel BD310 review.
Carly OBD-II Scanner: App-Focused Diagnostics from a Specialized OBD2 Scanner Brand
(Image credit: Carly)
5. Carly OBD-II Scanner: Best Companion App from Carly Brand
Perfect for: Users heavily reliant on smartphone integration and seeking a feature-rich app experience from a specialized OBD2 scanner brand.
Our Expert Review:
Specifications:
- Display/Size: No (App-based)
- Bluetooth/Handheld: Yes/No
- I/M Readiness Test: No
- Displays live data: Yes
- Number of keys: None (App-based)
- Warranty: Lifetime
- Size: 2.9 x 1.5 x 0.7 inches
- Weight: 0.7 ounces
Reasons to Buy Carly OBD-II Scanner:
- User-friendly interface and exceptional companion app from a specialized OBD2 scanner brand.
- Extensive customization options within the app.
- Real-time live data display through the app.
- Covers maintenance and repair information within the app.
- Lifetime warranty and updates, a rare offering from OBD2 scanner brands.
Reasons to Avoid Carly OBD-II Scanner:
- Feature availability varies significantly depending on car make and model.
- App subscription can become expensive for full functionality.
Carly stands out as an OBD2 scanner brand that prioritizes app integration and a seamless user experience. The Carly OBD-II Scanner is more than just a Bluetooth adapter; it’s a gateway to a powerful and feature-rich companion app. While the scanner itself is compact and well-designed, the real value lies in the Carly app, which is arguably one of the best in the OBD2 scanner market.
The Carly app offers a wealth of features, from basic diagnostics and fault code clearing to repair assistance and used car checks. However, it’s crucial to note that feature availability is heavily dependent on your car’s make and model, with brands like VW, BMW, and Ford receiving the most comprehensive support. While the app’s subscription model can be costly for full access, the Carly OBD-II Scanner provides an unparalleled app-driven diagnostic experience from a specialized OBD2 scanner brand, especially for owners of compatible vehicles.
Read our full Carly OBD scanner review
Other Notable OBD2 Scanner Brands and Models We’ve Tested:
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Innova CarScan Mobile 1000 (★★★★☆): Innova is a well-established OBD2 scanner brand known for reliability. The CarScan Mobile 1000 offers wireless convenience with Innova’s trusted diagnostic features, including predictive diagnosis. Read the full Innova CarScan Mobile 1000 review
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ThinkCar ThinkDiag TKD01 (★★★★☆): ThinkCar is an OBD2 scanner brand focusing on advanced features. The ThinkDiag TKD01, while larger than some Bluetooth scanners, is robust and offers manufacturer-specific error codes and error-fixing capabilities. Read our full ThinkCar ThinkDiag TKD01 review.
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Autel AutoLink AL539 (★★★☆☆): Autel is a respected OBD2 scanner brand in the professional automotive world. The AutoLink AL539 is designed for electrical diagnostics, featuring a built-in multimeter, extensive live data, and pre-inspection readiness checks. Read our full Autel AutoLink AL539 review
Frequently Asked Questions About OBD2 Scanners
What is an OBD-II Scanner?
OBD-II scanners are diagnostic tools that mechanics (and increasingly car owners) use to understand a vehicle’s health. They connect to your car’s OBD port and access information from the onboard computer, revealing error codes and live data to pinpoint issues.
What is the OBD-II port?
The OBD-II (On-Board Diagnostics Version Two) port is a standardized port found in most modern vehicles. It’s the interface point for diagnostic tools and other devices to communicate with the car’s computer system. It has been standard in the US since 1996, Canada since 1998, the EU since 2004, and other regions like Australia and Mexico since 2006.
If you’re unsure of your OBD-II port’s location, you can find guides on locating it for North American cars and worldwide vehicles.
What is a DTC?
DTC stands for Diagnostic Trouble Code. These are error codes generated by your car’s OBD system when it detects a problem. OBD-II scanners read and interpret these codes to help users understand the nature of the issue.
What do DTCs actually mean?
DTCs are structured codes that provide information about the problem area. The first character indicates the system affected (Powertrain (P), Body (B), Chassis (C), Network (N)). The second character denotes if it’s a generic (0) or manufacturer-specific (1) code. The third character specifies the subsystem involved (e.g., fuel/air metering, ignition, emissions). The last two characters pinpoint the exact fault. While OBD-II scanners can translate these codes into descriptions, online resources and further research may be needed for complete understanding, as there are over 5,000 possible DTCs. Not all DTCs indicate critical problems; some may simply be warnings about minor issues.
Choosing the Right OBD2 Scanner Brand and Model for You
Selecting the best OBD2 scanner depends on your individual needs and technical expertise. Here’s a breakdown of key considerations:
Handheld vs. Wireless: Handheld scanners have their own display, while wireless scanners connect to smartphones or tablets via Bluetooth. Choose based on your preference for portability and screen size.
Budget: OBD2 scanners range from under $30 to several hundred dollars. Determine your budget and prioritize features accordingly.
Features: Consider essential features like fault code reading, I/M readiness checks, and live data. Advanced features like manufacturer-specific codes, bidirectional controls, and graphing are available in higher-end models.
Brand Reputation: Opt for established OBD2 scanner brands known for quality, reliability, and customer support. Brands like Topdon, Launch, Innova, and Autel have solid reputations in the market.
Warranty and Updates: Look for scanners with good warranties and software update options to ensure long-term usability and compatibility with newer vehicles.
User Level: Beginner users might prefer simple, user-friendly scanners, while experienced DIYers and professionals may require more advanced features and capabilities.
By considering these factors and exploring the reputable OBD2 scanner brands discussed, you can confidently choose an OBD2 scanner that empowers you to understand and maintain your vehicle effectively.
Our OBD2 Scanner Testing Methodology
To evaluate OBD2 scanners, we conduct hands-on testing using a vehicle in real-world scenarios. Our testing process involves:
- VIN Verification: Ensuring the scanner correctly reads the vehicle identification number (VIN).
- Connectivity Testing: Evaluating Bluetooth and Wi-Fi connectivity for wireless scanners and cord length for handheld units.
- Live Data Monitoring: Assessing the scanner’s ability to accurately display real-time engine data and system parameters.
- Fault Code Diagnosis: Simulating a fault (e.g., disconnecting an engine sensor) to test the scanner’s ability to identify and report error codes accurately.
- Functionality and Features: Testing all advertised features, such as I/M readiness checks, advanced diagnostics, and special functions.
- User Experience: Evaluating ease of setup, navigation, interface intuitiveness, and overall user-friendliness.
Through this rigorous testing process, we aim to provide comprehensive and unbiased reviews to help you choose the best OBD2 scanner for your needs.
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Conclusion: Choosing the Right OBD2 Scanner Brand for Your Needs
Investing in an OBD2 scanner is a smart decision for any car owner. It empowers you to understand your vehicle’s health, diagnose problems early, and potentially save money on costly mechanic visits. When choosing an OBD2 scanner, focusing on reputable OBD2 scanner brands is essential. Brands like Topdon, Launch, Ancel, Carly, Innova, ThinkCar, and Autel each offer unique strengths and cater to different user needs and budgets.
Whether you prioritize professional-grade features (Topdon, Autel), exceptional value (Launch), app integration (Carly), or dual-purpose functionality (Ancel), understanding the strengths of different OBD2 scanner brands will guide you to the perfect tool. By considering your budget, desired features, and the reputation of the OBD2 scanner brand, you can confidently select a scanner that will serve you well for years to come, keeping you informed and in control of your car’s maintenance.
