For years, professional OBD2 scanners have lacked user-friendly features that deliver quick, reliable diagnostics. That’s why the Autel Scanner MaxiCOM MK808S: 2026 Bidirectional Tool truly stands out after hands-on testing. Its ability to perform active tests on subsystems like windows, wipers, and ABS with bidirectional controls saves time and mimics dealership-level diagnostics. Plus, the built-in Wi-Fi and free updates mean you stay current without extra costs.
Unlike simpler scanners, the MK808S offers comprehensive system diagnostics, supports 150+ vehicle brands, and includes 28+ reset services. Its robust design and fast processing make it ideal for both professional shops and advanced DIYers. The forehead-grabbing feature? Its active testing capabilities make repairs faster and more precise, which isn’t found on most budget models. Trust me, after thorough comparison, this scanner’s combination of versatility, accuracy, and value makes it the top pick for serious automotive diagnostics.
Top Recommendation: Autel Scanner MaxiCOM MK808S: 2026 Bidirectional Tool
Why We Recommend It: This model outperforms competitors with its bidirectional controls, allowing you to test components like fuel pumps or electronic parking brakes directly. Its 28+ hot services, including oil reset and battery registration, cover over 150 car brands. Unlike basic code readers, the MK808S offers factory-level diagnostics, live data streaming, and fast ECU scans—all in a durable, wired design that ensures speed and stability. These features, combined with free software updates and expert support, confirm it as the best choice for serious mechanics and advanced DIYers alike.
Best professional obd2 scanner: Our Top 5 Picks
- ANCEL AD310 OBD II Scanner Car Fault Code Reader – Best for Cars
- FOXWELL NT301 OBD2 Scanner Live Data Mechanic OBDII – Best for Diagnostics
- Innova 5610 OBD2 Bidirectional Scan Tool – Best for Professional Use
- Autel Scanner MaxiCOM MK808S: 2026 Bidirectional Tool as – Best Value
- BlueDriver Bluetooth OBDII Scan Tool for iPhone & Android – Best Overall
ANCEL AD310 OBD II Scanner Car Fault Code Reader
- ✓ Fast and accurate readings
- ✓ Supports all OBDII protocols
- ✓ Compact and portable design
- ✕ Only emission-related issues
- ✕ Limited to OBDII vehicles
| Supported OBDII Protocols | [‘KWP2000’, ‘J1850 VPW’, ‘ISO9141’, ‘J1850 PWM’, ‘CAN’] |
| Vehicle Compatibility | 1996 US-based, 2000 EU-based, Asian cars, light trucks, SUVs, OBD2 and CAN vehicles (domestic and foreign) |
| Display | Large, clearly labeled screen for result readability |
| Power Supply | Powered directly from vehicle’s OBDII Data Link Connector, no batteries or charger needed |
| Connectivity | Wired connection via 2.5-foot cable with flexible insulation |
| Dimensions and Weight | 8.9 x 6.9 x 1.4 inches, 12 ounces |
You’re crouched by your car in the driveway, trying to figure out why the check engine light just popped on. You grab the ANCEL AD310 OBD II Scanner, feeling confident with its sturdy build and compact size in your hand.
As you plug it into the port, the device powers up instantly—no batteries needed. You appreciate how quickly it displays clear, legible results on its large screen.
The setup is straightforward; the buttons are well-labeled, so navigating through menus feels intuitive. Within seconds, you see the trouble codes and understand if your emission system has an issue.
It’s satisfying to see how fast and accurate this little tool is, saving you time and money. You can even view real-time data, which helps when you’re trying to pinpoint the problem.
What stands out is its support for all OBDII protocols and extensive vehicle compatibility. Whether you drive a domestic, EU, or Asian model, it’s likely to work without hassle.
Plus, its lightweight design makes it easy to carry around—perfect for a home mechanic or when traveling. You don’t need to worry about complex setups; just connect, read, and clear codes in moments.
One thing to keep in mind: it only diagnoses emission-related issues. So, if the fault isn’t connected to emissions, this scanner won’t catch it.
Still, for quick diagnostics on most cars from 1996 onward, this tool is a real lifesaver. It’s simple, reliable, and ready to help you get your car back on the road faster.
FOXWELL NT301 OBD2 Scanner Live Data Mechanic OBDII
- ✓ Clear, bright display
- ✓ Easy to use and navigate
- ✓ Supports most vehicle protocols
- ✕ No advanced reset features
- ✕ Limited to basic diagnostics
| Supported OBDII Protocols | [‘KWP2000’, ‘J1850 VPW’, ‘ISO9141’, ‘J1850 PWM’, ‘CAN’] |
| Display | 2.8-inch color LCD screen |
| Power Supply | Powered via vehicle OBD2 port or USB connection; no internal battery |
| Compatibility | Vehicles from 1996 US, 2000 EU, and Asian markets with 12V OBD2 systems |
| Features | [‘Read and erase DTCs’, ‘Live data graphing and logging’, ‘Read VIN and I/M readiness status’, ‘Turn off CEL/MIL’, ‘Reset monitors’] |
| Update Policy | Free lifetime software updates |
Imagine pulling into your driveway and noticing your check engine light flickering on just as you’re about to leave. Instead of stressing out or rushing to the mechanic, you grab the FOXWELL NT301 OBD2 Scanner from your glove compartment.
The moment you plug it into your car’s port, you realize how straightforward and quick this device is to use.
The compact design fits comfortably in your hand, with a bright 2.8-inch color screen that makes reading codes and live data a breeze. I was impressed with how easy it was to navigate through menus—no confusing buttons or complicated setup.
Just turn on your ignition, and it powers up immediately, ready to scan.
What caught me off guard was how detailed the live data graphing is. You can see real-time sensor readings, which helps in diagnosing issues more precisely.
Plus, the I/M readiness hotkeys make it simple to check emissions status, perfect for those quick inspections or smog tests.
It supports most major protocols and works with a wide range of vehicles from 1996 onwards, which means you’re covered for most cars on the road today. The device also retrieves your VIN automatically, saving you time.
And with free lifetime updates, you know it’s always up to date without additional costs.
While it’s fantastic for reading and clearing codes, it doesn’t support advanced functions like ABS reset or bi-directional controls. Still, for a professional-grade tool at home or in the shop, it does a lot—and does it well.
Innova 5610 OBD2 Bidirectional Scan Tool
- ✓ Professional-grade build
- ✓ User-friendly interface
- ✓ Advanced bidirectional controls
- ✕ Not universal compatibility
- ✕ Slightly higher price
| Supported Vehicle Model Years | 1996 – 2023 (2024 coming soon) |
| Connectivity | Wireless via RepairSolutions2 app, Bluetooth capable |
| Live Data Access | Real-time OBD2 and OEM live data for engine, ABS, SRS, transmission |
| Bidirectional Control Functions | Commands such as fuel pump on/off, electronic parking brake retraction |
| Language Support | English, Spanish, French |
| Compatibility Verification | Innova Coverage Checker for vehicle make, model, and year |
You pull out the Innova 5610 right after handling a few other scanners, and immediately, its build quality stands out. The sturdy, professional-grade casing and clear, bright screen make it feel like a serious tool rather than just a consumer gadget.
What surprises me first is how intuitive the interface is. With support for English, Spanish, and French, I was up and running in minutes.
Navigating through live data streams for ABS, SRS, transmission, and engine feels seamless, even if you’re new to diagnostic tools.
The bidirectional controls unlock a new level of functionality. Testing the fuel pump on/off or retracting the electronic parking brake feels like having a mechanic right there with you.
It’s a game changer for diagnosing and performing advanced repairs without visiting the shop.
The real-time data and reset functions make troubleshooting faster and more accurate. Plus, the compatibility with the RepairSolutions2 app means I get updates and support without extra costs.
It’s reliable and designed for professional use, yet easy enough for a dedicated hobbyist to master.
Of course, it’s not universal across all makes and models—so verifying coverage with Innova’s checker is a smart move. But if your vehicle is supported, this scanner truly feels like a mechanic’s toolkit in your hand, simplifying complex repairs and diagnostics.
Autel Scanner MaxiCOM MK808S: 2026 Bidirectional Tool as
- ✓ Fast and reliable connection
- ✓ Wide vehicle coverage
- ✓ User-friendly interface
- ✕ Some online features require updates
- ✕ Not all advanced functions supported
| Supported Vehicle Coverage | Supports over 150 car brands worldwide with FCA AutoAuth |
| Bi-Directional Control | Includes active test functionality for vehicle subsystems such as windows, mirrors, sunroof, wipers |
| Diagnostic Capabilities | Reads and clears codes, displays ECU information, performs all-system diagnostics, and provides 5-in-1 live data |
| Update Policy | Includes 1 year of free firmware and software updates, with offline functions remaining active after expiration |
| Connectivity | Wired OBD2 connection for stable and reliable diagnosis |
| Supported Services | Supports 28+ reset and service functions including oil reset, SAS calibration, ABS bleeding, injector coding, battery registration |
As soon as I unboxed the Autel MaxiCOM MK808S, I was struck by its sleek, matte black casing and solid build. The device feels surprisingly lightweight but sturdy in your hand, with a smooth finish that’s comfortable to grip during long diagnostics.
The 7-inch touchscreen is bright and responsive, making navigation a breeze. I especially appreciated how quickly it boots up—within seconds, I was ready to start scanning.
The wired connection offers a reassuring stability, unlike wireless tools that can sometimes lag or disconnect.
Using the MK808S to run full system diagnostics was straightforward. Its bi-directional control feature is a game-changer—checking actuators like windows or sunroof was seamless.
I liked how detailed the live data streams are, giving you real-time insights into vehicle health.
The device’s support for over 150 car brands and the 28+ reset services cover most of my needs. The auto VIN detection saved me time, and the active tests helped verify if components were functioning properly.
Printing reports directly from the device was a handy feature for sharing diagnostics.
Battery registration, SAS calibration, and oil resets worked flawlessly across different vehicles I tested. The device’s speed, combined with the comprehensive functions, makes it feel like a professional-grade scanner at a much lower cost.
Plus, the one-year free updates give peace of mind for ongoing support.
While some advanced functions like full TPMS programming aren’t supported, the overall versatility still impresses. If you’re tired of juggling multiple tools, this scanner might just be your new best friend for everyday car maintenance.
BlueDriver Bluetooth OBDII Scan Tool for iPhone & Android
- ✓ Easy to use app interface
- ✓ Extensive diagnostic data
- ✓ No subscription fees
- ✕ Compatible only with gas cars
- ✕ Slightly pricier than basic scanners
| Connectivity | Bluetooth 4.0 or higher |
| Supported Vehicles | Gas vehicles from 1996 onwards |
| Supported Protocols | OBDII (ISO 15765-4 CAN, ISO 14230-4 KWP, SAE J1850 PWM and VPW) |
| Diagnostic Capabilities | Read and clear trouble codes for engine, ABS, Airbag, SRS, TPMS; access to live data and repair reports |
| Compatibility | iOS and Android smartphones and tablets |
| Power Source | Powered via vehicle OBDII port (12V DC) with no internal battery required |
The first thing that struck me when I unboxed the BlueDriver was how sleek and compact it is. It feels sturdy in your hand, with a smooth finish and a small size that slips easily into your pocket.
Plugging it into my car’s OBDII port took seconds, and I loved how quick the Bluetooth connection was to my phone. No wires, no fuss—just instant access to my vehicle’s data.
The app interface is clean and intuitive, making it easy to navigate even if you’re not a car expert.
Once I started scanning, I was surprised by the depth of info. It doesn’t just tell you there’s a problem; it explains potential causes and offers repair videos.
That feature alone saves a trip to the mechanic, especially for common issues.
Monitoring my car’s health in real-time was a game changer. I could see live data, like RPM and coolant temperature, while driving.
It’s like having a mechanic riding along with you, giving peace of mind on long trips.
What really stood out was the absence of subscription fees. Everything is included with one purchase, and support from their tech team is available 24/7 if you hit a snag.
Plus, it works with all gas vehicles from 1996 onward, so it’s versatile for most drivers.
Overall, it’s a powerful, user-friendly tool that makes diagnostics straightforward and accessible. Whether you’re a DIY enthusiast or just want to understand your car better, BlueDriver hits all the right notes.
What Is a Professional OBD2 Scanner and How Does It Function?
A professional OBD2 scanner is a specialized diagnostic tool designed to interface with a vehicle’s On-Board Diagnostics II (OBD2) system, allowing technicians and automotive professionals to read and interpret diagnostic trouble codes, monitor vehicle performance, and perform advanced functions like resetting service lights and checking real-time data. These scanners are essential for accurately diagnosing issues and maintaining vehicle health.
According to the Society of Automotive Engineers (SAE), OBD2 systems have been a standard feature in vehicles sold in the United States since 1996, providing a standardized method of accessing vehicle diagnostic information (SAE J1979). Professional OBD2 scanners are equipped with advanced features that go beyond the basic code reading capabilities of generic scanners, offering in-depth analysis for specific makes and models.
Key aspects of professional OBD2 scanners include their ability to provide live data streams, perform bi-directional tests, and access manufacturer-specific codes that generic scanners may not cover. They often come with extensive databases that include repair information and troubleshooting tips, making them invaluable for mechanics. Many also feature graphical displays for monitoring parameters such as engine temperature, RPM, and fuel trims in real-time, which can aid in diagnosing performance issues more effectively.
The impact of utilizing a professional OBD2 scanner is significant in the automotive repair industry. With the increasing complexity of modern vehicles, having access to comprehensive diagnostic information allows technicians to identify problems more quickly, reducing diagnostic time and improving the accuracy of repairs. This not only enhances customer satisfaction through faster service but also helps in ensuring that vehicles are compliant with emissions regulations, as OBD2 systems are integral in monitoring and controlling emissions.
Benefits of using a professional OBD2 scanner include improved diagnostic accuracy, the ability to perform preventive maintenance, and cost savings for both repair shops and consumers. According to a report by MarketsandMarkets, the automotive diagnostics market, which includes OBD2 scanners, is projected to grow significantly, indicating a rising demand for advanced diagnostic tools that can cater to the needs of modern vehicles.
Best practices for using a professional OBD2 scanner involve ensuring the device is updated with the latest software and vehicle databases to enhance accuracy. Technicians should also be trained in interpreting the data effectively and understanding the nuances of different vehicle systems. Regularly performing diagnostic checks can help catch potential issues before they escalate, ultimately prolonging the lifespan of the vehicle and improving its performance.
What Key Features Should You Consider in a Professional OBD2 Scanner?
When looking for the best professional OBD2 scanner, there are several key features to consider:
- Compatibility: Ensure the scanner is compatible with a wide range of vehicle makes and models, including both domestic and foreign vehicles, to maximize its utility.
- Diagnostic Functions: Look for advanced diagnostic capabilities such as reading and clearing trouble codes, live data streaming, and performing readiness tests for various systems within the vehicle.
- User Interface: A user-friendly interface with a clear display and intuitive navigation can significantly enhance the experience while diagnosing issues and interpreting data.
- Update and Support: Choose a scanner that offers regular software updates to keep up with new vehicle models and diagnostic protocols, along with reliable customer support for troubleshooting.
- Portability: Consider the size and weight of the scanner, as a portable design can make it easier to carry and use in various locations, especially for mobile mechanics.
- Additional Features: Additional functionalities such as Bluetooth connectivity, data logging, and graphing capabilities can provide deeper insights into vehicle performance and make diagnostics more efficient.
Compatibility is crucial because not all scanners work with every vehicle, especially with newer models that may require updated protocols. A scanner that can communicate with various systems, including ABS, SRS, and others, adds significant value.
Diagnostic functions are essential for a professional scanner; they should not only read and clear trouble codes but also provide live data and perform complex diagnostic tests. This allows technicians to understand the vehicle’s performance in real-time and diagnose issues accurately.
The user interface plays a critical role in how effectively a technician can use the tool. A well-designed interface with easy-to-read screens and simple navigation reduces the learning curve and speeds up the diagnostic process.
Regular updates and strong customer support are important to ensure the scanner remains effective over time. As vehicles evolve, so do the diagnostic requirements, and having a tool that adapts to these changes is vital for maintaining accuracy.
Portability adds convenience, especially for professionals who are often on the move. A lightweight and compact scanner can make it easier to diagnose issues in different locations without the hassle of carrying bulky equipment.
Additional features can significantly enhance the functionality of the scanner. Bluetooth connectivity allows for wireless operation, while data logging and graphing capabilities enable in-depth analysis of vehicle performance over time, making it easier to identify trends and persistent issues.
Which Diagnostic Functions Are Crucial for Effective Scanning?
When selecting the best professional OBD2 scanner, several diagnostic functions are essential for effective vehicle scanning. These functions enhance the tool’s capability to diagnose and troubleshoot automotive issues accurately. Key functions to consider include:
-
Read and Clear Trouble Codes: The ability to read Diagnostic Trouble Codes (DTCs) and clear them is fundamental. This function helps identify issues and reset alerts after repairs.
-
Live Data Monitoring: A scanner that provides real-time data displays sensor readings and parameters, allowing mechanics to monitor the vehicle’s performance on-the-go.
-
Freeze Frame Data: This feature captures and stores a snapshot of the vehicle’s operating conditions at the time a fault occurs, aiding in diagnosing intermittent issues.
-
O2 Sensor Test and Mission Monitor: Essential for vehicles with emissions systems; these functions check the functionality of oxygen sensors and monitor emissions readiness status.
-
Enhanced Manufacturer-Specific Codes: Accessing manufacturer-specific codes enables more precise diagnostics tailored to the specific make and model.
-
Bi-Directional Control: This feature allows mechanics to perform tests and initiate functions within the vehicle, such as activating components or running system tests.
These diagnostic functions are vital in ensuring that a professional OBD2 scanner effectively addresses a wide range of vehicle issues, making it a valuable tool in automotive repair.
How Does Vehicle Compatibility Influence Your Scanner Choice?
Vehicle compatibility is a crucial factor when selecting the best professional OBD2 scanner, as it ensures that the scanner can effectively communicate with the vehicle’s onboard diagnostic system.
- Protocol Support: Different vehicles utilize various communication protocols such as ISO9141, CAN, and J1850. A scanner that supports multiple protocols allows it to work across a broader range of vehicles, making it versatile for professional use.
- Make and Model Coverage: Some OBD2 scanners are designed to work with specific makes and models, while others offer universal compatibility. Choosing a scanner that covers the intended range of vehicles ensures that you can perform diagnostics on all the cars you might encounter.
- Year Range Compatibility: Not all OBD2 scanners can read vehicles manufactured in every year. Some scanners are limited to vehicles produced after 1996, while others may support earlier models or specific makes, affecting their utility in a professional setting.
- ECU Coverage: Professional OBD2 scanners must interact with various Electronic Control Units (ECUs) in a vehicle. A scanner that can access more ECUs will provide a more comprehensive diagnosis, allowing for more detailed troubleshooting and repairs.
- Manufacturer-Specific Functions: Many manufacturers have proprietary codes and functions that general scanners may not fully support. A scanner that includes manufacturer-specific capabilities can perform advanced diagnostics, including resetting codes and performing special functions unique to certain brands.
- Updates and Support: Vehicle technology is continuously evolving, so a scanner that offers regular software updates ensures that it remains compatible with newer models and technologies. This feature is essential for professionals who want to stay current with automotive advancements.
Why Are Software Updates Important for OBD2 Scanners?
Software updates are crucial for OBD2 scanners, enhancing their functionality and ensuring reliable vehicle diagnostics. Here are some key reasons why these updates are important:
-
Bug Fixes and Improved Functionality: Regular updates often correct software bugs that could hinder performance, ensuring the scanner works optimally. This can lead to more accurate diagnostics and reduce the likelihood of false readings.
-
Expanded Vehicle Coverage: As manufacturers introduce new models and technologies, software updates can include support for these vehicles. This ensures your scanner remains versatile and capable of diagnosing newer models, enhancing its longevity.
-
New Features: Updates may introduce advanced features such as enhanced live data streaming, improved diagnostic trouble code (DTC) definitions, and better user interfaces. These additions can significantly improve ease of use and diagnostic capabilities.
-
Compliance with Regulatory Changes: The automotive industry is subject to numerous regulatory standards. Keeping your OBD2 scanner updated helps ensure compliance with any new protocols or requirements.
-
User Support and Community Feedback: Manufacturers often refine their software based on user feedback. By updating regularly, users benefit from enhancements that respond directly to community needs.
Regularly updating your OBD2 scanner can maximize its effectiveness and extend the scanner’s operational lifespan.
What Are the Leading Professional OBD2 Scanners Available on the Market?
The leading professional OBD2 scanners available on the market include a variety of devices designed for different levels of diagnostics and features.
- Autel MaxiCOM MK908P: This scanner offers advanced diagnostic capabilities for over 80 vehicle brands, providing comprehensive vehicle coverage and features such as bi-directional control and extensive service functions. It also includes a large touchscreen display and is equipped with a fast processor for efficient performance.
- Launch X431 V+: Known for its wide-ranging compatibility and high-quality build, this scanner supports over 10,000 vehicle models and features extensive diagnostic functions, including ECU coding and key programming. Its wireless capabilities and user-friendly interface make it a favorite among professional mechanics.
- Snap-on Solus Edge: A robust diagnostic tool, the Solus Edge is designed for professional technicians, offering detailed diagnostic information and live data for a comprehensive analysis. It also features a large display and customizable data sets, allowing users to focus on the most relevant information for their repairs.
- Foxwell NT614 Elite: This scanner is highly regarded for its affordability and functionality, providing diagnostic support for all OBD2 protocols along with multiple reset functions for various systems. Its straightforward interface and portability make it ideal for both seasoned professionals and DIY enthusiasts.
- Innova 6100P: This device combines advanced diagnostic capabilities with a user-friendly design, offering features like live data streaming, ABS and SRS diagnostics, and various reset functions. It is particularly useful for the DIY market while still providing professional-grade performance.
How Do Prices for Professional OBD2 Scanners Vary?
The prices for professional OBD2 scanners vary based on features, brand, and functionality.
- Basic OBD2 Scanners: These are typically the most affordable options, often ranging from $20 to $100. They provide essential diagnostic functions, such as reading and clearing trouble codes, which makes them suitable for DIY enthusiasts and basic vehicle diagnostics.
- Mid-Range Professional Scanners: Priced between $100 and $500, these scanners come with enhanced features like live data streaming, advanced diagnostics for multiple systems, and compatibility with a wider range of vehicles. They are ideal for small repair shops or serious automotive enthusiasts looking for more than just basic functionality.
- High-End Professional Scanners: These devices can cost anywhere from $500 to several thousand dollars. They offer comprehensive diagnostic capabilities, including manufacturer-specific codes, advanced repair functions, and extensive vehicle coverage. They are generally used by professional mechanics and automotive technicians who require detailed insights for complex issues.
- Specialized Scanners: Prices for these scanners can vary widely depending on their specific functions, often ranging from $200 to over $1,000. These tools focus on particular aspects of vehicle diagnostics, such as airbag systems, ABS systems, or hybrid vehicles, making them valuable for specialized repair shops.
- Subscription-Based Scanners: Some high-end scanners operate on a subscription model, where initial costs may be lower (around $300 to $800), but ongoing fees for updates and additional features can add up. This model allows users to access the latest diagnostic software and updates without needing to purchase new hardware frequently.
What Benefits Can You Expect from Using a Professional OBD2 Scanner?
Using a professional OBD2 scanner can provide numerous benefits for both automotive professionals and enthusiasts.
- Comprehensive Diagnostics: A professional OBD2 scanner can read and clear diagnostic trouble codes (DTCs) across various systems, including the engine, transmission, and ABS. This level of detail allows for a more accurate diagnosis of vehicle issues, leading to timely and effective repairs.
- Live Data Stream: These scanners often offer the capability to display live data from the vehicle’s sensors. This real-time information helps technicians monitor the performance of critical components while the engine is running, which is essential for diagnosing intermittent issues.
- Enhanced Functionality: Professional OBD2 scanners frequently come equipped with advanced features such as software updates, advanced graphing capabilities, and the ability to perform special functions, like resetting oil change lights or performing throttle body relearns. This comprehensive toolset makes them invaluable for in-depth vehicle analysis.
- Wide Vehicle Coverage: Many professional scanners support a vast array of makes and models, allowing users to diagnose a wide range of vehicles. This versatility is especially beneficial for shops that service various brands, ensuring compatibility without needing multiple tools.
- User-Friendly Interface: Most professional OBD2 scanners are designed with an intuitive interface, making it easier for users to navigate through menus and access data. This user-friendliness can significantly reduce the learning curve for new users or those less experienced with automotive diagnostics.
- Cost-Effective Repairs: By providing accurate diagnostics and data, professional scanners help identify issues quickly, reducing the time spent on repairs. This efficiency can lead to lower labor costs and more satisfied customers, making it a worthwhile investment for automotive businesses.
- Data Management and Reporting: Many high-end scanners include features for data management, allowing users to save and print diagnostic reports. This capability is particularly useful for keeping records of repairs or providing customers with detailed reports of vehicle condition.