Navigating the market for reliable professional OBD software for your PC or laptop can be time-consuming. The influx of automotive scan tools, many prioritizing profit over features, makes it challenging to find truly valuable diagnostic solutions.
As experts at obd-de.com with extensive experience in automotive repair, we felt it necessary to highlight established leaders in OBD2 diagnostics. The companies featured below have demonstrated long-standing expertise in OBD2 technology.
To the untrained eye, the subtle distinctions between different OBD reader kits might be overlooked. However, years in the vehicle workshop allow us to quickly differentiate between a basic “check-engine-light reader” and OBD-2 software trusted by experienced automotive technicians. This review focuses on the latter, specifically OBD2 software for PC.
We’ve consciously excluded mobile apps from this list. Our reservations stem from two key factors: (1) the transient nature of many OBD apps due to intense market competition, and (2) the fact that most are developed by freelancers rather than established car manufacturers.
In contrast, OBD-II software for PCs has been a reliable diagnostic tool since the early 1990s, predating the more recent emergence of OBD mobile applications.
A crucial point often missed by consumers is that many popular smartphone OBD2 apps offer reduced functionality, often compensated for by visually appealing but superficial interfaces (GUI). This is a primary reason for our preference for dedicated PC-based solutions.
Having rigorously tested and utilized a wide range of car software over the past decade, we present our selection of 7 noteworthy OBD2 diagnostic software packages…
Ultimately, the best choice depends on your individual needs and informed judgment. We strongly recommend visiting each software provider’s website to assess their credibility and choose the software that best aligns with your specific automotive diagnostic requirements.
To optimize reading time, we’ve summarized each review in bullet points.
General Principle: While all OBD2 software shares the fundamental function of diagnosing and reporting vehicle faults, the key differentiator lies in the quantity of fault codes detected. Some are more comprehensive than others.
Do-it-yourself OBD-2 diagnostics empowers car owners to approach vehicle issues with a mechanic’s insight. However, it’s critical to remember that identifying malfunctions is only the first step. Actual repairs of damaged components should always be carried out, not simply dismissed by clearing error codes within the software.
Common Features of the Reviewed OBD Car Scanner Software:
- Premium Solutions: These are not free OBD software options. For free OBD2 software (compatible with ELM327 scan tools), we recommend EasyOBD. It represents the best “free” option available.
- Windows-Centric Industry: The automotive diagnostic industry predominantly targets Windows operating systems. Fortunately, we’ve identified and reviewed two excellent OBD2 software options for macOS users.
Alt text: OBD2 software for macOS compatibility icon displayed next to text “OBD2 software for MAC”
- Expert-Based Reviews: Our reviews are grounded in extensive technical and mechanical expertise, totaling 60 years of combined experience. We’ve strived for unbiased evaluations, focusing on objective critique and assessment.
- ELM327 Compatibility: All reviewed software supports ELM327 OBD2 interfaces across Bluetooth, WIFI, and USB connections. ELM327 installation guides are accessible here.
- Unidirectional Operation: None of the featured software offers bidirectional control. Bidirectional functionality requires high-end OEM scan tools, typically priced at $1000+. For in-depth reports on professional-grade OBD2 scanners or code readers, search “obd2 scanner” on our blog.
A Brief Introduction to Scanners, Code Readers, and Diagnostic Tools:
The evolution of automotive engineering since Karl Benz’s invention of the first gasoline-powered automobile in 1885 is remarkable. Cars have transitioned from basic transportation to sophisticated, high-performance vehicles.
In the pre-digital era, cars were simpler machines, easier to diagnose and repair. Today, vehicles are equipped with advanced technology, from climate control and navigation systems to autopilot features.
This technological advancement has made modern automobiles increasingly intelligent. Cars now gather data to optimize routes, adjust vehicle fluids based on driving conditions, and, importantly, detect engine malfunctions.
Most vehicles on the road today feature an on-board diagnostics (OBD2) port. This port provides access to data from the engine control unit (ECU). By accessing this data, technicians can pinpoint vehicle problems and determine necessary maintenance.
Alt text: Image depicting a hand connecting an ELM327 adapter to a car’s OBD2 port, illustrating the first step in using OBD2 PC software for vehicle diagnostics.
Simple 3-Step OBD2 Diagnostics: Step 1: Connect the ELM327 adapter to your car’s OBD port. Step 2: Install the ELM327 drivers on your PC. Step 3: Launch your OBD2 software and click “Connect.” Diagnostic access is that straightforward!
Accessing ECU data requires a computer and specialized software to interface with the OBD port. This need has driven automotive companies to develop OBD software for laptops and PCs, empowering end-users to access and interpret their vehicle’s ECU data.
Typically, an OBD diagnostic product includes two components: the hardware interface (cable/adapter) and the OBD-2 software itself. The hardware connects the ECU to the computer.
The PC OBD software then reads and analyzes the data, presenting it in a user-friendly format. The primary objective is to facilitate vehicle maintenance and extend vehicle lifespan.
Below, we present seven distinct diagnostic software solutions from different developers, which we consider the top choices currently available for your Windows or Mac laptop/PC.
(Disclaimer: None of the links provided are affiliate links. Total Car Diagnostics has no financial interest in these recommendations. This is an unbiased review of scanners we believe are genuinely helpful for your diagnostic needs.)
TOAD PRO
Alt text: TOAD PRO OBD2 PC software package box, highlighting its comprehensive auto diagnostics capabilities for PC users.
TOAD (Total OBD & ECU Auto Diagnostics)® is a powerful, comprehensive, and “car-manufacturer-approved” OBD software for PC. It performs in-depth vehicle health checks, diagnosing over 15,000 common issues. For advanced users, it includes ECU remapping software for performance tuning and fuel economy optimization.
Typically used by established car repair shops, manufacturers, and mechanics, TOAD makes this professional-grade software accessible to the public.
Its key strengths include broad vehicle compatibility and live data monitoring with customizable visual graphs.
TOAD is suitable for both DIY car owners seeking to save on repair costs and professional mechanics requiring cutting-edge diagnostic and analysis tools.
Used by law enforcement, dealerships, car enthusiasts, and manufacturers in approximately 80 countries, TOAD is a globally recognized Obd2 Pc Software solution.
TOAD PRO Benefits:
- Check Engine Light Diagnostics: Provides detailed descriptions of engine problems, enabling informed repairs.
- Extended Fault Code Detection: Identifies “extra” OBD fault codes often missed by standard scanners.
- Cost Savings on Repairs: Pinpoints faulty components, allowing for cost-effective part sourcing and mechanic negotiations.
- Vehicle Performance Tuning: Includes ECU remapping capabilities for performance optimization and fuel efficiency (refer to: Optimize / Tune Cars Performance).
- Touchscreen Optimized: Ideal for devices like Surface Pro, enhancing usability.
- Fuel Efficiency Improvement: Helps optimize fuel consumption.
- Extended Engine Lifespan: Contributes to proactive maintenance and engine health.
- Real-time Vehicle Data: Provides live insights into vehicle operation.
- DIY Repair Assistance: Empowers users to diagnose and address car issues, reducing repair expenses.
- Peace of Mind: Ensures vehicle health and reliable operation.
- Real-time Data Visualization: Displays data in tabular and graphical formats.
Learn more at the TOAD website…
AutoEnginuity’s ScanTool
Alt text: AutoEnginuity ScanTool OBD2 software interface on a laptop screen, showcasing its diagnostic capabilities for various car brands.
AutoEnginuity’s ScanTool stands out with brand-specific diagnostic options for manufacturers like BMW, Ford, GM, Chrysler, Nissan, Hyundai, Kia, Land Rover, Jaguar, Honda, and Porsche, among others. This versatile OBD2 PC software is compatible with both Windows and iOS systems.
ScanTool enables users to quickly assess trouble shooting codes, vehicle sensors, and IM240 data to determine necessary services. Its depth of coverage is a significant advantage.
The software accesses systems including ABS, airbag, transmission, instrument cluster, and more, offering online data, bi-directional controls, adaptive resets, and system tests.
The primary drawback is its higher price point, positioning it more towards professional workshops servicing a high volume of vehicles and requiring OEM-level bi-directional functions.
AutoEnginuity ScanTool Benefits:
- Data Logging: Data can be logged in XML format for browsers and CSV for spreadsheet applications.
- Customizable Sensor Data: Users can adjust data display parameters such as sampling rate, ranges, units, and scaling.
- User-Friendly Data Presentation: Presents data in a clear and understandable format, rather than raw data streams.
Learn more at the AutoEnginuity website…
PCMScan
Alt text: PCMScan OBD2 diagnostic software interface displaying vehicle data and diagnostic information on a PC.
PCMScan is a comprehensive, generic OBD-II automotive diagnostic software package compatible with a wide range of OBD hardware interfaces. This Windows OBD2 software provides real-time visual charting, data logging, viewing, and playback. It also supports viewing Diagnostic Trouble Codes (DTCs), Freeze Frame data, and other vehicle information. PCMScan supports US, Asian, and European vehicles manufactured post-1996.
However, a notable downside of this once-leading OBD2 software for Windows is that it has not been updated in over 7 years. This means it lacks at least 500+ new PIDs (sensor data) incorporated into more current applications. This suggests either discontinued development or a shift in focus by the developers.
PCMScan Benefits:
- Customizable Dashboard: Users can personalize the dashboard layout to their preferences.
- Dyno and Drag Features: Includes performance measurement tools.
- Data Logging: Records diagnostic data for later analysis.
- DTC Reading and Clearing: Reads stored and pending Diagnostic Trouble Codes and clears the Check Engine Light.
- Freeze Frame Data: Reads and clears stored Freeze Frame data.
- Extensive Trouble Code Definitions: Supports thousands of vehicle trouble code definitions.
Worthy Features Tested:
- Printing and Print Preview: Full printing support for all views, including dashboards.
- OBD-II Terminal: Allows users with OBD-II protocol knowledge to send custom commands to the vehicle.
- Javascripting Support: Built-in Javascript support for custom calculations on OBD-II parameters and data.
- Configurable Alerts System: Allows users to set up alerts for specific parameters, triggering sounds or bookmarks in logged data when conditions are met.
- Unit Measurement Systems: Supports both English and Metric (SI) units.
- CSV Data Export: Customizable log file export to .CSV format for easy analysis in programs like Excel.
- Real-time Stamps: Exports data with real-time stamps for correlation with external data logs.
- PID Priority Assignment: Allows assigning priorities to PIDs to optimize data capture rates.
- Interface Compatibility: Supports Autotap, VIA, Multiplex Engineering, ELM320, ELM322, ELM323, ELM327, and SAE-J2534 compliant OBD-II interfaces.
Learn more at the PCMScan website…
ProScan
Alt text: ProScan OBD2 software screenshots showcasing its user-friendly interface and diagnostic report generation features on a Windows PC.
Total Car Diagnostics acquired ProScan in 2015. This OBD2 software for PC has been enhanced for 2024 and beyond, incorporating the ability to read the latest sensor data to accommodate advancements in vehicle technology and sensors. ProScan is now included in the TOAD LITE package.
ProScan is recognized as one of the most user-friendly Windows OBD2 software options. With a history dating back to 2003, its strengths are consistent stability and development rooted in deep knowledge of automotive protocols, sensors, and PIDs. It is compatible with any standard ELM327 hardware.
A standout feature of ProScan, less prominent in other software, is its accurate 0-60mph (100km/h) timing performance measurement. This allows for live, precise measurement of speed and torque gains after ECU parameter adjustments or modifications, ideal for performance testing.
ProScan Benefits:
- Fuel Economy Adjustment: Allows for fuel economy optimization based on driving habits.
- Vehicle Connection Manager: Features a user-friendly interface upon program launch.
- Freeze Frame Data Display: Monitors data from previous time periods.
- Oxygen Sensor Tests: Displays oxygen sensor test results, pinpointing malfunctioning sensors.
- One-Button Diagnostic Report Generator: Simplifies report creation.
- Readiness Monitor Status: Shows vehicle emissions conformance status.
- Oxygen Sensor Location: Displays the number and location of oxygen sensors.
- Oxygen Sensor Functionality Test: Verifies oxygen sensor operation.
- Data Recording and Playback: Records and replays diagnostic data.
- Instantaneous Fuel Efficiency Calculation: Calculates real-time MPG/liters per km for MAF-based vehicles.
- Trip Cost Calculation: Calculates real-time trip cost based on distance and fuel efficiency.
- Performance Statistics: Calculates 0-60 mph, 1/4 mile time, trap speed, 1/8 mile, etc.
- Horsepower and Torque Estimation: Estimates horsepower and torque curves and generates dyno charts.
- Printable Diagnostic Reports: Generates reports for vehicle diagnostics.
- Unit Conversion: Converts between English and metric units.
Learn more at the ProScan website…
OBD Auto Doctor
Alt text: OBD Auto Doctor software interface on a laptop, highlighting its clean design and comprehensive OBD2 diagnostic functionalities.
OBD II Auto Doctor is a sophisticated and well-designed OBD2 car diagnostic tool. We consider it the best OBD software for the macOS platform. This software allows users to check and reset codes and directly communicate with the vehicle’s OBD2 system.
While highly capable, it might be considered “advanced” for casual car owners. For a simpler yet reliable “repair-shop” grade option, consider Movi software (reviewed below).
Overall, OBD II Auto Doctor is exceptionally resourceful in terms of data extraction, making it an ideal tool for car enthusiasts seeking a deep understanding of their vehicles.
OBD II Auto Doctor Benefits:
- DTCs, Freeze Frame, MIL: Supports reading and managing DTCs, freeze frame data, and the Malfunction Indicator Light (MIL).
- Fuel Emission and Consumption Data: Provides insights into fuel emissions and consumption.
- Real-time OBD2 Indicators: Displays real-time OBD2 data.
- Numerical and Graphical Data Views: Offers interchangeable numerical and graphical data representations.
- Data Sharing via Email: Allows data sharing via email.
- VIN and Calibration ID Reading: Reads Vehicle Identification Number (VIN) and ECU calibration ID.
- Extensive DTC Database: Includes a built-in database of over 14,000 alarm codes.
Learn more at the OBD II Auto Doctor website…
Movi and Movi Pro
Alt text: Movi OBD2 software application for macOS, showing a user-friendly interface for vehicle diagnostics on a Mac.
Movi / Movi Pro excels at reading data from a vehicle’s engine control module (ECM) with a straightforward setup on macOS. For users prioritizing simplicity and reliable fault code retrieval with precise live PID parameter reports, this Mac OBD2 software is an excellent choice. We find it more intuitive and less complex than OBD II Auto Doctor.
The free version is sufficient for most car owners, but DTC fault code clearing is limited to the paid version.
Movi software can extract a vehicle’s complete historical fault record (DTCs) and clear the ‘check engine light’ while providing detailed trouble code information.
Movi and Movi Pro Benefits:
- Real-time Data Display: Provides live engine data for diagnosing failures.
- DTC Management: Reads and clears DTCs.
- Freeze Frame Data Access: Views and clears freeze frame data.
- Fuel Consumption Monitoring: Tracks fuel consumption and economy.
- Virtual Horsepower and Torque Monitoring: Monitors virtual horsepower and torque.
- Simultaneous Data Graphing: Graphs up to 4 engine indicators concurrently.
Learn more at the Movi website…
EOBD Facile
Alt text: EOBD Facile OBD2 software on a Mac laptop, displaying a simple and easy-to-use interface for car diagnostics.
EOBD Facile OBD software for Mac offers a simple and easy setup for connecting a car to a computer via an ELM327 interface. Available in the App Store, it is comparable to Movi in terms of user-friendliness. The choice often comes down to personal preference regarding the GUI.
Once connected, users can diagnose issues, view real-time results, access vehicle information, and monitor car sensor data.
EOBD Facile Benefits:
- Check Engine Light Clearing: Clears the check engine light.
- Engine Code Diagnostics: Displays engine codes and their descriptions.
- Manufacturer Error Code Monitoring: Monitors manufacturer-specific error codes.
- GPS Data Logging: Maintains a backlog of GPS data records.
Learn more at the EOBD Facile website…
When selecting car diagnostic software, consider your specific needs. Some users may prioritize advanced functions like real-time data monitoring, while others may only require basic engine health and safety checks.
This concludes our expert review of the best OBD2 software. We hope our years of experience with various car diagnostic tools helps you make an informed decision.
7 Best OBD2 Software in 2024 and Beyond: Reviewed and Tested
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