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What is the best free diagnostic software for cars?

When it comes to maintaining and troubleshooting your vehicle, having the right diagnostic software can make all the difference. Fortunately, there are several free options available that can help you identify and address issues with your car. In this article, we'll explore the best free diagnostic software for cars and how they can benefit vehicle owners.


What is Diagnostic Software for Cars?


Diagnostic software for cars is a tool that allows you to connect your vehicle to a computer or mobile device and access information about its various systems. This includes things like engine performance, emissions, and any error codes that may be present. By using this software, you can diagnose problems, clear trouble codes, and even perform basic maintenance tasks without having to take your car to a mechanic.


The Best Free Diagnostic Software for Cars



  • Torque Pro - This popular Android app allows you to connect your car to your smartphone or tablet via Bluetooth or a wired OBD-II adapter. It provides a wide range of diagnostic information, including live data, trouble codes, and the ability to clear codes.

  • Carista OBD2 - Available for both iOS and Android, Carista OBD2 is a comprehensive diagnostic tool that can read and clear trouble codes, as well as provide access to advanced features like coding and programming.

  • Scanmatic - This free Windows software can be used with a variety of OBD-II adapters to diagnose issues, clear codes, and even perform basic maintenance tasks like oil resets.

  • OBD Fusion - Another iOS and Android app, OBD Fusion offers a user-friendly interface and a wide range of diagnostic capabilities, including the ability to view live data, clear codes, and even customize your vehicle's settings.


These are just a few of the many free diagnostic software options available for car owners. Each of these tools has its own unique features and capabilities, so it's worth exploring a few to find the one that best fits your needs.


Benefits of Using Free Diagnostic Software


Using free diagnostic software for your car can provide several benefits, including:



  • Cost savings - Avoiding the need to take your car to a mechanic for diagnostic services can save you a significant amount of money.

  • Convenience - With the right software and an OBD-II adapter, you can diagnose and address issues from the comfort of your own home.

  • Increased understanding - By using diagnostic software, you can gain a better understanding of how your car's systems work and how to maintain them effectively.

  • Improved maintenance - Catching and addressing issues early can help prevent more serious and costly problems down the line.


Overall, free diagnostic software for cars is a valuable tool that can save you time, money, and hassle when it comes to maintaining your vehicle. Whether you're a seasoned mechanic or a DIY enthusiast, these tools can be a game-changer in keeping your car running smoothly.

Is there a computer program to read car codes?


OBD2 diagnostic software communicates with the car and reads the diagnostic information from the vehicle.



What diagnostic tool do mechanics use?


OBD-II scanner
A1: An OBD-II scanner, including beginners, is the most essential diagnostic tool for any mechanic. It provides a fundamental understanding of your vehicle's health and helps identify common problems.



Can I use my phone as a car diagnostic tool?


OBD Fusion® is an app for iPhone, iPad, iPod Touch, and Android that allows you to read diagnostic data from your vehicle. You can create virtual dashboards showing multiple vehicle sensors, estimate fuel economy, read diagnostic trouble codes, and turn off your check engine light.



Does anyone do free diagnostics on cars?


Pep Boys offers a free Check Engine Light Code Retrieval Service to provide the answers you need to help you find a solution. Pep Boys will ensure you are getting the best handling out of your vehicle with a free alignment check.



What is the difference between an OBD2 reader and an OBD2 scanner?


There's a big difference between basic code readers and full-fledged scanners in that scanners can access enhanced OEM (Original Equipment Manufacturer) codes that are manufacturer-specific. These scanners don't use the standard OBD-II protocol to communicate with the car's modules.



Does Carly need a subscription?


Similar to Netflix or Spotify, Carly lets you choose a car online and pay a recurring subscription fee instead of buying a car for cash or committing to long term finance. Carly gives you the flexibility to start your subscription when you want and end the subscription when it suits you (just give us 30 days notice).



Is there an app that can diagnose car problems?


Car Trouble” helps to diagnose the problems by taking you through a series of troubleshooting questions after you notice a problem with your car. The app has six main categories; overheating issues, strange noises, electrical issues, brake or steering problems and trouble starting your vehicle.



Where can I read car codes for free?


If you are near an O'Reilly Auto Parts location and your Check Engine light is on, our trusted parts professionals can scan and read your illuminated Check Engine light for free with our exclusive O'Reilly VeriScan™ code reading service.



What is the best free vehicle diagnostic software?


We settled for Car Scanner (free for iOS and Android, with in-app purchases), but other well-rated options include OBD Auto Doctor (free to download, with in-app purchases), Infocar (free for iOS and Android), ODB Mary and OBD Arny (both free, Android, with in-app purchases.



Can I do my own car diagnostics?


As explained above, the car diagnostic test is not as mysterious as you might think, and it's totally ok for you to do it yourself. You don't have to be an experienced mechanic before starting checking your vehicle: you can start it with little knowledge and you can also save a lot of time and money.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.