7 Best OBD2 Software in 2018 and Beyond: Reviewed and Tested

7 Best OBD2 Software in 2018 and Beyond: Reviewed and Tested

Purpose of this article is to save you time researching reliable professional OBD software for your PC/laptop.

Basically we’ve done all the research for you (having used and tested them all extensively) – and will present our 7 top researched OBD2 diagnostic software.

Basically last judgement is on you. See their website, get a feel for it. And get one that makes sense to your unique automotive needs. For this reason, we’ve kept our reviews bullet point short.

There’s not much to say, as they’re all basically going to do the SAME thing end of the day, else we would’ve not mentioned them here.

What we can tell you about them all is:

  • These are not free OBD software. For free OBD2 software (for ELM327 scan tool), download EasyOBD. It’s the best “free” you’ll find anywhere.
  • Automotive industry generally only targets Windows check-engine-light-obd2-scanner-for-windows. There’s luckily two decent OBD2 software for MAC check-engine-light-obd2-scanner-for-macos we found and reviewed them below.
  • All reviews are based on totality of our technical and car mechanical expertise with combined experience of 60 years. We attempted to examine, critique and judge them in a unbiased manner.
  • All software supports ELM327 OBD2 Bluetooth, WIFI and USB interface. You can find ELM327 install instructions here.
  • None of these software are bidirectional. For bidirectional, you’ll need high-end OEM scan tool (which are usually in $1000+ range). Also you can search on our blog for “obd2 scanner” for other detailed reports of high-end workshop grade OBD2 scanners or code readers.

So let’s begin with brief intro guide about scanners / code readers / diagnostic tools…

Automotive engineering has come a long way since Karl Benz developed the first petrol or gasoline power automobile in 1885. What started off a form of transportation to solely move people from point A to point B has not turn into a luxurious, fast option to transport people from A to B.

Before the technological boom, cars were plain and simple and easy to fix. However, as we have advanced in all aspects, cars now are equipped with the most technological items that one can think of, from air conditioner, to navigation, to even autopilot.

With the technological advancement, automobiles are becoming increasingly smarter. Today’s cars can collect information navigating the best route available, to adjusting the fluids in the car to fit the driving condition, to lastly, detecting errors in the engine.

Most automobiles you on the road today all have an on-board diagnostics, or an OBD2 port which provides access to all the data from the engine control unit (ECU). With the data, a technician can determine the car’s problems and see if maintenance is required.

obd-port-softwareStep 1: Connect ELM327 to your car’s OBD port.
Step 2: Install ELM327 drivers.
Step 3: Launch OBD2 software, and click “Connect”. It’s that easy!

To access the information from the ECU, you would need a computer and software to plug the port and gain access. Because of this trend, more and more companies are now developing and creating software which can cater to the end-users and assist them in accessing the ECU for data.

Usually, the product will come with two pieces of equipment, a device, hardware or cord and the software. The hardware/cord connects the ECU to the computer. The software then reads the data and analyze the data for the end-users. The main goal of this application is to assist with the maintenance of the vehicle as well as prolonging the life of the vehicle.

Below, we have gathered seven different types of diagnostic software from seven different companies which we believe are the best software that you can purchase now for your Windows/Mac laptop/PC computer.

(Note: None of these links are affiliate links. Total Car Diagnostics is not interested in earning commissions on these recommendations. It’s just a sincere write up on our recommended list of scanners we believe will help you fulfill your diagnostic reading or testing needs.)




TOAD® contains advanced, comprehensive and powerful “car-manufacturer-approved” OBD software applications that’ll perform a thorough health-check on your car and diagnose 15,000+ common problems. It can also “hack” car performance and optimize fuel consumption with included ECU remapping software (for geeks).

This is the same software that’s usually reserved for registered and acclaimed car repair shops, manufacturers, serviceman and mechanics. TOAD makes them publicly available.

It’s biggest strength, besides wide scope of car compatibility, is that software let’s you to monitor live data with customizable visual graphs.

TOAD is suitable for home car owners who’re willing to save hundreds of dollars by finding and fixing it themselves. Or for professional car mechanics/service shops that need the latest cutting-edge detection and analysis software that’ll keep drivers safe on the road.

TOAD is used by law enforcement agencies, franchise car shops, serious car enthusiasts, regular car owners, and car manufacturing companies – in about 80 countries worldwide.

Benefits of TOAD PRO:

  • Check engine light detector: Will display a description of what the problem is so the owner can fix the car accordingly
  • Extract “Extra” OBD Fault Codes usually unfound by other scanners/software (Yes, we tested them all.)
  • Save Money On Car Repair because software will tell you about the broken component (Hence can buy it cheap on eBay or negotiate with the mechanics)
  • Optimize / Tune Cars Performance
  • Software is also optimized for touch input (ideal on Surface PRO for eg).
  • Save Fuel Costs
  • Increase Engine Life Span
  • See What Your Car Is Doing In Realtime
  • Helps You Fix Your Car and Helps Keep Repair Costs Down!
  • Drive With Peace Of Mind Knowing Car Is In Good Condition
  • Display real-time data in a variety of formats including tabular and plotted in a graph


AutoEnginuity’s ScanTool


AutoEnginuity offers brand specific options, such as (BMW, Ford, GM, Chrysler, Nissan, Hyundai, Kia, Land Rover, Jaguar, Honda, Porsche) and much more! ScanTool is available for Windows and iOS systems.

The software allows users to quickly scan the vehicle’s trouble shooting codes, vehicle sensors, and IM240 to decide what services are required. Another attribute which makes ScanTool stand out from the rest is the depth of the coverage.

The systems can access ABS, airbag, instrument cluster transmission, and many other controllers.

The depth consists of online data, bi-directional controls, adaptive resets and learns, and system test.

Only drawback is high price. It’s clearly focused towards car mechanic workshops that scan hundreds of vehicles a month –  and who need OEM manufacturer bi-directional functions.

Benefits of AutoEnginuity Scan Tool:

  • Data: logged in XML for browsers, and CSV for spreadsheets
  • Customizable sensor data: Users can change how the data is displayed in regards to the sensor’s sampling rate, ranges, units , and scaling value
  • Ease of use: Display data is concise and easy to understand form instead of raw data.




PCMScan is a fully featured generic OBD-II automotive diagnostic software that supports a wide variety of OBD hardware interfaces. It includes visual charting, logging, viewing and playback of recorded data in real time. It also allows viewing of vehicle Diagnostic Trouble Codes (DTC’s), Freeze Frame data, and other vehicle information. This universal scanner software supports all US, Asian and European automobiles built after 1996.

However downside from this winning Windows OBD2 software is it hasn’t been updated for over 7+ years. Meaning it’s lacking at least 500+ new PID’s (sensor data) since that time, which have been added in all other applications tested. Seems they either abandoned the software development – or just delegated effort elsewhere.

Benefits of PCMScan:

  • Customizable dashboard= User can change to personal preference
  • Dyno and Drag features
  • Data logging
  • Read stored and pending Diagnostic Trouble Codes.
  • Clear the Check Engine or Service Engine Soon indicator light.
  • Read and clear stored Freeze Frame data.
  • Supports thousands of vehicle trouble code definitions

Worthy Features Tested:

  • Full support for printing and print preview.
  • All of the different views, including the virtual dashboards, support printing/print preview.
  • For those who possess a knowledge of the OBD-II protocol, PCMSCAN provides an OBD-II Terminal where you can send custom commands to the vehicle.
  • For the power users out there, PCMSCAN has built-in Javascripting support to do custom calculations on OBD-II parameters and data.
  • Configurable alerts system – the alerts system allows you to configure the software to monitor any parameter(s) you like. When the specified conditions are met, the software will automatically play a sound (to warn you if you are driving) or insert a bookmark for you into the logged data that is being recorded.
  • English and Metric (SI) unit measurement systems supported.
  • Customizable log file data export to .CSV file for easy viewing in other programs like Excel.
  • Export with real-time stamps for easy correlation with external data logs.
  • PIDs can be assigned priorities to speed up the data capture rate.
  • Supports interfaces: Autotap AT1, AT2, AT3, AT123 (v2.x), VIA LDV100, LDV200, LDV300, LDV123, Multiplex Engineering T16, ELM320, ELM322, ELM323 (v2.x), ELM327 (all versions), Any SAE-J2534 compliant OBD-II interface.



Total Car Diagnostics bought out ProScan in 2015. This OBD2 software is now improved for 2018 and beyond – including ability to read newest sensor data to accommodate ever increasing vehicle technology advancements/sensors – and it’s part of TOAD LITE package.

ProScan is easily one of most user-friendly Windows OBD2 software on the market. It’s also been around since 2003 – hence it’s biggest strength is consistent stability and development based on thorough know-how of automotive protocols/sensors and PID’s. It’s compatible with any standard ELM327 hardware.

Best feature in ProScan that’s somewhat lacking in others – is timing performance 0-60mph (100km). Or at least one of the most accurate implementations of this feature. Meaning you can conduct live accurate measurements of speed/torque gains after adjusting it’s ECU parameters. Or simple for purpose of testing performance gains after modifying or adding aftermarket equipment.

Benefits of ProScan:

  • Fuel Economy: can adjust fuel economy depending on driver’s habit
  • Vehicle Connection Manager: The interface when launching the program
  • Read and display freeze frame data: monitor data from any previous period of time
  • Oxygen Sensor Tests: Display all the tests which has been done on the oxygen sensors. Furthermore, it will show which individual sensor is malfunctioning
  • One button Diagnostic Report Generator: can generate report on the automobile easily
  • Show you the status of your vehicle’s readiness monitors, indicating emissions conformance
  • Show the number and location of oxygen sensors on the vehicle
  • Test your vehicle’s oxygen sensors to verify correct functionality
  • Record and play back data
  • Calculate and display instantaneous fuel efficiency (mpg/liters per km) information for any maf-based vehicle
  • Calculate and display the real-time cost of a trip based upon distance and average fuel efficiency
  • Calculate performance statistics such as 0-60 mph, 1/4 mile time and trap speed, 1/8 mile, etc.
  • Estimate horsepower and torque curves and generate dyno charts
  • Generate printable diagnostic reports for a given vehicle
  • Convert between English and metric units

OBD Auto Doctor


OBD II Auto Doctor is one of most sophisticated and clean OBD2 car diagnostic tools in the market today. We consider it the best OBD software for Mac OS X platform. Software let’s users check and reset codes and communicate directly with the car’s OBD2 system.

It may be “too advanced” for regular car owners. If you’re looking for something simpler, yet preserving “repair-shop” reliability – then also test out Movi software below.

In overall their OBDII software is ultra resourceful in terms of amount of extracted data – and an ideal tool for serious car enthusiasts who wants to understand more about their beloved automobiles.

Benefits of OBD II Auto Doctor:

  • DTCs, Freeze frame, MIL
  • Fuel emission and fuel consumption
  • OBD2 real time indicators
  • Interchange between numerical and graphical view
  • Data can be sent via email
  • Can be utilized to read VIN, and calibration ID of ECU
  • Has a built in DTC database of over 14,000+ alarm codes

Movi and Movi Pro


Movi/ Movi Pro has ability to read information from vehicle’s engine control module (ECM) – without complicated setup on your Mac computer. So you’re after simplicity while still needing absolute reliability on pulling car faults with precise-live PID parameter reports – then this is the ideal OBD app for you. We think it’s easier to grasp and less overwhelming then above OBD II Auto Doctor.

Their free version is suffice for most regular car owners. However only paid version can clear the DTC faults codes.

Software can extract every historical failure (DTC) of a vehicle. It can also clear the ‘check engine light’ off as it extracts problematic trouble codes.

Benefits of Movi and Movi Pro:

  • Can view real time data to assist with engine failures
  • Read / clear DTCs
  • View / clear freeze frame data
  • View fuel consumption and fuel economy
  • Monitor virtual horsepower and torque
  • Make graph up to 4 engine indicators at the same time


EOBD Facile


EOBD Facile OBD software is very simple and easy to setup and connect car-computer via ELM327 interface, on Mac computers. It’s available in App store. We find this a tie with above Movi reviewed software. Just matter of which GUI interface is more pleasing for you.

Once the connection is established, user can diagnose and see the results in real time, see Vehicle info and view what car sensors are saying.

Benefits of EOBD Facile:

  • Clear check engine light
  • View issue with engine codes and what they mean
  • Monitor manufacturer error codes
  • Backlog of records of GPS data


When looking for car diagnostic software, it is best to see what would be most suitable for you according to your needs. Some people may want to have more functions, while others would just want to basics.

When making a purchase, be sure to do research prior to purchasing. Furthermore, be sure to talk to your technician about which software is most suitable for you!

7 Best OBD2 Software in 2018 and Beyond: Reviewed and Tested
4.3 (86.79%) 162 votes

61 Responses to 7 Best OBD2 Software in 2018 and Beyond: Reviewed and Tested

  1. Decided on choice 1 software in the list. Arrived fast and in excellent condition. Worked on my first try on a 2008 Honda Accord V6. Scanned and got code (P1457). Reviewed code in software, erased code. Result? stagnate, “check engine light” (CIL) vanished! Easy. Saved me time, a trip to the shop, and an expensive diagnosis fee at mechanic shop.

  2. Tried EOBD Facile. VERY inexpensive OBD II software. Serves its purpose well on MacBook air. This is my second try at testing obd software, know they’re not all created equal. Be advised this works on most cars but not all. It serves my purposes but I don’t use it on Dodge. It doesn’t function correctly on them (then again most scantools have issues with them). Works on 2 Jeeps and a Mercedes, so reading fault codes and or resetting them is a breeze. I DO have a way more expensive handheld that works on all vehicles but this is my go to option due to large screen real estate you have on laptop vs handheld. Quick to read, isolates a problem system so allows you to check micro switches etc – to narrow down where to look and why. Saves throwing money at something before confirming an issue. Worth the few $$$ for most people’s workshop. Hope this review helps make an informed choice on which scanner you need. For most DIYers this will suffice.

  3. OBD2 ELM327 with ProScan Windows viewed faults and diagnostics successfully detected P0220 and P0229, which caused me to fix the Throttle situations myself. Auto shop charges $40 to plug in the analyzer, so I’m ahead on this.

  4. Tried TOAD and it’s a great Windows software, that’s clearly putting mobile apps to shame! I used TOAD lite version (bought on eBay but no longer available there) for years before finally getting the Advanced version on the website. The paid “PRO” version is definitely worth the money. I have toad-scan paired with a cheap ELM 327 adapter (about $15 on eBay) and it works great on my Surface PRO 3. I have not come across any vehicle that TOAD can’t communicate with. It has saved me money on repairs on my truck and car as well as made money by diagnosing problems with other peoples vehicles. Would purchase again, even for twice the cost.

  5. Have bought Movi OBD app and using on Macbook pro 13. So I took the ZS 2.0 TD out for a blast to test the software. Bearing in mind it’s the 118 with decat, SDI injectors, boost increase (physical boost gauge showing 23Psi). Why was my maximum Bhp 93.4, and my max torque 177 and boost only showing 17.8?? Am I doing something wrong? Is it the ELM327 reader or the Movi obd2 app? And the car is fine btw. It pulls exactly like you would expect a car that’s producing around 134-145bhp with all the mods. Oh, and regarding the max bhp, I took the car right up to the redline with foot nailed to the floor in 1st, 2nd, 3rd and still the app showed a max of 93.4??

  6. I bought ProScan and ELM327 bluetooth from totalcardiagnostics on eBay with a little skepticism, reading everything about bad clones really put me off. This product is the real deal, no delay, works every time. Tested on Windows 10. I believe this is the cheapest, most reliable product for reading OBDII diagnostics over Bluetooth. I know of Android options, but laptops just give more real estate, so can see 4-5 graphs simultaneously. You can’t do this on Android phone or tablet.

  7. Read this article. Already former buyer of TOAD-Lite back in 2011. Their proscan software is still excellent, holding up to modern auto industry changes. Didn’t know about pro ver though. May upgrade later, but happy camper since 2011.

  8. Used ProScan software. It has saved me a few times from going to the local auto parts store or even a mechanic to check why the check engine light is there it works really really well and worth every cent.

  9. Hi. Just place an order for TOAD. Thanks for the review. Appreciate much the brief and straightnto the point review. Keep up tge good work.

  10. Over the last couple years TOAD has done more then one could ask for for the price. I’ve diagnosed and repaired misfires, missing sensors, etc and have even used this to “dial in” my custom intake on BMW. I purchased a “CAI” and using this quickly found it was an extremely hot air intake which took the car within 7 degrees of safety shutdown in which I built my own afterwords.

  11. EOBD Facile does exactly what it says in the description. Used in conjuction with Total Car Diagnostics ELM327 wifi. Works fine on my skoda octavia. Detected engine management fault and allow me to clear the MIL successfully. Real time displays and 0-60 functions work perfectly. Very pleased.

  12. Was looking for OBD2 scanner for PC. Tried PCMScan but it’s not updated often, even though it’s respectively high end obd2 reader software. Settled on AutoEnginuity mainly because they support OEM parameters for Asian cars, while other obd ii laptop software only supports generic engine and transmission codes. Although AutoEnginuity is expensive and certainly not suitable for 99% of common car owners, as it’s clearly designed for mechanic workshops.

  13. I have been using the ProScan since 2011 flawlessly. They still support it today as enthusiastically as 7 years ago when I was new car diagnostics and how useful it is in long run. The Company Total car diagnostics has excellent backup support and still alive today as from the start. Pleased they’re around so long and so active still.

  14. I own a Windows-10 laptop. The obd software by TOAD supplied, installed without problems. Update the diagnostic obd software according to the instructions, and all went well. The last update appears to be 1 week old, so I’m glad Total car Diagnostics is active in software development.

    Successfully determined what was causing my SES [Service Engine Soon] lamp on my 2006 Saturn VUE with 3.0L V6 [it was a thermostat dtc fault code P0128]. Very sad, the thermostat is buried inside of the engine under the intake manifold and intake spreader. This will be an expensive fix [6.1 hours of shop time plus about $50 for the part]– yet another thing that was made by monkeys.

    OBD software also cleared the code just fine, but in this winter weather in Vegas, NV, I suspect it will come right back because the engine is not warming up to specs [>= 179F in 14 minutes], and the thermostat is instead regulating at 169F-181F. I used the “Live Data” feature of the TOAD software to watch the engine temperature while driving to work. The thermostat is initially closed, but it appears that it is opening too soon [and regulating at too low of a temperature]. Nevertheless the temperature sensor is almost never the cause of this failure. Will attempt to test and/or replace it anyway, because that is a lot cheaper than replacing the thermostat.

    NO regrets about the obd software purchase. I also like very much the instant check to see if the vehicle is ready for a smog test [it’s a one-button test]. Will use this test before I smog the vehicle next year.

  15. You don’t have to be a mechanic or get a technician to resolve simple problems of your car – which you can do yourself with some courage, time and a obd diagnostic tool. Thats why finally decided to buy of the OBD software on this page, together with ELM327 unit. My friend told me about the obd2 software and scantool he was using to diagnose problems of his car everytime they popped up. Especially because he does lot of offroading.

    Therefore I am glad to have used the software. Also it’s affordable rather than going back and forth to the auto repair shop to have the vehicle checked. I purchased TOAD because of an engine light that was on, in less then five minutes it had detected the culprit and erased the code, and the light was shut off.

    I didn’t even get my hands dirty! Haha. Superb product, very handy and easy to use by click or tap on your laptop touchscreen.

  16. My check engine light MIL came on the other day so I dropped by the local parts store and ask it they could verify it. Man behind the counter said we don’t do that anymore, was suprised by the statement.

    I have always had them check the code and 90% of the time I buy what sensor or what ever and replace it myself. I’m an industrial mechanic so most of the time I can handle these types of fixes. Well I went to another place I don’t frequent as much same story, we do not do that anymore.

    Don’t know if this is a local thing or if this is trending across the country but in any case it was the perfect excuse for me to get a hold of a good scanner myself and check this myself.

    Did a little research, came to this page, bought one of the obd2 software and elm327 wifi device. Install the software, plugged WIFI into vehicles obd port, and connected to Windows. Took right off and magic within 5 sec I had the output showning the problem.

    Seems my coolant valve opened prematurely one cold morning and it was a flow sensor fault. I reset fault went away and has not returned. If it comes back, I’ll be armed with solution, and may have to replace that thermo valve, but now I’m always informed.

  17. What is your customer email/name? Can’t find you by your aol email address. There was never a time when we didn’t refund once it was returned.

  18. I am trying to find an OBD2 that can coordinate with any smartphone to identify when the auto’s ignition is turned on or off and relay that information to the smart phone regardless of whether or not the phone is logged into – probably using app software.

    I am actually looking for a manufacturers of such products with contact information (telephone numbers).


  19. Some of these products are lifesavers. I drive a 2008 Chrysler PT Cruiser and I recently acquired a new engine motor for it. Mechanic did a mediocre job and I have a list of problems with MIL check engine light reappearing. As a young female unfamiliar with vehicle dynamics, I find mobile based obd apps especially simple to use and lets me to know if there is a considerable problem with my car or just the usually glitch. And the Price is great too. Got ELM327 wifi from totalcardiagnostics.

    • Agree. For the price of a typical mechanic scan, a good reliable obd2 scanner and decent diagnostic software is the way to go. We have 4 vehicles a Toyota, Honda, Nissian, & Dodge and it works on all of them. My husband Had one previously which he had to buy a manual for the Honda to look up codes. This one comes with the codes.

  20. I purchased PCMscan obd software to use in a 1999 VW, what a life saver. The only thing I would fault, if anything, is GUI is slightly outdated. The graphs and data layout itself is perfectly intuitive and will give you vehicle DTC’s and the description/explanation of those codes, very useful. It’s instantly downloadable.

    The instructions are actually very good and comprehensive directions are included to tell you exactly what every function does and how to use it in the software. This scanner software does not allow you to operate sensors or solenoids or actuators you will need a $1500+ unit if you need to do that.

  21. Not mentioning which, but one of the mentioned software packages is point on. My check engine light came on in my Sierra vehicle. I followed the instructions and the dtc code come on the “Pending codes” section of the application. I changed the part and plug elm327 kiwi bluetooth scantool again, and the code was clear. I would encourage you to purchase wisely, or spend 60-100 buck for the car mechanic to do the same thing you can do.

  22. Tried OBD Auto Doctor software and TOAD-Scan. Later is preferred and works perfect. Both have excellent clean and intuitive GUI. I used it on my daughters car it found the problem I bought the part, cleared the code and she passed her inspection. Not only did I save $120 diagnostic fee but also the $50 which dealership incurs to reset the codes. Well worth the money, my dad is ordering one to have in his workshop garage.

  23. Tried most of these software. They’re idiot proof. Except part for rookie Pc users installing ELM327. But once you get the drivers installed, plug it in underneath your dashboard just to the left of your steering wheel. Turn on your car. Only then load up the obd2 software (not before).

    From then on, they all basically work the same. Bunch of tabs. Each offers functions like Freeze frame, dtc’s, monitoring. Nearly all give you 2 choices about fault. One is to look it up (takes you to online site), and other is to clear it. I have a Subaru 2009 Outback, and they all actually read vehicles codes successfully.

    I noticed TOAD-Scan read 2 more codes then ‘OBD Auto Doctor’ which isn’t reviewed nor mentioned on this page, yet another worthy long time software which I think should be included to make this a fair comparison.

  24. I caused short circuit on returning gearbox , there was a smoke in the main loom. I eliminated the circuit and it was fine. I couldn’t have signal for injection on my diesel common rail injectors. It started and ran for a while but check came on and it just stopped. I plug a diagnostic machine and it says main ECU power open and this 002, kindly assist what is it exactly wrong by referring to the code. Will automotive diagnostics software detect this?

  25. I ended up buying a handheld Autel obd2 reader from Amazon, as software is too complicated for my hands-on type. Anyway, always wanted to be able to see for myself when the Check Engine light goes on, what does it really imply and ask of the car driver.

    I’ve now used the tool (more like a code reader) on a few different cars now and it works quite well and is pretty easy to use. I was able to scroll through the menus pretty easily and I REALLY appreciate that I can disable the beeping sound of button clicks. The Autel MD802 software is a must install so you can easily print out your data. In addition, you can update the software on your device with a click of a button.

    The more I play with it the more I’m learning about my cars. It can be a little overwhelming because there is much data to assimilate. I’m not a mechanic, so I just take my time for anything that wish more details on. Again, I find handhelds simpler to navigate through the menus and it’s cool to see live data, just like these mentioned auto repair software. My Ford passes successfully smog, but the O2 sensor triggers the MIL malfunctioning check engine light which is an automatic fail.

    However, now I am able to turn of the light and they won’t try to up sell me on service. This is money well spent on this code reader. I know about car software options, but to me, I makes sense to save time by avoiding the painful installation. With these handheld obd2 tools, just plug it in, turn on car, and instantly the data shows. No need to install anything.

  26. This is probably my first review, so I’m not gonna go full out. I’m as clueless on vehicles like most average drivers. The only lights I could read without a book are the oil change, seatbelt & open door. I bought ProScan when I saw a light turn on and didn’t want to get cheated by mechanic for overwhelming fees.

    Didn’t know what to expect, but watched some YouTube videos on obd tools/software, used ProScan as directed and couldn’t be happier. I’m active duty military and took it to my base the next day and practically telling anyone that wanted to hear to purchase it. They could have sworn I am getting a commission because of how I advocated the software. It worked for me and I feel like I have an honest pocket carry on mechanic.

  27. In overall TOAD (Total OBD & ECU Auto Diagnostics) is an excellent diagnostic software that “just works”. Of course TotalCarDiagnostics has superior customer service. Besides that, I got this up and running TOAD (Total OBD & ECU Auto Diagnostics) within 10 minutes. I’ve had a few hand-held devices and Wow!! Haven’t tried others on this page, but happy with what I’ve got.

    I wouldn’t trade this in for any of my old sets. It only took about 2 minutes to get this hooked up to the port of my 2005 Chrysler and I am by no means a computer whiz being middle-aged and probably took longer than I needed to in getting it set-up.

    Thanks to great support this is the best OBD2 diagnostic software and scanner I’ve ever used to date.

  28. First time I tried to use one of these and a message came on saying , last update failed ,update is necessary linking to pc , I waited a while nothing happens can any one please help

  29. Works great on my 2003 Porsche 911. The new 10% ethanol gas requirement makes my car throw a check engine light every thousand miles or so… TOAD Windows software let’s me clear the code so quickly via cars obd2 port, I can do it while sitting at a stop light with the engine running.

  30. Attention the license EOBD Faciel is valid for 2 activations during 2 years only. This is stated in the general conditions of sale…

  31. My car’s check engine light once again turned on-just in time for the vehicles yearly inspection. The local lube/inspection workshop ran a diagnostics on it, (car flunked the inspection since MIL light was on).

    The diagnostic showed code P0171, “running too lean”. Same code I got 2 years earlier, same vehicle, which ultimately cost me over $450, to be repaired by a local supposedly “honest repair shop”.

    It turned out the $450, was to clean injectors and change filters. I was committed this time I could do something about the issue and definitely save some money. So I Googled, came to this page, and purchased TOAD obd software with it’s included connector.

    Ran the diagnostics, received the same code. I manually changed the air filter-was needed, and added Lucas 10020 Upper Cylinder Lubrication & Injector Cleaner 5.25 oz. to petrol tank-spent less than $20.

    After 2-3 days of driving with the injector cleaner in my tank and changing the filter, I cleared the MIL indicator lamp with this software. Did a full drive cycle (what entails a “drive cycle” is listed in the service manual for your vehicle) returned to the inspection place, and passed.

    The mechanics there asked me where I went to repair the issue, (they had nicely recommended an outfit), told them I did it myself! They were impressed, and I was thrilled with being able to take care of this issue alone.

    Couldn’t have done it without this handy obd (obd2? what’s difference?) software. Very easy to use on Windows lappy. Highly recommend for anyone!

  32. Got the Toad obd2 software seeing this page on Google. 1 week later, it’s an incredibly powerful OBD software to have in your tool box, for both self repair, and regular checkups.

    It’s dongle is small enough to tag around where you need it (and easy to monitor on test drives once software is loaded). I would have paid a couple hundred more for this. The software is very stable and up to date. Scans EVERY engine module available in the car and displays data PIDs for the modules found. Perfect for do it yourself diagnosing. Only thing it doesn’t do is bi-directional testing and programming. Which is when you buy a seperate tuner kit. MOst however will never both car-tuning. Basically a must for any competent technician.

  33. Without doubt TOAD obdii software is the “Rolls Royce” of the Elm327 scan tools per my research. The obdii software is jammed packed full of innovative features as compared to the other Elm327 obd software.

    Specifically where Toad shines is with the following 3 unique functions, although others users may not agree:

    > Support for very high speed baud rates.
    > Double buffered message queue.
    > Remote upgrade capability.
    > High Speed Baud Rates and Double Buffering

    The first two functions are primarily concerned at the high speed CAN protocol, the protocol used by all new vehicles manufactured since 2008.

    When the CAN protocol was first introduced in vehicles during 2004/05, many Elm327 chipped diagnostic tools suffered from BUFFER FULL messages, as a result of the high speed CAN networks of the vehicle over running the small internal buffer of the Elm327 chip.

    The Toad obd 2 software, with proper Elm327 genuine hardware, overcame this limitation with its unique double buffer support, so that BUFFER FULL messages were eliminated even at low speed baud rates.

    Anyway, just some technical contribution.

  34. Can also try free alternatives for obd software, for your laptop. Like EasyOBD which is a obd2 software for pc. Lets you turn your laptop or desktop PC into a sophisticated automotive diagnostics system. Currently, it can be used to read trouble codes, display their definitions, reset the MIL, and display real-time sensor data. Also got Scantool.net obdii software. Then if they work, can get these higher end laptop software.

    • I’m really happy with the car software by comparing 3 obd tools here. I run a mobile mechanic shop and use it on a daily basis. There are a few things that could be improved and a few would be nice to have added to the software.

      But it works as it should most of the time. I wish it would connect to some vehicles that it doesn’t sometimes. Would be great if you could provide a fix for those. Then I would definitely give 5 stars.

  35. I have been using most of these listed obd 2 software to monitor my advance timing and knock Retard, thinking it was accurate. I was incorrect, and lucky I have not blown my motor.

    I think there are other parameters that this is monitoring pretty close to right on like engine temperature, RPM’s and Air Intake Temperature.

    When I did some data logging with the total car diagnostics obdii diagnostics software and there logging software, I found trusting it to be accurate based on common sense observation.

    It’s a very cool application running on my lappy. But do not run above 91 octane, like 94-100 octane thinking this will let me know weather I’m getting knock retard. This obd 2 program was showing me -.5 to -3.0 Knock Retard all the time, and what I was really getting was +1.0 to +4.0 knock retard, timing being pulled back 6-7 deg.

    This is not good, so just a heads up, don’t us this to monitor race gas. I say again my bad for trusting software. Hence for some things, you’ll need proper advanced tool and no obd scan tool software or some android app can read. Hence be smart before buying. Don’t expect it to replace a pro $2000 tool.

  36. Most of these mentioned OBDII software are similarly equipped with a complete array of vital features like built-in dynamometer to determine the horsepower and torque rating of the vehicle. Car owners can run basic scans to diagnose fault and error codes (DTCs and PIDs) but are unique in its ability to effectively store discovered fault codes on a vehicle’s ECU.

    I all the OBD2 software on this page more or less copy each others features. For example they all automatically clears the DTC fault code to return to the original state after you’ve addressed issues with the fault codes. I mean, you can’t have a obd software for laptop, or for Android without this basic function.

    Other uses for these aformentioned OBD 2 software is to generally assist vehicle owners in significantly reducing repair and maintenance costs to self-diagnose and pinpoint car issues and error codes.

  37. After reviewing dozens of OBD software on Google and unconvinced by free demos available, I finally came to this page which confirmed my suspicious about various OBD2 software (for both MAC and windows laptops). Bought TOAD from totalcardiagnostics.com/toad. At first didn’t like it. Just another software with a fancy GUI. But grew to like it more due to it’s quantity of features (if you start exploring) – and settled on it finally.

    In overal, the software is a confident performer in 20 days of using it And would depend on it if had no choice elsewhere. It’s price is high, but definitely justified for unlimited support. They gotta eat bread man!

    The multiple graphical reports I’ve run and insights received have been invaluable to the car repair business.

    For example, learned that one of vehicle’s turbo charger’s might be incorrectly performing and may require replacement.

    There is plenty of info our shop has access to via this application which puts Android apps to shame. I have just scratched the surface digging through all of TOAD’s features (like many customization live graphs as mentioned on top).

  38. I have used several obd 2 software’s in the past, but I have not liked them as much as I do TOAD obdii software. I have another handheld, more expensive and professional (in shop use) scanner (not obd software for laptop) – that I have been using. Which is similar in Total Car Diagnostic’s TOAD’s features… but seems will be using it a lot less as starting to favor obd2 software on computer as it’s real estate is more pleasing and easier to see.

    The graphic user interface for example is coherently arranged in tabs, makes sense. It’s appreciated the software can can erase pending codes (which usually aren’t picked by Android obd applications like Torque), unlike the other scanner I have.

    The obd 2 software allows you to monitor the engine while it runs and see what the sensors are doing in real time. Add to that, can monitor up to 10 data values in graphical visual mode, seeing charts.

    The software also allows you to test oxygen sensors, plus type in codes to get an explanation of what the code is. In general, the software does a confident car review. One I feel I can trust. Which is vital in any OBD2 software whether for laptop, obd scanner, or OBD2 app for mobile.

  39. I originally bought Total car diagnostics OBD software for my Win 7 laptop, about 5 years ago, and never thought about reviewing it. The included obd2 software worked great up until recently when it wouldn’t connect to my wife’s vehicle.

    However, the obdii software would connect to my car just fine. I sent an email to Total car diagnostics – asking them if there had been any updates to the adapter and obd2 software, since the one i originally bought.

    About a day later Gary wrote me back and said there were no updates to the software. He had me do some tests and then offered to check my interface/adapter if i sent it to them. I sent it to them and a few days later they sent me a brand new one.

    I was not expecting this kind of support from them for a device that was 4+ years out of warranty. Sorry for the long review, i just thought i should share my experience. The new elm327 adapter works perfect on TOAD-Scan obd2 software for my Pc.

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