Best Car Diagnostic Tools and Scanners
Car diagnostics explained
Are you continually seeing error lights pop up on your cars dash? Orange or green lights indicating something is wrong with your engine, electrical system, ABS or airbags? A car diagnostic tool will show you exactly what is wrong and give you the power to fix it yourself and remove the error light and code.
With a car diagnostic scanner you can get peace of mind and the most important thing is, if you are getting work done on your car, it’s a great idea to run the diagnostic tool on your car to see what errors are showing up, if any. This way, when you send it in to the garage for an MOT or similar check up you can be sure that there aren’t any real errors.
The great thing about this is that you wont get ripped off by your local garage and if it’s not a real problem or something you can fix yourself, you can save even more money and sort it out without having to pay anyone else. Usually with just a check you can pay more than £20-£30 for a car diagnostic check. If you get one of the cheaper diagnostic tools you’ll be saving money as soon as your car is checked more than once by a garage.
These diagnostic tools are not cures for your cars problems, they merely let you know what is happening, sometimes you have an error that isn’t even a problem, this is where these devices shine. You can see what it is and clear the fault and remove the light on your dash.
Will The Diagnostic Tool Work For My Car
Works on most Standard OBD2/EOBD protocol cars, SUVs, mini-vans(12V) .European and Asian from 2000 year, US from 1996 year, Japanese from 2008 year.
As long as it has the OBD-II interface or on board diagnostic ii connector then you should be good, we have included below how to find this in your car. You can even use this link to check where the connector is on your car.
http://www.outilsobdfacile.com/location-plug-connector-obd
Make sure you double check your car has an OBD interface so that you can check the diagnostic tools work with your car. Another point is that OBDII is NOT for use on pre 2003 ford diesels they are OBD1 not OBD2.
Where is OBD-II/OBD2 port?
The most common place to find the OBD2 port is under the dashboard on the driver’s side beneath the steering wheel column. Most vehicles have the connector under the dashboard on the driver’s side, but some can be found near the center console area or even on the passenger’s side of the car.
What Other Things Can You Use A Diagnostic Tool For
As well as checking your current car, you could even use this scanner on a new car you would like to purchase to check everything out and make sure there are no real problems.
What Do All These Car Fault Acronyms Mean?
- OBDII
- EOBD
- OBDI
- DTC: Diagnostic Trouble Codes
- I/M: Inspection and Maintenence
- ECU: Electronic Control Unit
- PID: Proportional-Integral-Derivative
OBD-II is an onboard computer that monitors emissions, mileage, speed, and other data about your car. It’s connected to the Check Engine light, which illuminates when the computer detects a problem. The OBD-II onboard computer features a 16-pin port under the driver’s side dash.
Something We Thought We’d Need, Batteries
Do you need batteries for your devices? No, all of the car diagnostic devices run off of the cars power, you need to have your car powered to obviously see the error on your dash and this will also run the device you use to check errors and remove them.
If you want to read all the code faults your car, van or truck can muster, we’d recommend nothing but the Topdon, it can read ABS and SRS Airbag fault codes as well as any engine faults and show you emission graphs too, it does it all.
It costs a bit more than the others, but is a great piece of equipment. Just behind it comes the BlueDriver Bluetooth OBD2 Connector that you use with the Android or BlueDriver iOS Application that you download for your phone. An amazing little bit of kit, it doesn’t do everything the Topdon does but doesn’t come far behind it. That is helped by its relatively low price and that you can use your phone you already own to navigate the errors or see live engine information.
If you are working on your car quite a lot and want a dedicated OBD2 diagnostic tool and don’t want to use your phone and want to work out why that engine light is showing we would recommend both the Foxwell NT200 and OM123 Mate, also known as the Intey Phinx depending on where you buy it. They have a great simple interface, not too many buttons and will have your errors showing in a matter of seconds once plugged in.
Best Car Diagnostic Tools
Amazon.co.uk 
Review of Topdon Elite Car Diagnostic Tool ABS & SRS Fault Reader
A review of the Topdon Elite cat diagnostic tool which has ABS and SRS airbag code fault functionality.
Are you after an SRS Airbag or ABS code reader as well as an engine fault reader, this little device does all of that and more. Straight out of the box it seems to be the best diagnostic tool we have reviewed.
If you have an error, you can read your code and also a description of what this error is, it won’t just give you a code number which you have to look elsewhere for, this is a really thorough diagnostic tool that will really show you whats going on.
We’ll get straight to it, this tool does it and more, if you have airbag or abs problems and they’re showing on your dash, you can check what is up with each error and find out in more detail what it is and then either fix it yourself or get it fixed at your local garage. Once you have checked what it is, you can easily remove it.
If you want to check emission reports or any engine information you can do this with graphical information as well. It has a better viewing information compared to the others which just show error codes and their definition.
With the Topdon Elite you also get a micro USB lead so that you can plug it in to your laptop computer and update using the Topdon software. This means if you have any problems or there are updates you can get them free of charge through Topdons online service.
Pros
- Reads ABS and SRS Airbag faults as well as removing them
- Can update using the USB and connected to a pc or laptop
- Can read engine faults as well
- Can show you car information, vin number and other details
- Really professional look and feel to the product
Cons
- The screen can be a bit hard to read in the daylight, especially if its too bright
- Not the cheapest out there but if you need ABS and SRS Airbag faults reading too it will do these
Verdict
An amazing tool that will do it all, read all your error codes and remove them for you. If you have an error that is continual the light will reappear but at least with this device it will show you whats going on with your car and if its a real problem or not.
TOPDON OBD2 Scanner ArtiDiag500, Engine ABS SRS Transmission Car Diagnostic Tool for...
- 【Newly Added 3 RESET FUNCTIONS】Purchase after October 18, 2022, with the same cost, TOPDON AD500 obd2 scanner has been fully upgraded. Click the "Update" to upgrade the system and get 3 more reset services: ✅Oil reset, ✅Throttle Adaptation, ✅SAS Reset. It will help you save a ton of money and add functionality.
- 【Newly Added 3 RESET FUNCTIONS】Purchase after October 18, 2022, with the same cost, TOPDON AD500 obd2 scanner has been fully upgraded. Click the "Update" to upgrade the system and get 3 more reset services: ✅Oil reset, ✅Throttle Adaptation, ✅SAS Reset. It will help you save a ton of money and add functionality.
- 【Try OBD2 Scanner ArtiDiag500】Have pro-level car diagnostic tool yet being affordable: ➤ENG/AT/SRS/ABS diagnostics with 4-in-1 graphic live data; All OBD2 test; 57 brands / 10000+ models coverage; One-touch AutoVIN in 5 secs; One-touch free lifetime update via Wi-Fi; DTC library; 9 languages menu; Real-time battery voltage check; Printable report auto-generated with email share ➤Smooth Android 7.0, 16GB ROM; Vivid 5” touchscreen; 6,100mAh battery (10+ hrs running).
- 【4 System Car Diagnostics Tool】 Access to 4 vital car systems Engine/ABS/SRS/Transmission. Get ECU version info; Pull DTCs with DTC library explanation and 4-in-1 graphic live data to pinpoint faults; Erase DTCs to shut off warning lights after repairs (**For cars made in 2005 and newer) // This OBD2 code reader also brings all modes of obd2 test to handle most emission-related issues, to help you prolong car lifespan with improved performance.
- 【User-Oriented Diagnostic Tool】 Run across menus or procedures following a logical path effortlessly at your fingertips upon this scan tool’s 5” 720P touchscreen + Rubberized buttons make navigation easy even when wearing gloves // Free lifetime one-touch software update via Wi-Fi for enhancing features + expanding car coverage // 16GB on-board memory allows recording tons of diagnostic reports, which can be shared via email and printed for consultation.
- 【AutoVIN + 4-in-1 Graphic Live Data + Battery Voltage Monitor + Online Feedback + DTC LookUp Library】 Smart AutoVIN saves manual selections to identify car make, model, and year, and heads you towards the proper diagnostics // Max 4 Live Data streams merged for much easier data analysis // Diagnostic feedback Online via this diagnostic tool to help you get tricky repair works well-completed // Real-time car battery voltage monitor reveals the potential car faults.
- This obd2 code reader works on most 1996 & newer OBDII compliant vehicles, covering 57 car brands, 10000+ models across America, Europe, and Asia (Malaysia, India, Iran included), with multilingual menu for hassle-free operation (EN, FR, ES, DE, IT, RU, PT, JP, KR). Extended 2 years for any product quality issues. Make sure this obd2 scanner works on your car, or for any support [email protected] 24/7.
Review of BlueDriver OBD2 Bluetooth Smart Phone App Diagnostic Tool
This is a review of both the BlueDriver OBD2 Bluetooth Device that you plug in to your car and the diagnostic tool application that you download to sync with this little device.
Wait, what? I can plug this little bluetooth device in to my OBD2 connector in my car and then view all of my cars diagnostics using an application? Yes, yes you can.
So here is the gist of it:
- CLEAR DASH LIGHTS – If your light pops up on your dash, you can sort it with this little device and your smart phone, magic!
- EASY INSTALL – If your car was made in the last 20 years it should be compatible, we have included an obd2 search above to see if your car has one
- EASY APP SETUP – Just download this application using your Android phone or iPhone or tablet
- SIMPLE TO CONNECT – Get the app, plug the adapter in to your OBD2 connector, put the code in to the app and you’ll be flying
- FREE 12 MONTH WARRANTY – You get a 1 year warranty on this, if you use it more than twice, you would easily have saved money compared to going to your local garage.
Thats basically it, it’s an amazing little piece of kit and if you already own a smart phone or tablet, which i’m guessing you will, just buy the adapter. You’ll get a great colour info read out compared to some of the other diagnostic tools.
It doesn’t clear all the codes like the Topdon Diagnostic Tool does but it does enough and shows you vital car information that you may also want to check out.
Do You Race Cars or Other Vehicles
You can see real time data on your smart phone and record it, unlike other diagnostic tools, which means that as you are doing a lap, you can record this data and look at it later. You get important stats on the screen such as your rpm , air fuel ratio , shift light etc.
Pros
- You only need to buy the bluetooth adapter and fit it to your obd2 connector
- It’s a lot cheaper than some of the other alternatives
- You can use your smart phone and tablet with it to read error codes and delete them, which means you can use tech you already own
Cons
- Doesn’t read or delete all error codes, only engine faults
- You have to download the application on your phone to use this and enable bluetooth, you get the free app with the purchase but there is also a pro version which you might to pay for
Verdict
It’s just a really simple to use gadget that does exactly what it promises. Really insightful information is shown on your phone and if you have any errors you can delete these as well! It’s a great little product and easier to use than most of the other car diagnostic tools because you just have to learn the user interface on your phone, rather than a whole brand new menu system built in to a separate diagnostic tool, like the others we have reviewed.
BlueDriver Bluetooth Pro OBDII Scan Tool for iPhone & Android
- The Professional OBD2 Diagnostic Scan Tool trusted by mechanics and developed by Professional Engineers
- Officially licensed and certified for Apple and Android devices
- The BlueDriver App and BlueDriver Sensor work exclusively with each other to ensure quality
- The Professional OBD2 Diagnostic Scan Tool trusted by mechanics and developed by Professional Engineers
- Officially licensed and certified for Apple and Android devices
- The BlueDriver App and BlueDriver Sensor work exclusively with each other to ensure quality
- All the capabilities of expensive handheld scan tools plus the benefits of your smartphone or tablet (free app updates, portability, saving data, interactive graphing of live data)
Review of Foxwell NT200 DIY OBD2 Scanner OBD II/EOBD Diagnostic Tool
This is a review of the Foxwell NT200 OBD2 Diagnostic Tool and Fault Code Reader
The NT200 Do It Yourself OBDII car diagnostic tool by Foxwell. If you are after a code reader for your car, this could be the diagnostic tool you need.
Lets get what this little tool does out in to the open, if you have a light come on in your cars dash, an error is being shown, this diagnostic tool once connected will show your the code and fault and will allow you to erase them, so that the next time you start your car, there won’t be any faults.
If you get charged for your local garage to check your faults, then this little device will be able to do the same job, over and over and after a couple of faults show, it will have paid for itself.
It’s a really simple diagnostic tool with only two buttons, we tested the little device in our Fiat Panda and we can connect to the OBD2 connection whilst sat in the drivers seat, the cable length is great for plugging in and testing from inside your car, as long as your OBD connection and port isn’t in a weird spot.
You can find out what fault you have and if it isn’t serious, you can clear your faults without any problems, that’s how simple this tool is.
The diagnostic tool has a USB port on the bottom which you can use to update the device through Foxwell’s update tool on their site. Below we’ll look at exactly what this device offers in its features.
- Foxwell NT200 car diagnostic tool can read and erase the fault codes.
- Show the codes definitions directly, no need look up library from Internet or the User Manual.
- Turn off the MIL and reset monitors.
- Displays live vehicle sensors data, freeze frame data, emission testing, monitor and I/M readiness status and PCM data stream.
- Retrieves vehicle information (VIN,CID and CVN).
If you wish to check your cars engine status, check what a light means on your dash and want to clear your faults, this tool will do that and more. If you wanted to double check all of the cars details, VIN number, this Foxwell NT200 will do that too.
Pros
- Amazing price for a great little device, it will do the basics of any diagnostic tool and save you money at the garage
- Easy to plug in and see what error codes are showing
- Check the exact information of the vehicle
- Easy to use device, two buttons
- Lifetime updates from Foxlink using the USB port to connect to a pc
Cons
- Its hard to think of a downside to this device
Verdict
A great simple little tool, if you need to read error codes, this diagnostic tool will do that in an easy manner, no fussing and will help you clear them too with a easy to use interface, just plug in and go through the menu.
OBD2/OBD II Car Engine Diagnostics Code Reader Auto Diagnostic Scan Tool Automotive...
- ● Foxwell NT201 obdii vehicle diagnostic code reader will work on standard OBD2/EOBD/JOBD & CAN domestic and import cars, light-duty truck (12v only), SUVs, mini-vans. European and Asian from 2000 year, US from 1996 year, Japanese from 2008 year.
- ● Foxwell NT201 obdii vehicle diagnostic code reader will work on standard OBD2/EOBD/JOBD & CAN domestic and import cars, light-duty truck (12v only), SUVs, mini-vans. European and Asian from 2000 year, US from 1996 year, Japanese from 2008 year.
- ● This automotive tester with unique one-click I/M readiness status design, which fast to scan vehicle’s engine healthy status. Red-Yellow-Green LED indicators allow you easily determine whether your vehicle meets the State Emission Monitor Status and assits you to pass the Smog Check.
- ● The obd scanner will read/erase engine fault codes and show the DTC definition on the screen. Quickly and efficiently troubleshoot the cause of check engine light and reset monitors. View Freeze Frame data. Show live data in the text and graph format.
- ● Built in speaker and 2.4'TFT colorful LCD display screen provide visual and audible indication for readiness verification. Unique dust-resistant surface allows this auto code reader scanner more durable and stronger.
- ● Plug and play. No need any batteries, get power directly from the OBD2 interface in your vehicle. Life time free software, automatic update reminder let you stay current with the latest technology. Multilingual menu supports English, Spanish etc.
Review of Topdon AL300 OBD2 Car Diagnostic Tool & Vehicle Code Reader
A review of the Topdon AL300 OBD2 code reader and eraser, a simple diagnostic tool for your cars faults and error codes.
So you have an orange dash error light on your car, showing an engine fault? This diagnostic tool by Topdon should be able to tell you exactly what that fault is and let you remove the error light too. On first impressions it looks like a great little device that will do exactly what you need, check error codes and erase them for you with no fuss or hassle.
So what can you do with the AL300 diagnostic tool?
- Request powertrain frame data
- Request emission related diagnostic trouble codes
- Request onboard monitoring test
- Request emission related diagnostic trouble codes detected
- Request vehicle information
- Built in code library
- Multilingual and code definition
- Adjustable contrast display
- CE, FCC, RoHS certification
As you can see, you can get car information and check what that orange light means on your cars dash near the dials. As well, you can check emissions and on board monitoring. Not a bad little set-up for such a small price.
Pros
- Very easy to use device
- Plug it in, check what that error is from the light showing on your display
- It will show you what the error/fault is with your car
- Erase that error code and watch the light dissapear
- Instructions are pretty clear and we’ve included the pdf version to help
- Really good price for something that will cost you the same for one trip to a car garage
Cons
- Only reads amber/orange error codes
Verdict
An awesome little tool at a great price, you have an orange light showing on your car dash, this will tell you exactly what the problem is and you or your local garage can go ahead and fix it.
TOPDON AL300, OBD2 Scanner Code Reader, car Auto Diagnostic Tool with Full...
- 【Your Car Doctor】Failed to pass the local smog test; Need 1,000+ bucks for catalytic converter replacement; And can't drive the car legally? Why not have this obd2 scanner in your glove box. Check I/M readiness status to help pass the test. Identify emission issues in advance and save repair costs. Works for most OBD2/EOBD/CAN-compliant cars worldwide.
- 【Your Car Doctor】Failed to pass the local smog test; Need 1,000+ bucks for catalytic converter replacement; And can't drive the car legally? Why not have this obd2 scanner in your glove box. Check I/M readiness status to help pass the test. Identify emission issues in advance and save repair costs. Works for most OBD2/EOBD/CAN-compliant cars worldwide.
- 【All Obd2 Test Modes】Charge you 20 bucks to simply clear the code? Skip the dealer and use this obd2 code reader to pull/clear codes. Drive with this scan tool connected. Watch real-time sensor readings from rpm/ mph/ fuel trim/ O2 sensors/ mass airflow and such, to easily find catalytic converter/ fuel delivery/ vacuum problems.
- 【Safeguard You & Your Car】EVAP test finds issues in your gas cap/ filler neck. Freeze frame data let you know what happened when the code sets. On-board monitoring detects potential leak trouble. Display VIN #, very helpful when buying a used car. Take this obd2 scan tool with you to save time, money, and have safe driving.
- 【Small & Easy OBD2 scan tool】Plug & Play. No need to be an expert to use. Get error code in 5 minutes. Its internal code database lookup option gives definition directly saving you additional searching (e.g. P0456 - minor evap leak), and points you in right direction to fix car problems.
- 【Compatibility】TOPDON AL300 code reader works on most US-based cars since 1996, EU-based cars since 2000, and Asian-based cars since 2008, and is compatible with all the OBD2 protocols: KWP2000, ISO9141, J1850 VPW, J1850 PWM, CAN (Controller Area Network). Notice: The cars produced in Japan followed the JOBD protocols and old cars with OBD I protocol, the AL series OBD2 code reader can't work on them. (24/7 customer care service: [email protected])
Review of Foxwell NT301 Car Diagnostic Tool & Code Scanner
This is a review of the Foxwell NT301 Car Engine Scanner and code reader tool.
We received this product, like the others, unboxed it and plugged it straight in to our OBDII connection in our Panda. We didn’t have any warning lights on our dash but we thought we’d see what we could check with this diagnostic device.
Here is what the product offers, we’ll go through each bit in our review below mentioning how it works.
The Foxwell NT301 is an advanced engine fault sensor it will not read faults from other parts of your car, if you have warning lights for ABS or airbags, this will not be able to see them nor remove the warnings. This is stated in the product description and we thought best to highlight this. We didn’t have an ABS or airbag warning so didn’t need to test for this.
What this is perfect for is checking how your engine is running, we have a little bit of crud in the top of our engine where we add new oil, this is due to the previous owner only doing short distances and we wanted to see if anything would come up and nothing has, which is great. We’ve since changed oil filter, oil and do nothing but big miles in our little car now.
In addition this model comes with a battery scanner that can read battery voltage, analyze battery healthy status, view charging status and detect faults and bad cells. It allows you to check battery condition of 12V 100-1100 CCA regular flooded, AGM flat plate, AGM spiral, as well as GEL batteries, and give you a test result display in about 3 seconds.
Car Compatibility for Foxwell NT301
Engine management diagnostics on ALL* 2001+ petrol and 2004+ diesel UK-sold cars
(* – Passenger cars sold from new within the EU, with fewer than 10 seats and a gross vehicle weight rating of less than 2500kg)
If you tick all of the above boxes, this device will work with you.
Overall, the Foxwell NT301 is a really nice looking diagnostic tool, even with all of its buttons it is simple to use but feels a bit plasticy and not thoroughly durable, who knows what would happen if you dropped it. Saying that, you will only be using it for a few minutes at a time and then putting back away and it will more than withstand this.
If you are after a device to check engine problems, check codes, car information and remove faults specifically for the engine, then this device will do just that.
After that, it gets a bit difficult to use, it has a lot more buttons than others and the menu system is quite intensive. It doesn’t help the instructions you get with the device don’t offer much more.
Pros
- Great looking device which will show you all your engine fault codes
- Can clear engine fault codes using this diagnostic tool
Cons
- Doesn’t show and cant cancel error codes for everything, only engine faults
- A lot of buttons which it may not need, some others are a lot simpler to use and do just as much
- Instructions are poor, don’t really instruct, only show you what you’re already looking at
Verdict
A nice little device for any engine fault or check that you may want to do, you have quite a few options regards emission checks and car info but it doesn’t do everything and costs a bit more than others.
FOXWELL NT301 Plus OBD2 Scanner with 12V Battery Tester, 2 in 1...
- High Recommended By Youtube Influence MechanicTop preset choice for your father, husband, brother or boyfriend who is a Technician, Car dealer, Used car dealer, Car mechanic, Automotive engineer, Diagnostic technician, automobile technician, home mechanic, backyard mechanic, retired mechanic, DIY beginner, automotive student. EVERY CAR OWNER WILL NEED IT! Add NT301 Plus vehicle code reader to your cart and give your lover a surprise!
- High Recommended By Youtube Influence MechanicTop preset choice for your father, husband, brother or boyfriend who is a Technician, Car dealer, Used car dealer, Car mechanic, Automotive engineer, Diagnostic technician, automobile technician, home mechanic, backyard mechanic, retired mechanic, DIY beginner, automotive student. EVERY CAR OWNER WILL NEED IT! Add NT301 Plus vehicle code reader to your cart and give your lover a surprise!
- A DIAGNOSTIC DOCTOR FOR 12V BATTERY The NT301 Plus foxwell scanner battery can read battery voltage, analyze battery healthy status, view charging status and detect faults and bad cells. Allow you to check battery condition of 12V 100-1100 CCA regular flooded, AGM flat plate, AGM spiral, as well as GEL batteries, and give you an accurate test result display in 3 seconds. Note: Do not connect the tester to a voltage source greater than 30VDC; otherwise you may damage the tester.
- AN ANALYZER FOR LIVE DATAThe foxwell obd2 scanner shows live vehicle sensors data in test and graph formats, allows you to focus on any suspicious or symptom-specific data parameters ( sensor data, operation of switches, solenoids and relay... ) and playback real PID data from the electronic control module. Accurately read error codes for most Worldwide cars, SUVs, light trucks and 12V diesels equipped with Obd2.
- A SMOG CHECK HELPER - ONE-KEY I/M2.8'' TFT color screen and hot keys for I/M readiness test gives you to get access to emission readiness status and trouble codes with just one single click. Red-Yellow-Green LEDs and built-in speaker indicate emissions monitor status. Support all OBDII/EOBD protocols, works on most vehicles sold in the USA with the model year of 1996 or newer, 2000 EU-Based and 2005 Asian-Based cars or newer; including car, light-duty trucks, SUVs, minivans and hybrid.
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
