LAUNCH stands as a high-tech enterprise committed to researching, developing, and producing car diagnosis, test, maintenance solutions, and related product. We focus on automotive technology through independent design and development of specialized software products. We offer our customers comprehensive services including software design, maintenance, and updates related to automotive testing, ensuring superior solutions tailored to their needs.
How Did We Start?Launch Tech Co., Ltd was founded in 1992. Focusing on automotive scanners for 32 years.Global leading brands,worthy to trust!
Why Choose Us?LAUNCH is the NO.1 of the global market in automotive diagnostic tools! With over 1,000 international patents, we are reliable and trusted!
Is Our Product Quality Superior?The engineer repeatedly tested the test version of the product and then carried out mass production. We actively adopt the suggestions and opinions of all customers, so that the product is almost perfect and can be always updated.
Full Systems Diagnoses
Specialised Vehicle Scanner
4 Systems Scanner
WORTH：Plug&Play (connect the vehicle and use it immediately without update)Code reader car diagnostic tool ；Full functions；Mode 6； Mode YA-201 obd2 scanner can check engine light: retrieve I/M readiness, live data graph, freeze data stream, playback data stream，O2 Sensor, On-board Monitoring (Mode 6), EVAP systems(Mode 8) component test, Auto vehicle information, Upgraded Battery Statu Graphing，DTC lookup
Live Data and Battery Voltage Graphing：2026 Upgrade Ediag YA-201 vehicle code reader can excels in mode 6 on-board monitoring test. Also, Ediag YA-201 vehicle scanner that allows precise diagnosis enables you to retrieve data from vehicle sensors, such as Engine RPM, Intake air temperature, Short/Long term fuel, Misfire data and etc. Advanced Geaphing accurate real time data and battery voltage status through freeze data stream
I/M Readiness Ready：Ediag YA-201 obd2 scanner diagnostic tool is equipped with I/M ready function to check system operation on OBD2 compatible vehicles, run I/M monitor ready test. This makes it convenient to send the vehicle for annual inspection after testing the relevant annual inspection items with the Ediag YA201 to ensure that the vehicle passes the annual inspection
Read & Erase Codes and 10000+ DTC Lookup：Ediag Ya201 can check engine code reader, read the car fault code, show its definition on the screen instantly, troubleshooting to find the root causes of problems, erase the engine fault code and turn off the MIL (Malfunction Indicator Light). 10000+ DTC library can help you save time and mone to resolve the problem.
2026 Upgrade Advaced Hardware：This code reader car diagnostic tool comes with 2. 4′ TFT colorful LCD display with Blacklight, Delicate resolution for eye protection, Lifetime-free update, Longer obd2 cable, Ergonomics patents design,plug and play，no need for batteries or a charges. This Vehicle Code Reader is recommended by over 50,00 DIYer Ueser fans. Why not take it home？
99% Vehicle Coverage After All 1996 OBD2/ EOBD/KOBD&CAN Cars：YA201 supports, 12V Passenger car, Diesel, Hybrid car, Pickup, and Light-duty Truck, SUV, Gasoline, Minivans, Caravan,Van from 1996-2026, covers OBD2/ EOBD/KOBD&CAN cars: Fit for VW, fit for Acura,fit for Alfa，fit for Romeo, fit for Audi, fit for Bentley, fit for Benz, fit for BMW,fit for Bugatti,fit for Buick, fit for Cadillac, fit for Chevrolet,fit for Chrysler,fit for Citroen, fit for Lexus,fit for Lincoln,fit for Maybach, fit for Mazda, fit for Nissan,fit for Porsc,etc.
Ideal Choice for Beginner：Ediag YA201 car code reader is an incredibly useful tool for each car owner or hobbyist, even for those with little to no experience when it comes to vehicle mechanics! Using this car diagnostic scanner is extremely easy. All you have to do is attach it to your car OBDII port and you can diagnose car problems in seconds! Read Codes (DTCs); Clear Codes; Live Data; View Freeze Frame; I/M Readiness; Vehicle Information.
Krissy –
Very handy!
I was anxious to use this small scan tool & compare it to my larger Autel code reader. I have used several code readers in my automotive career and I gotta to admit that I was pleasantly surprised with this handy tool! First of all, this scanner is very user friendly, did not lag & offers quite a bit of options given its size . Some of the options include Reading Codes, EVAP leak test, Component Test, Live Data, Freeze Frame & O2 Sensor Test. The first vehicles that I tried this tool on were a 2011 Toyota Camry & 2004 Mercedes-Benz ML500. I was able to properly diagnose the cause of concern using this tool. The thing that I really love about this tool is that its small size makes it extremely convenient and portable. I am going to keep this scanner in my vehicle so that I will be able to scan codes anytime when I’m on the go! There has been numerous occasions when I’ve have had a friend or family member approach me with car troubles while I am not at the shop…so I can definitely see this tool being used often. All in all…you can beat the value for the price.
S. Hailu –
EDIAG YA-201
I found this item (EDIAG YA-201) to be an excellent value for its price. It is compact and appears to be well made. It has features (such as providing a graphical display of battery condition and live engine parameters) that are found in more expensive OBD2 code readers.Using the device was simple and intuitive. To run a diagnosis or to determine I/M readiness, you plug the device into your car’s OBD2 connector (found under the dashboard) and follow instructions provided in the manual.My car was due for a smog test, but its Service Engine Soon (SES) light was on. I utilized EDIAG YA-201 to diagnose the problem. After I taking some corrective actions, I used the device to check the I/M readiness of the car and took it for the smog test…and it PASSED !!!If I didn’t have this device, the mechanics would probably have recommended replacing some expensive parts. This device has saved me a lot of money. It is a valuable device to own.
pchilenski –
Easy to use, but the feature I needed was incomplete
I already have a simple code reader, but picked this up as it is supposed to provide live data for O2 sensors. Unfortunately it does not read all the sensors. The first sensor, which is an Air/Fuel Ratio sensor is read, and the second sensor which is an O2 sensor is read, but the third sensor, also an O2 sensor is not listed in the display. Emailed manufacturer but never heard back. So while fine for most cars, this feature which I explicitly purchased this product for is incomplete. My auto is a 2005 Honda Civic Hybrid.On the plus side, it is a very good value compared to simple code readers. The display is easy to use and because the software is upgradable, should be able to get more features in the future, like that last O2 sensor being supported.
Jason –
Mic Drop- This is the best small reader w/ Data Pids, Mode 6, IM Rediness, 02 Sensor, Freeze Frame
This product is a great product and worth the extra money over the cheaper OBD2 scanners. Let me start off by saying I have a 2006 GMC Sierra. These scanners results may vary depending on your make of vehicle. I have only used it on my vehicle and a 2008 Honda Accord so far which i did a video on. This product is wellllll worth the money though. Connected to my vehicle easily, quickly and flawlessly following the provided manuals instructions. The product is simple to use and was able to read trouble codes right away with a clear understanding of what was happening with my car, provide quick information on the trouble codes and delete the codes all very easily. The menu layout on the screen is very easy to understand and I had no trouble figuring out how to do what I needed.Also the ability to trigger tests such as the EVAP sensor test makes it well worth the money. Not all sensors test continuously and need to be triggered for your computer to test and show trouble codes. This is extremely useful for Californians out there for smog tests, as you may have to drive approx 50 miles (about 10 dollars in my truck) for these sensors to trigger after clearing codes. I learned that the hard way a couple of years ago.There is also the ability to read live information from the vehicles computer including battery voltage with graphing which can be extremely useful when doing diagnostics to find the problem resulting from trouble codes which happens when there is a signal from the PCM when something is out of line. It’s nowhere near as nice as the diagnostic computers from the manufacturers, but for 40 bucks it’s a Lot more than I expected and still does a lot of the same features. Where else can you get a reader that can graph battery voltage and many other data PIDS, gives you mode 6 data, as well as IM READINESS for emissions, freeze frame data , 02 Sensor tests, LIVE DATA and so much more. this scanner is very robust for the money. you wont regret buying this.Little side note, this seller is outstanding. I have bought multi products from them with no issues at all. My next purchase will be a Launch Diagun or Launch x431 pro. these guys are great and i always feel taken care of with them.
JL –
Very Easy To Use
It’s very easy to use and it has tons of options. It’s also backwards compatible to my ,96 vehicle. I’m glad I bought this for all the details about my car that I can get from it. And it’s inexpensive.
Pat M. –
Best Value! Best Reader for he price and its full functionality.
Bought this reader and boy what a great investment? I bought it to use on my vehicle and my children vehicles as I am the resident mechanic in the household. This device helps me navigate those repairs. This device is fast and loads in the blink of n eye. This product is simple to use and is very intuitive for the user. I have a more expensive reader from the brand name company out there and this device out performs and offers more functionality than it more expensive competitor.This is the best reader offering a strong functionality with a small price making this unit an extreme value to have and I would recommend this to be in anyone’s toolbox who works on vehicles , a do it yourself-er like myself or even the more advanced mechanic who is developing their business.
Ahmed s. –
I bought it for my bmw e60 2005 530i but he didn’t read any fault in my car or clear it so please don’t waste your money on it
DEEPAK T –
The device feels solid and well-built for its price range. The buttons are tactile, and the color screen is clear and bright enough to read outdoors. The cable is durable, and the overall design is compact and easy to handle — ideal for quick use in the garage or on the go.It supports most OBD2-compliant petrol cars from 2000 onwards and diesel cars from 2005 onwards. I tested it on Indian models like Maruti Suzuki, Hyundai, Tata, Honda, and Toyota, and it worked smoothly with all of them. However, older non-OBD2 vehicles and a few diesel variants may not show full data.Doesn’t support ABS, SRS (Airbag), or Transmission diagnostics.No Bluetooth or Wi-Fi — it’s a wired tool only.Some newer BS6 models may show limited live data.
Rolando C. –
cuento con el para revisiones rapidas, pero tambien al ser muy completo confio en que no falla en su diagnostico cuento con un launch, el cual hace que este sea un complemento perfecto para mis escaneos
Jackie Roy –
Easy to use and perfect for my DIY husband. Now we can sort out the codes that pop up in out vehicles without running to the shop. Small enough to keep in the car, which is nice.
AlMahseeri –
Reads onlyNot useful no actions can be taken to the car