10 Best

Code Readers

of June 2024

  1. Product Highlights
    • Industry leading coverage: the al400 works on most us vehicles manufactured after 1996 and european and asian vehicles manufactured after 2000. compatible with j1850 pwm, j1850 vpw, iso9141, kwp2000, and can protocols. supports 7 languages: english, french, spanish, german, italian, portuguese, and japanese.
    • Used by professionals & diyers:diyers can use the al400 to check their vehicles at any time a problem arises. professional technicians can easily carry the al400 to roadside assistance and home service jobs. small repair shops can save money over expensive diagnostic tools because the al400 can solve car engine system related problems.
    • Important: not all models are compatible with the al400. before purchasing al400, please consult our website to ensure that our products are suitable for your car. if you have any concerns or questions, please feel free to contact us via 📧[email protected]📧. to check compatibility, please provide the vin and the functions you need.
    • 10 obdii full functions: the al400 is topdon's mid-range full-featured obdii code reader. featuring built in dtc look up to help determine the cause of the engine light, ability to quickly read/clear generic codes (p0, p2, p3, and u0) and manufacturer specific codes (p1, p3, and u1), view freeze frame data, graph live data, o2 sensor test, evap test (mode$8), one-touch ...
    • User friendly: compact design makes it easy to store in your toolbox or glove compartment. the easy to read 2.4 inch tft backlit color screen displays the test results, even in the dark conditions. free lifetime updates can be performed by connecting to a computer to maintain coverage.
    • Excellent customer service:we offer a comprehensive before-you-buy service. you can consult us at any time and we will provide purchase advice according to your needs. we will provide you with user manuals and quick start guides to get you started. we have an industry leading return and replacement policy and a 24 month warranty. you can contact our team at any time if ...
  2. Product Highlights
    • Multi-functions: professional obd reader can automotive determine the cause of the check engine light coming on, quickly read and clear diagnostic trouble codes, read live data & hard memory data, view freeze frame, dtc lookup, o-2 sensor test, i/m monitor readiness, and collect vehicle information. instead of taking the car to a mechanic shop, you can use it to check t...
    • Wide car compatibility: this obd diagnostic tool has extensive vehicle compatibility with 1996 us-based, 2000 eu-based, and asian cars, light trucks, suvs, as well as newer obd2 and can vehicles both domestic and foreign. check compatibility with your vehicle model before purchasing. supports 8 languages - english, german, italian, dutch, french, spanish, chinese, russi...
    • Upgraded 2-in-1 obd2 scanner: vpow obd2 code reader has been fully upgraded, built-in 35901 dtc database, the old model odb2 products usually only has 3,000-10,000 dtc. added a professional battery check function, and is equipped with the latest industrial chip(scanning speed 6x faster than other vehicle code readers), never worry about random charges at auto repair sho...
    • Easy to use- plug & play: the odb2 scan equipped with 2.8" color lcd display screen offers a super clear viewing of test results; the car diagnostic tool for all cars is equipped with a 3-foot-long cable and made of a very thick flexible insulator. there are 7 buttons on car diagnostic scanner: scroll up/down, left/right, ok/back and buttons that i/m ready status. the c...
    • Customer oriented services: each package includes a storage bag for your storage. this is an excellent code reader to travel or home with as it weighs less and it is compact in design. you can easily slide it in your backpack as you head to the garage, or put it on the dashboard, this will be a great fit for you. we provide 60-day return and exchange service, and 24-hou...
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  3. Product Highlights
    • Bi-directional control, quickly locate problems: the bi-directional scan tool enables you to send commands from your smartphone directly to the vehicle's ecu for active testing. this feature helps to quickly narrow down problem areas, such as a/c clutch, windows, doors, sunroof, etc., reducing the mechanic's diagnostic time and can help diy users locate faults more easi...
    • Performance testing: always know your vehicle's condition, topscan supports speed performance testing, allowing you to analyze speed changes and calculate engine displacement efficiency,the higher the ve volumetric efficiency, the better the power output performance of the engine.
    • Vehicle coverage lookup: are you unsure whether the topscan scanner tool is compatible with your family's or friends' car models? we've got you covered! with the convenient topscan scanner compatible vehicle model table query function, you can easily verify compatibility with a single click. no more guesswork or uncertainty, get the answer immediately.
    • 8+ popular functions, full system diagnosis: topscan supports obd2 full system diagnosis functions, including reading/clearing codes, reading ecu information,auto vin, viewing real-time data, and conducting active tests. it offers 8+ reset functions including oil reset, throttle adaptation, epb reset, steering angle reset, dpf regeneration, abs bleeding, bms reset, and ...
    • Bluetooth quick pairing in seconds: with the upgraded 5.0 bluetooth system, topscan ensures a faster connection, eliminating the hassle of wires.the bluetooth pairing process needs to be completed in the application (app: topguru for ios users, and topscan for android users). you can use scanner tool to turn your ios/android device (not compatible with tablets) into a c...
    • 4- repair guides, your online assistant: topscan has launched 4 functions that are most touching for all car owners, diy enthusiasts, and mechanics: tsb factory technical bulletins, easier and more convenient search. the obd common fault code repair guidance, leading you to solve problems quickly. dlc diagnostic seat location, quickly positioning. fault code database, t...
  4. Product Highlights
    • ✅【wide capability】- supports 9 protocols compatible with most 1996 us-based, 2000 eu-based and asian cars, and newer obd ii & can domestic or import vehicles. supports 6 languages - english,german, dutch, spanish, french, italian.
    • ✅【compact design】- car diagnostic scanner is equipped with a 2.5 feet long cable and made of a very thick flexible insulator.there are 6 buttons on obd2 scanner:scroll up/down,enter/exit and buttons that quick query vin vehicle number& the dtc fault code.
    • ✅【screen protecting film】- there’s a transparent screen protecting film on the screen surface. if any scratches on the film, just tear off the screen protecting film. if any more problem on the screen, just contact our customer service for replacement directly.
    • ✅【erase codes】- when you find the fault codes, please fix the problem before erasing the codes. if the codes erased without the problem fixed, the engine fault light may turn on again in the future.
    • ✅【multi-functions】- practical multi-functions obd2 code reader features built-in obd2 dtc lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, i/m ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
    • ✅【lcd display】- designed with a clear display lcd screen (128 x 64 pixels) - white backlight and contrast adjustment. no need any battery or charger, obd reader gets the power directly from your vehicle through the obdii data link connector.
  5. Product Highlights
    • Sturdy and compact: equipped with a 2.5 foot cable made of very thick, flexible insulation. it is important to have a sturdy scanner as it can easily fall to the ground when working in a car. the ad310 obd2 scanner is a well-constructed device with a sleek design. it weighs 12 ounces and measures 8.9 x 6.9 x 1.4 inches. thanks to its compact design and light weight, tra...
    • Obdii protocols and car compatibility: many cheap scan tools do not really support all obd2 protocols. this is not the case with the ad310 obd reader as it can support all obdii protocols such as kwp2000, j1850 vpw, iso9141, j1850 pwm and can. this device also has extensive vehicle compatibility with 1996 us-based, 2000 eu-based and asian cars, light trucks, suvs, as we...
    • 【please note】dear customer, if you are not pleased with your ad310 and choose to return it, please kindly mark it unsellable to avoid an used one is resold again to other customers. appreciate very much!
    • Cel doctor: the ancel ad310 is one of the best-selling obd2 code reader on the market and is recommended by scotty kilmer, a youtuber and auto mechanic. it can easily determine the cause of the check engine light coming on, quickly read and clear diagnostic trouble codes, read live data & hard memory data, view freeze frame, i/m monitor readiness and collect vehicle inf...
    • Accurate fast and easy to use: the ad310 obd scanner can help you or your mechanic understand if your car is in good condition, provides exceptionally accurate and fast results, reads and clears engine trouble codes in seconds. if you want to find out the cause of the check engine light, this device will let you know immediately and fix the problem right away without an...
    • Home necessity and worthy to own: this is an excellent code reader to travel or home with as it weighs less and it is compact in design. you can easily slide it in your backpack as you head to the garage, or put it on the dashboard, this will be a great fit for you. the ad310 is not only portable, but also accurate and fast in performance. moreover, it covers various ca...
  6. Product Highlights
    • 👉 full system diagnostics & oil reset >> ad20 pro obd2 scanner features in-depth check which allows you to do thorough check on vehicle systems like engine, transmission, brakes, steering, safety, infotainment and so on. thanks to the oil reset function, you don't worry about the oil light on any more, just maintain the oil light yourself at home as a professional. 🚩fun...
    • 👉turn off check engine light & ready your car for mot test (smo~g test)>> this fault code reader can scan powertrain (pcm) module to pull emi~ssion related diagnostic fault codes (dtcs), freeze frame, data stream (pid) to show why the check engine light (mil) is on, how severe is the car issue, and how to fix it effectively with the help of possible causes and fixes. th...
    • 👉 in-depth to explain the fault code & fault codes warning >> the car reader diagnostic features with fault code definitions, which is immensely useful for the car owner to fix car issues or replace faulty components. also, there is fault warning function, when your vehicle has fault codes or the coolant temperature is too high, you will receive warnings on your smart d...
    • 🎁【unique gift ideas】xtool ad20 pro is a top gift choice for your father, grandpa, brother, boy friend, husband, family who is a car owner, technician, advanced diy, garage owner, car dealer, used car dealer, auto repair shop owner, automotive engineer, professional home mechanic, retired backyard mechanic, diy beginner etc. every car owner will need it.
    • 👉 upgraded version of xtool ad20 >> xtool ad20 pro car diagnostic scanner is equipped with fast bt5.0 connection, can pair with both ios and android devices, download the “advancer ad20” from google play or app store to get a plethora of functions, including 🚗check engine light on, 🚗full system diagnostics, 🚗full obd2 test modes, etc. this obd2 scanner is a low-cost way...
    • 👉 full obdii test modes >> advancer ad20 pro obd2 code reader features with full obd2 test modes: read/clear codes, read live data in text including volts/rpm/temperature/speed values, etc., one-click i/m readiness, perform evap test, etc. by troubleshooting check engine light issue, passing the annual mot check and keeping your car in good status, this wireless obd2 re...
  7. Product Highlights
    • ✅【wide capability】- supports 9 protocols compatible with most 1996 us-based, 2000 eu-based and asian cars, and newer obd ii & can domestic or import vehicles. supports 6 languages - english,german, dutch, spanish, french, italian.
    • ✅【compact design】- car diagnostic scanner is equipped with a 2.5 feet long cable and made of a very thick flexible insulator.there are 6 buttons on obd2 scanner:scroll up/down,enter/exit and buttons that quick query vin vehicle number& the dtc fault code.
    • ✅【screen protecting film】- there’s a transparent screen protecting film on the screen surface. if any scratches on the film, just tear off the screen protecting film. if any more problem on the screen, just contact our customer service for replacement directly.
    • ✅【multi-functions】- practical multi-functions obd2 code reader features built-in obd2 dtc lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, i/m ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
    • ✅【lcd display】- designed with a clear display lcd screen (128 x 64 pixels) - white backlight and contrast adjustment. no need any battery or charger, obd reader gets the power directly from your vehicle through the obdii data link connector.
    • ✅【abs / airbag codes not supported】- it is able to read and clear check engine information which is part of obdii system, but it cannot work with non-obdii systems, including abs / airbag / oil service light, etc.
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