OBDs, or On-Board Diagnostic systems are in most cars that hit the road nowadays, all the models dating since 1996 and newer and they became more sophisticated with years passing. In the ‘70s EPA was introduced - Environmental Protection Agency, and that started a series of emission standards and requirements for the maintenance of the vehicles in time, all to diagnose engine problems and to control functions of the engine.

OBD offers a universal inspection and methods for diagnosis just to be sure that the car is performing after some well-decided standards. All the OBD cars have a connector in the passenger compartment, easy to get to from the driver’s seat, check near the ashtray and plugs into the OBD scanner. The most important light on your dash is called Malfunction Indicator Light that can say how bad it is a problem in your car through its lighting system: occasional flashes means some malfunctions for the moments, but constantly flashing means there is a big problem and you have to stop the engine immediately. An OBD scanner will read all the codes and errors and will give you their description, can retrieve generic, manufacturer special, pending and permanent codes, can clear codes, reset monitors, some have a built-in speaker that can provide both visible and audible information about your car. Investing in such a device is investing in your safety when you go in a trip or even go by car to work, because you always can give it a check to see if everything is all right. You have five models to choose from so you can make the right decision in purchasing a scanner.


Product Rating Price
Ancel AD310 Classic Enhanced Universal OBD II Scanner Car Engine 4.7/5 $
BAFX Products 34t5 Bluetooth OBDII Scan Tool for Android Devices 4.5/5 $
Obd2 Code Scanner Universal Car Engine Diagnostic Tool Automotive 4.4/5 $$
Autel AL519 AutoLink Enhanced OBD ll Scan Tool 4.4/5 $$
Autel AutoLink AL319 OBD II CAN Scan Tool 4.5/5 $

Ancel AD310 Classic Enhanced Universal OBD II Scanner Car Engine

Built with a large LCD scanner and with a classic design, this universal OBD II scanner can scan fast and clear the codes that are a trouble and indicate the problem your car has. It works on all 1996 US-based, 2000 EU-based and Asian cars and you can choose a language from: English, French, German, Spanish, Finish, Portuguese, Russian and Dutch. This device will determine with ease the cause of an engine light, it has a 2.5-feet long cable made of flexible insulator. Its main functions are: reads live data stream, turns off check engine light, show definitions, clear codes, resets monitors, retrieves vehicle information, supports all OBD II protocols and CAN (Controller Area Network), reads hard and intermittent history. After you will plug it into your vehicle’s 16 pin OBD II DLC, the scanner will power up. It has the menu to read and erase error codes. Its operating temperature is from 32 to 140 Fahrenheit degrees; its storage temperature is from -4 to 158 Fahrenheit degrees; it has backlit display with contrast adjustment and an external power from 8.0 to 18.0 V, provided through the battery of the car. The package includes the AD310 OBD II scanned and the user’s manual.

BAFX Products 34t5 Bluetooth OBDII Scan Tool for Android Devices

Reading and clearing codes for the check engine lights for both generic and manufacturer codes, this OBD II scanner is easy to use and set up, offering you the chance to connect it to your Android phone, tablet or to your Windows PC. It works with all vehicles in the USA that are model 1996 and newer, works on all protocols, offers stable connection and will work smooth with all vehicles, providing fast data so you can fix the problem your car has. When the scanner is used with proper software you can read OBD II check engine light codes, read graph sensors, prepare for emission testing and reset the CEL. In most vehicles you can leave the adapter plugged in as long as the vehicle is driven every few days and if you have a battery newer than a year and a half. This scan tool will provide real-time sensors information that you can read on the screen of your phone, like speed, balance rates, O2 readings, pre-test for emissions testing and much more. It arrives with DEMO software for PCs and the app for a phone or tablet can be chose by you, depending on your needs.

Obd2 Code Scanner Universal Car Engine Diagnostic Tool Automotive

With a quick read and erase of the engine fault codes and a unique patented design, this scanner is easy to use and efficient. It reads for 1996 US-based, 2001 UE-based, SUVs, mini vans, light-duty trucks and Asian cars, and it supports multiple languages: English, French, Spanish, Portuguese and Swedish. You can print data through computer and it supports OBD II protocol. Its main features are: it clears codes, turns off check engine light, resets monitors, reads freeze frame data at the time Malfunction Indicator Lamp was set, records, graphs and playbacks live sensors data, retrieves vehicle information and reads O2 sensors. This scanner supports multiple codes request, such as generic, manufacturer specific, permanent and pending codes. Before you clear the codes check the ignition key to be switched ON with the engine off. It has a large color LCD display to make reading and navigation simpler and also three quick access buttons to read codes, erase codes and for I/M readiness check. All you have to do is to plug it into the OBD II port of your car and it will power using power from the battery of the car.

Autel AL519 AutoLink Enhanced OBD II Scan Tool with Mode 6

This device works on all 1996 and newer models, Us, Asian and European and provides even readings. While is a compact and portable unit, you can carry it wherever you need using the carry case that is included. Featuring a large, color, LCD display, reading and navigation are easier than never and you can also have a print scan detail record for later references. Its main features are: turns off check engine light, clear codes, resets monitors, views freeze frame data, displays monitor and I/M readiness emissions, turns off Malfunction Indicator Light, reads O2 sensors, reads, stores and playbacks live sensor data, can determine with ease the cause of check engine light and displays DTC definition on the color screen. The device retrieves generic, manufacturer specific, pending codes and other vehicles information such as VIN, CIN, CVN. The scanner has a built-in speaker that provides both visual and audible diagnostic. You can save and store codes in the memory of the scanner and print them by connecting with a PC. Its controls are self-explanatory even if you never used a scanner before and is ready to use right after unzipping the case. The package includes user manual, OBD II linking cable, CD software and USB cable.

Autel AutoLink AL319 OBD II CAN Scan Tool

This scanner works on all 1996 and newer vehicles, from US, Europe or Asia. The device has a bright, large, color LCD screen and a built-in speaker that can provide both visual and audible indications. The scanner has I/M readiness mode that can indicate you the details of the readiness of each major emission monitor. And, for navigating with ease, there is even a button on the device that can select this directly, without having to search through the menu. The device has a lamp that if any emission monitor is not ready. It retrieves generic, manufacturer specific and pending codes and turns off MIL (Malfunction Indicator Light), resets monitors, clears codes, it gives you the explanation of the code and, if you are a beginner, you can look for what it means exactly online or in service manuals. There is no internal battery that can ever go dead, but you can use it only when is powered by the battery of your car. It supports all the OBD II protocols and it responds very fast, giving all the information you need.


With years passing, OBD II scanners became more sophisticated, presenting more features and offering more details, so using one is not hard even if you are a beginner. With a large, bright and color LED screen, all the information are already named and have even symbols so they are self explanatory, making scanning process easier for you. The codes will give you an explanation and all the detail you can find online or in a service manual if it happens to have one close. Last models can be connected to your phone or tablet and even to a Windows PC, so you can have all the information on a screed, you can save them and store them if you want to compare with other results. With internet access, you can stay in touch with the latest technology that helps you with any minor or major problem your engine may have. OBDs scanners can also come with an USB cable for you to connect it to a computer and have the results printed. It is recommended to carefully read the user’s manual so no difficulties interrupt your scan.

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