Avoid disappointment! Spend a few minutes on this page before selecting a Code Reader or scanner. Not all code reader/scanner are created equal. The information here will help you choose the right information. How to choose best obd2 scanner? There is a device connected to your vehicle on the computer. It can read data that is created by your car's computer as ' code error '. The device can also reset the code. Many people have advanced functions are listed below. Best obd2 scanner Step 1. Do you want to have a ' Basic code reader ' or a ' higher end ' unit? A basic code reader is low cost and will read engine codes and delete them. This usually is all you need if you just want to know the codes to keep your mechanic is responsible for or able to do your own basic repairs. They can be recognized by the fact they often have only 2 buttons. * Pitfalls! The low-cost readers have more compatibility problems. They are designed to work on the most popular models and not have the program to cover all protocols from all car manufacturers. From our experience, about 98% of the people who read our low-cost sale work well. 2% other encounter incompatibilities. You should check your delivery method as explained below before purchasing a low-cost unit. A higher end units will more expensive but will perform many functions more and have less chance of encountering incompatibilities. Some examples of these additional functions including: ' The system of ABS or airbags ': Read and reset the system as Antilock Brake System and Airbags. ' On screen ' definition: low-cost units rather than just show a code. Then you have to search the definiion for a code book provides. The option ' on screen ' that allows you to view the definitions right on the screen of the reader. Ability to print: print the results of your printer. ' Live ' data: See the engine sensor and performance in real time, even while you are driving. Good for the diagnosis of the problem. Update: updated the online equipment to keep up with the changes in the Protocol of the car. ' Memory ': Save your data into memory scanner for later viewing. ' Get the VIN (vehicle identification number) ': show the vehicle's VIN. This is useful if you suspect a vehicle VIN has been tampered with or the car has been rebuilt. Example: LAUNCH X431 PRO3 V2.0 Scanpad Diagnostic Scanner Step 2. To avoid compatibility problems. Find your OBD2 bus? If you are buying the kind of ' universal ' type or ' cheap ' scanner, check your car to see ' OBD2 protocol ' which it uses. If a scanner we sell do not read all the protocols, we will specify the Protocol that it read right in the description of the items. BlueDriver Bluetooth Professional OBDII Scan Tool To know which protocol your vehicle use, check the label under the hood. You can also search for your car here: OBD2 Protocol by car and model. ... or check out your car's diagnostic connection: OBD2Plug.gif The diagnostic connector of my car? Click here. Your car use 1 in 5 can Protocol: J1850 PWM-connectors must have the leg 2, 4, 5, 10 and 16. J1850 VPW-connectors must have the leg 2, 4, 5, and 16, but not 10. 9141-2 ISO-connectors must have legs 4, 5, 7 and 16. ISO 14230-4 (KWP2000)-connectors must have legs 4, 5, 7 and 16. Can-BUS (J1939 & ISO15765-4) must have the leg connector-4, 5, 6, 14 and 16. Step 3. Moved to the ' automatic ' scanner page. At the top, are links to narrow the choices by car make. For example; ' Universal ' for the scanner works on many vehicles. ' BMW ' devoted a scanner works on BMW models. * Difficulty with reading NON-CAN-BUS if your vehicle's CAN-BUS. Starting with model year 2003, a number of model cars and model began using a new OBD2 type called CAN-BUS. All the 2008 and newer vehicles use CAN-BUS. A group of our readers on sale doesn't work on CAN-BUS and stating this in the description. They were designed for the older models without CAN-BUS. Better to be safe than sorry, check your vehicle's Protocol as explained in step 2.
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