Scanner help you to solve the problem. you could do some work on it and check it yourself to see what is going on, it is a good choice for repairman and Owners，there are many products,such as AUTOPHIX OBD series products: OBDMATE developed by AUTOPHIX, including OM500 \ OM510 \ OM520 \ OM580. OM520 is the first listing which followed by other three products. Those four products formed OBD series products.
E-SCAN ES620 scanner is a strongest scan tool designed for user to detect ALL OBD II vehicles. It an ideal scanner that is made for ALL VW, Audi, Seat and Skoda series vehicle, and it can detect nearly 130 systems. It can support not ony the Controlled Area Network (TP-CAN) and New UDS protocol, but aso ALL OBD II protocols. It enables the user to get into the VW, Audi, Seat and Skoda systems and get data quickly. ES620 scanner is worthy of the best scanner!
The OBDMATE OM580 is a full mode code reader. It has added playback mode so that you can playback historical data like live sensor data, DTC and freeze frame data. And graphical displayed live sensor data gives you more knowledges of your vehicle.
CARAPP V100 is working with Android operating system (V2.1+) cell phone specially designed for car owners or DIYs.
if you want to know more products,you can entry the website at google: Autophix.com-OBD,OBD II,CarAPP,E-scan,OBDMATE