OBDeleven Pro Pack OBD2 Bluetooth Car Diagnostic Scanner, Check Engine Code Reader for iOS & Android

I recently bought an Audi A3, and wanted to do some maintenance on it. I found out that a VW/Audi requires factory coding for a lot of common procedures, like replacing a battery. When researching a DIY-friendly OBD tool to use to perform factory reset/coding, OBDEleven was one of the ones that was mentioned the most by enthusiasts. I was able to use this device to code the new battery to my car, as well as read the transmission fluid temperature, which is required during a fluid change. For the latter procedure with the transmission, I found that I was only able to get this data using the Android app called OBDEleven for VAG - I was not able to find the setting on the main OBDEleven app. I haven’t done this yet, but some coding procedures require you to pay additional charges, though these seem reasonable. Overall, I found this tool to be useful and fairly priced.

Works great with my car (Audi A4 B9) and gives you a link to the code description which helps for diagnosis. Great purchase altogether! Only negative is that you need a subscription to unlock most of it capabilities.