Originally Posted by Jhill

Usually true but not so much anymore. As I have said multiple times in multiple threads in this site look at the launch icarscan. You will get full vehicle access, bi directional controls, some module programming (key programming, module coding etc) depending on the vehicle. I can tell you first hand it has reprogrammed a setting on a bmw that a $3000 snap on scanner could not. It’s only draw back I have found is the baud rate is fairly slow so for logging it’s not the greatest for anything else it will do what you want.