I'm curious to know what possible use a OBD2 port scanner could be. Apart from diagnostic information, are they particularly useful for a home tinkerer?
........ Then you don't have dumb stuff like ....... your blind spot monitor going off when you drive through a puddle of water......
I have heard of 15 errors being fixed by a new battery. The errors had devalued the car, so having an OBD2 could simply pay for itself.
...... fix was to hard wire the throttle loom to the pedal, removing the connector.