Originally Posted by JC671

All that he above is true, but being able to do minor things as well as make small adjustments, read/clear your own check engine lights, be able to set when your fans kick on/off, aand ble to set your own launch rpm (if you are manual), is worth it to me.

Just cause you have the tuner version, don't mean you are a pro, but it does help being able to do all of the above and still get a pro tune either by dyno with a tuner or etune.