A: Go to the superchip web page and the product info should tell you about fitment.  As for smog, use there customer service to get that answer. 

A: Power, fuel economy and towing tunes (Up to 20% improvement in power) & Read and clear diagnostic trouble codes.

A: Not necessarily security codes, but it will read and clear dtc codes.

A: Hello Chris, I'm sorry if I didn't understand your question. You cannot make your own tune with this device, although the tunes generated will be specific and tailored to your vehicle. You can update the tunes on the device, as more release via the internet. This device is more of an plug in, then update your jeep, then unplug and put away, until you want to change/update something, its not intended to always stay plugged in. If you need more information please call our Sales & Support at 877-474-4821. Thank you for checking us out, we appreciate your business.

A: No it does not. Simple to use.