While lacking on specifics, this question-answer was in Superchips' Tech Support Section:
My tuner works fine on my vehicle, but after I returned my vehicle to stock and tried it on another vehicle I own, the screen showed E-6D “Needs Update – why?
Every Superchips programmer is freshly loaded at our factory with the latest databases meant to provide extremely broad vehicle coverage. Your vehicle’s calibrations (tuning files) were inside our database, but your other vehicle had calibrations Superchips has not seen before.
You can run Superchips Easy Update on your programmer. If the files are ready, you get them immediately. If not, you will receive an e-mail as soon as they are available.
Who's to say if you have one vehicle or two that you're going to use it on....
My tuner works fine on my vehicle, but after I returned my vehicle to stock and tried it on another vehicle I own, the screen showed E-6D “Needs Update – why?
Every Superchips programmer is freshly loaded at our factory with the latest databases meant to provide extremely broad vehicle coverage. Your vehicle’s calibrations (tuning files) were inside our database, but your other vehicle had calibrations Superchips has not seen before.
You can run Superchips Easy Update on your programmer. If the files are ready, you get them immediately. If not, you will receive an e-mail as soon as they are available.
Who's to say if you have one vehicle or two that you're going to use it on....