Hi my question is do you have to return the truck back to stock tune before you switch to a different tune? Thanx in advance
How do you do that? Would like to do "just in case".......:whs: just plug and play. You can change tunes without returning to stock first. One suggestion, however, if you plan on doin a lotta tuning changes, download a backup of your stock tune onto your computer just in case.
So saves a copy on my computer, and keeps another in the sct. Or just my computer? Sorry I am slow with puters.While your truck is tuned and the stock file is in the SCT, plug in into your computer and lunch the SCT Device Updater. Then click "get stock file from device".