You should have a maximum of 2 files downloaded now, 1 for DEVICE UPDATE SOFTWARE and 1 for LATEST FIRMWARE (if needed). Make sure you have latest version, if not then download it. Look up existing firmware versions on chart to see if you have enhanced or non-enhanced.
First download and install Microsoft’s.
How to use the SCT SF3/X3 tuner with your computer: I will add pics soon, but here are the basics. If you’ve never done this before, it’s very frustrating to get started with all the right software. I’ve updated the links below (as of ) so they go to the new support pages, but the X3 Tuner is no longer supported so there is no way to get updates for it.īut if you already have the software, this guide might help.
SCT Tuner has merged with Bullydog Tuners and Derive Systems, and has changed most of their websites and support pages.