Hello, is an internet connection required to just read and save for review the tune for 2018 silverado? Thanks.
Hello, is an internet connection required to just read and save for review the tune for 2018 silverado? Thanks.
yes, the seed/key(unlock) is done online, because gm updated their file encryption. this unfortunately, is how its being done now on 17+ gms
Last edited by mbray01; 02-14-2020 at 07:48 AM.
Michael Bray
Rusty Knuckle Garage
Slidell, Louisiana
20yr Master Tech.
Advanced Level Specialist
Custom Car Fabrication, Customization, High Performance.
GM World Class Technician
Shop Owner
You can possibly use your phone as a hot spot if you can't get close to wifi. It doesn't take much and once you do it you wont need to do it again for that vehicle.
Dave
1968 Chevy C10 - Turbo 5.3 with 4l80
2017 GMC Sierra 6.2 8 speed
Thank you for quick replies to a pretty simple question. I appreciate it!