I have the Trinity T1000
In my 2015 GMC sierra 1500 6.2 stock >>
my problem is that when I try to save my original tune I get
Original Backup NOT SAVED (-11)
More info: TCM: error seed/key (-1)
Trinity was unable to save your original tune after 2 attempts. This can happen if the vehicle already has a performance tune
Not tuning vehicle because of backup (4)
Please help
