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- Mon Mar 21, 2016 8:22 pm
- Forum: Trinity GM Gas
- Topic: 2015 GMC sierra 6.2 Original Backup NOT SAVED (-11)
- Replies: 8
- Views: 4038
Re: 2015 GMC sierra 6.2 Original Backup NOT SAVED (-11)
I have a 2015 silverado 6.2 updated the trinity after the first tune says the back up is corrupted (4). Wont let me reset the tuner to reupdate it need a little help.