Just went to do a gear change on an 08 v8 DSL Sierra 4wd ( allison trans ) Did some searching to see if there was something that much be done ( like a fuse pull ) or anything specific to do a tune on these and found nothing. So Pulled the file, which Took a very long time ( about 20 mins ) Asked for credits to be applied, and applied 2 GM creds to make gear change and during the write of changes it won't allow the file to be applied and states I don't have proper license and asks to apply 2 more GM credits.
The funny part was this is the only truck of this year model type that I have on this cable, and when asking me to apply more creds it shows that it only takes 5 more for year model, so it recognises that I have credits for this type of truck.
Am I missing something easy with this, don't wont to buy year model for this truck as I will never use it and was trying to do something cheap and easy at the cost of just credits for the customer. <3
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