Reviewed By Trever R (CASCADE, WI) Reviewed for a 2015 GMC Sierra —7/7/2015 8:21 PM
The product was a bit confusing to downloading updates. After 2 times I finally got it installed in my 2015 truck. It activates a DTC on stage 3 and shuts the truck down. Removed tuning and called hypertech. They said I can only use tuner on stage 2 until they come up with an update.