HP Tuners TCM – GM-T87A / 17+ Duramax – TCM-00-T87A

HP Tuners TCM – GM-T87A / 17+ Duramax

• Upgrade-only option will upgrade your TCM to enable tuning. Send us your TCM and we’ll send it back to you fully upgraded for tuning. Make sure to include your VIN. Service takes 1-3 business days to complete (not including shipping times).
• Note: Keep in mind that with this option, your TCM will be returned to you with the same programming. If you want the TCM to be pre-programmed to a different VIN, this is not the option for you. Please select « Upgrade & Program » instead.
• Note: No need for an IMMO Relearn, Crank Relearn, or to perform the « Replace TCM » Function in VCM Scanner on the stock TCM.