Email info@tunesupplyshop.com
Currently we're only using HPT on the Duramax L5P platform.
L5P Duramax:
L5P Tune Process Part 1
L5P Tune Process Part 2
L5P Tune Process Part 3
Switchable Tune Instructions
17-19 CAN Harness
20+ CAN Harness
HP Tuners Unlock Instructions
HP Tuners Unlock Video
HPT TCM Instructions
Requires Upgrade Service Message
Datalogging
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