How to Delete an L5P Duramax :

1. You will require an MPVI2, Canbus Plugs, and an Unlocked ECM.
2. With the MPVI2 perform an Infolog before removing the ECM for unlocking. How to Generate a VCM Suite Infolog
3. Remove the ECM and send it to HPTuners. We will provide an order number for you if you purchase the unlock here. HPTuners L5P ECM Purchase/Exchange/Upgrade 
4. Once you receive the unlocked L5P ECM from HPTuners read the tune using the MPVI2.
5. Email us the stock tune and we will email you back the deleted file and get credits loaded (if purchased).

L5P Duramax Delete Tuning