ECM Unlock Service 2024-2026 Duramax L5P vin-required This product requires aftermarket modifications

This product requires aftermarket modifications

Step 3: Inform us on when you have linked the truck to the tech as no files will populate

THIS IS A NON ECM SWAP FACTORY MILITARY EMISSIONS REMOVED FILE

2017-2023 Duramax 6

6L Duramax (PLEASE SELECT CORRECT DOWNPIPE STYLE)

ECM Unlock Service 2024-2026 Duramax L5P vin-required This product requires aftermarket modificationsECM UNLOCK SERVICE REQUIRES YOU TO SHIP YOUR ORIGINAL ECM IN TO HP TUNERS FOR A ONE TIME UNLOCK SHIP YOUR ECM TO: HP Tuners, LLC ATTN: GM E42 ECM Service (L5P, Global B) 700 Eastwood Lane Buffalo Grove, IL 60089 YOU WILL NEED TO ADD YOUR HP TUNERS ORDER NUMBER INSIDE THE SHIPPING BOX, WE WILL PROVIDE YOU WITH THIS AS SOON AS YOUR ORDER IS PROCESSED CUSTOMER IS RESPONSIBLE FOR SHIPPING COSTS TO AND FROM HP TUNERS FOR THIS SERVICE PLEASE INLCUDE YOUR