Pay in 4 interest-free payments of $125.00 Learn more
Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
Why You Need It
and ease-of-use you need
This is a send-in service which means you must first send in your original ECM
allowing you to restore worn rocker arms before installation
we offer the E41 Upgrade Cable for rent:
HPTuners GM E42 ECM Service (2024-2026 L5P, Global B) Tipo_Only Why You Need ItTune your 2024 2025 Silverado Sierra 2500 3500 with the 6. 6L L5P Duramax (E42 ECM) now using HP Tuners VCM Suite! This service is required to upgrade the E42 ECM in these diesel trucks for tuning using an MPVI3 device and VCM Suite. Note: Spare ECMs will NOT BE ACCEPTED, no exceptions. Only the original ECM from your vehicle is acceptable for this service. Have a 2017 2023 model L5P? Check out the GM E41 ECM Service (L5P) instead. Shipping address