1. Home
  2. Chevrolet / GMC
  3. 2020+ 2500HD / 3500HD L5P
  4. Performance
  5. ECM Tuning
  6. HP Tuners 2017+ Chevrolet Silverado / GMC Sierra 2500/3500 6.6L Duramax L5P Modified ECM (Vin Req.)

HP Tuners 2017+ Chevrolet Silverado / GMC Sierra 2500/3500 6.6L Duramax L5P Modified ECM (Vin Req.)

0 Review(s) Write a Review
Your Price: $2,424.99
Part Number: HPT-ECM-00-L5P-P
Availability: Special Order - On average, this product will take 2 business days for Mfr. to ship.

Choose Options


HP Tuners exclusively presents our L5P Modified ECM Purchase & ECM Exchange Service, giving you the power to tune your 2017+ Chevrolet Silverado / GMC Sierra 2500/3500 6.6L Duramax. You now also have the option to either purchase a new HP Tuners Modified ECM or send us your original ECM and we will exchange it for a HP Tuners modified one. Both options give you full access to calibrate, log and scan via the OBD2 port with your MPVI2 and VCM Suite 4.3+!

L5P Modified ECM Purchase

This option allows you to purchase an already Modified ECM from us, and you keep your original ECM. Remember, do NOT send us your ECM.

  • Modified ECM Purchase: $2424.99 (no core needed)
  • ECM (E41) License: 10 Universal Credits

Notes Before You Order:

  • Your modified or exchanged L5P ECM can only be tuned via the OBD2 port with HP Tuners VCM Suite 4.3+ and an MPVI2.
  • To tune your L5P ECM you require 10 Universal Credits, an MPVI2 with the latest firmware, the latest version of VCM Suite and an internet connection.
  • No other tuning or calibration tools can be used with the ECM (including dealer reflash tools).
  • VCM Scanner, dealer diagnostic and other diagnostic tools will continue to function normally.
  • VCM Suite 4.3+ can be used to return to stock calibration and/or update to the latest stock calibration.
  • Vehicle Anti-Theft System relearn by a dealer tool is required once the ECM is returned to the vehicle.
  • Please also allow at least 3 business days for this exchange service not including shipping times.

Recently Viewed Items