Free US shipping No tariffs or fees Real tech support

HP MPVI3

24-26 Chevy L5P HPT ECM UNLOCK SERVICE

$1,049.99

Required

Driver's door jamb or your registration — we build your tunes to it.

Optional
Required

Not sure it fits?

Text a tech at +1 (888) 789-5551 — we check your VIN before you buy.

Description

This is a Ecm unlock service to get the factory Ecm in your 2024-2025 L5P Duramax 2500/3500/4500/5500 Pickup/Cab Chassis ready for tuning.

Tuning is in Beta Testing so most likely will not be released till the end of August 2025.

HP Tuners introduces full custom tuning and diagnostics for the 2024–2026 L5P Duramax platform with the GM E42 ECM Service. Compatible with Chevrolet Silverado and GMC Sierra 2500/3500/3500/4500 models, this service enables professionals to read, license, and write calibrations using the MPVI3 interface and VCM Suite software. Designed for expert use, it ensures comprehensive support across all L5P Duramax years, streamlining performance tuning and diagnostics for the latest 6.6L Duramax engines. Requires MPVI3, latest VCM Suite BETA, GM E42 ECM Service, and 8 Universal Credits.

 

What You Need To Start Tuning

  1. MPVI3 OBDII Device 
  2. (8) Credits to license (per ECM)
  3. The latest version of VCM Suite BETA software
  4. Ecm Unlock Service.
    One-time, send-in service requiring 3-5 business days to complete (not including shipping)
The new 2024–2026 L5P trucks feature GM’s latest Global B architecture with the E42 ECM. This service gives you direct control over the newest generation of Duramax, with fast write speeds and full calibration flexibility.
Shipping

Free US shipping — no tariffs, no import fees.

Returns

Unused parts in original packaging may be returned within 30 days of delivery. Tuners married to a VIN need a factory unlock first — text a tech.

Questions, answered

Can't find it here? Call or text +1 (888) 789-5551, 9–5 MST weekdays.

What parts do you offer?
We offer a wide range of high-quality diesel parts for various trucks, including full exhaust systems, tuners & tunes , and complete egr & def delete kits.
How do I place an order?
To place an order, simply add the desired items to your cart and proceed to checkout. Follow the prompts to enter your shipping and payment information.
Do you offer international shipping?
Yes, we offer international shipping world wide. Additional fees may apply, and delivery times may vary depending on the destination.
What is your return policy?
Due to the specialized nature of our products, we generally do not accept returns. Most items are VIN-specific or custom-built to order. Before returning any items, please contact us for specific shipping instructions.
How can I track my order?
Once your order is shipped, you will receive a tracking number via email. You can use this tracking number to monitor the progress of your delivery.