HP MPVI3
24-26 Chevy L5P HPT ECM UNLOCK SERVICE
$1,049.99
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
- MPVI3 OBDII Device
- (8) Credits to license (per ECM)
- The latest version of VCM Suite BETA software
- Ecm Unlock Service.
One-time, send-in service requiring 3-5 business days to complete (not including shipping)
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.