24-26 Chevy L5P HPT ECM UNLOCK SERVICE

• Unlocks factory ECM for 2024-2025 L5P Duramax 2500/3500 Pickup
• Enables full custom tuning and diagnostics with HP Tuners
• Compatible with Chevrolet Silverado and GMC Sierra models
• Streamlined performance tuning for the latest 6.6L Duramax engines
• Requires MPVI3 and VCM Suite BETA for optimal performance

This ECM unlock service is designed to prepare the factory ECM in your 2024-2025 L5P Duramax 2500/3500 Pickup for advanced tuning capabilities.

Currently, the tuning process is in Beta Testing and is expected to be fully released by the end of August 2025.

HP Tuners offers comprehensive custom tuning and diagnostics for the 2024–2026 L5P Duramax platform through the GM E42 ECM Service. This service is compatible with Chevrolet Silverado and GMC Sierra 2500/3500 models, allowing professionals to efficiently read, license, and write calibrations using the MPVI3 interface along with VCM Suite software. Designed for expert use, this service ensures extensive support across all L5P Duramax years, facilitating enhanced performance tuning and diagnostics for the latest 6.6L Duramax engines. Please note that this service requires the MPVI3, the latest version of VCM Suite BETA, GM E42 ECM Service, and 8 Universal Credits.

What You Need To Start Tuning