Dieselr RTD4 Tune Files (2024-2026 Duramax 4500-6500 L5D Cab & Chassis) - Global B

Dieselr 2024–2026 L5D 4500-6500 L5D Cab & Chassis RTD4 Tune File – Global B E42 ECM

Dieselr Global B Tune Files for 2024-2026 Duramax L5D 4500-6500 and Cab and Chassis 6.6L are built specifically for GM Global B applications using RTD4 and MPVI4 devices through the TDN app. This package is intended for 2024-2026 4500-6500 L5D 6.6L trucks and cab and chassis platforms using the GM E42 ECM, with the Global B platform as a core application requirement.

Flash licensing requires 8 credits. Switch-on-the-fly support is not available at this time.

Supported Applications

This product supports 2024-2026 GMC Sierra 4500, 5500, and 6500 6.6L L5D diesel trucks and 2024-2026 Chevrolet Silverado 4500, 5500, and 6500 6.6L L5D diesel trucks, including applicable cab and chassis configurations built on the GM Global B architecture with the GM E42 ECM.

Global B Platform Details

Architecture Coverage

These tune files are built specifically for GM Global B heavy-duty applications using the E42 ECM. Global B compatibility is a required part of product fitment and workflow.

Device Compatibility

Compatible with Dieselr RTD4 and HP Tuners MPVI4 devices through the TDN app.

Licensing and Service Requirements

Requires the GM E42 ECM service for Global B applications. Flashing requires 8 credits per ECM. These files are intended for supported TDN RTD4 and MPVI4 workflows on applicable Global B vehicles.

Current Functional Notes

No switch-on-the-fly support is available at this time.

Power Level Options

Level 1

Single power level Global B tune file package.

Level 2

Single power level Global B tune file package.

Level 3

Single power level Global B tune file package.

Level 1-3 Multi-Pack

Includes Levels 1 through 3 in one package for customers requiring multiple calibrated Global B file options.

What You Receive

You receive Dieselr Global B tune files for the selected power level or multi-pack option for supported 2024-2026 Duramax L5D 4500-6500 and Cab & Chassis 6.6L applications.