HP Tuners GM E41 ECM Upgrade Kit for 2017-2023 Silverado / Sierra 2500/3500 Duramax

The HP Tuners GM E41 ECM Upgrade Kit enables read, write, and special functions in VCM Suite for 2017–2023 Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax L5P and L5D applications. The ECM can be upgraded without removing it from the vehicle.

Overview

This kit upgrades the E41 ECM for the listed 2017–2023 Silverado and Sierra 2500/3500 6.6L Duramax L5P and L5D applications.

After the upgrade, VCM Suite read, write, and special functions are enabled using an MPVI2+ with Pro Feature Set, MPVI3, or MPVI4 interface.

For late 2018–2023 models, the upgrade can be performed directly through the OBDII port.

Max Redline can provide custom tuning after the upgrade, with log-based remote tuning or in-shop.

Fitment

2017-2023 Chevrolet Silverado / GMC Sierra 2500/3500 6.6L Duramax (L5P and L5D).

HP Tuners part number: ECM-00-L5P-K

How It Works

1. Order the HP Tuners GM E41 ECM Upgrade Kit, option ECM-00-L5P-K.
2. After you order, we email you send-in instructions.
3. Use the applicable upgrade method for your vehicle; late 2018–2023 models can be upgraded through the OBDII port.
4. Use a supported MPVI interface with VCM Suite for read, write, and special functions.

What You Need

• Vehicle application: 2017–2023 Chevrolet Silverado or GMC Sierra 2500/3500 6.6L Duramax (L5P or L5D).
• Supported interface: MPVI2+ with Pro Feature Set, MPVI3, or MPVI4.
• Late 2018–2023 models can use the OBDII port for the upgrade.

Need a Tune?

Once your module is ready, Max Redline can build your custom tune: log-based remote tuning or in-shop tuning at our South Florida shop. Call 954-507-6261 or email sales@maxredline.com with your VIN and we will confirm the right service before you order.

FAQ

Which vehicles does this E41 ECM upgrade kit fit?
It fits 2017–2023 Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax L5P and L5D applications.

Does the ECM need to be removed from the vehicle?
The manufacturer describes upgrading the E41 ECM without removing it from the vehicle. Late 2018–2023 models can be upgraded directly through the OBDII port.

Which MPVI interfaces are supported?
The kit enables VCM Suite read, write, and special functions using an MPVI2+ with Pro Feature Set, MPVI3, or MPVI4 interface.