HP Tuners GM E66 ECM Service for 2021+ 3.0L Duramax (Global B)

The HP Tuners E66 ECM service is a one-time send-in upgrade for 2021+ GM vehicles with the 3.0L Duramax LM2 or LZ0 engine. It is required to access supported capabilities in VCM Suite (BETA).

Overview

This service supports the GM Global B E66 ECM found in various 2021+ GM vehicles powered by the 3.0L Duramax, including LM2 and LZ0 generations.

The original ECM must be sent in for the one-time upgrade. After you order, we email you send-in instructions.

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

Fitment

2021+ GM vehicles with the 3.0L Duramax (LM2 / LZ0).

HP Tuners part number: ECM-GB-E66-U

How It Works

1. Order the HP Tuners GM E66 ECM service.
2. After you order, we email you send-in instructions.
3. Ship your original E66 ECM as directed.
4. HP Tuners upgrades the ECM for supported VCM Suite (BETA) capabilities.
5. License and tune with VCM Suite.

What You Need

• Original GM Global B E66 ECM from a 2021+ vehicle with the 3.0L Duramax LM2 or LZ0 engine.

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@americanmuscleperformance.net with your VIN and we will confirm the right service before you order.

FAQ

Which vehicles does this service fit?
The service is for 2021+ GM vehicles with the 3.0L Duramax engine, LM2 or LZ0, using the Global B E66 ECM.

Is this a send-in service?
Yes. You must send in your original ECM. After you order, we email you send-in instructions.

What does the upgrade enable?
The one-time upgrade is required for supported capabilities in VCM Suite (BETA).