This HP Tuners service upgrades an E41 ECM for tuning or provides a new upgraded ECM for 2017–2023 Chevrolet Silverado and GMC Sierra 2500/3500 trucks with the 6.6L L5P Duramax. Choose a send-in upgrade or purchase a new upgraded ECM.
Overview
Choose between upgrading your original E41 ECM through a send-in service or purchasing a new upgraded ECM.
ECMs with broken locking tabs or connectors will not be accepted for upgrade.
For 2018–2023 model years, the manufacturer states that the truck can be upgraded through the OBDII port; the product options provided here are send-in upgrade or new upgraded ECM.
Fitment
2017-2023 Chevrolet Silverado / GMC Sierra 2500/3500 6.6L L5P Duramax.
Options & Pricing
| Option | HP Tuners Part # | Price |
|---|
| Upgrade My Original ECM (send-in) | ECM-00-L5P-U | $649.99 |
| Purchase New Upgraded ECM | ECM-00-L5P-P | $1,499.99 |
How It Works
- Select Upgrade My Original ECM (send-in) or Purchase New Upgraded ECM.
- After you order, we email you send-in instructions for the original ECM upgrade option.
- For send-in service, ship your original ECM according to the instructions; ECMs with broken locking tabs or connectors are not accepted.
- After the HP Tuners upgrade, use the supported tuning setup to license and tune with VCM Suite.
What You Need
- For the send-in option, provide your original E41 ECM with intact locking tabs and connectors.
- Fitment: 2017–2023 Chevrolet Silverado or GMC Sierra 2500/3500 with the 6.6L L5P Duramax.
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?
It is listed for 2017–2023 Chevrolet Silverado and GMC Sierra 2500/3500 trucks with the 6.6L L5P Duramax.
What options are available?
Choose to send in your original ECM for an upgrade or purchase a new upgraded ECM.
Can I send in an ECM with a broken locking tab or connector?
No. ECMs with broken locking tabs or connectors will not be accepted for upgrades.
