Light Tow Tune Only Duramax L5P (2020-2023)

Light Tow Tune

• For those towing any load up to 8,000 lbs
• + 110 RWHP, + 200 ft-lbs torque over factory
• Designed for weekend tower, boats, small tractors, etc
• Perfect balance of sport driving & functionality
• Unhook and enjoy a sportier drive

Required Options *

* (required for ECM tuning, only optional if you own them already)

ECM Upgrade Service (Engine Control Module)

• Remove your ECM and ship to HP Tuners. Will not be able to drive the vehicle since the ECM will be removed
• This option offers a direct servicing of your current ECM. You send it in, HP Tuners gets it ready for tuning, and sends it back
• Once re-installed you can flash our tunes
• No IMMO or Crank Relearn required
• Complete instructions how to remove your ECM carefully to avoid damage, ship, and re-install the modified ECM

ECM Exchange Service (Engine Control Module)

• Send in an L5P ECM core to be modified
• Once re-installed you can flash our tunes
• This option requires doing the IMMO and Crank relearn
• Complete instructions how to remove your ECM carefully to avoid damage, ship, and re-install the modified ECM

Modified ECM Purchase (Engine Control Module)

• We ship a modified unlocked ECM once in stock
• Call us for current estimates on ECM delivery time frame
• Allows continued use of your truck vs removing & shipping your existing ECM
• Keep your original ECM if you ever trade or need dealer servicing
• No core purchase required

HP Tuners MPVI2 Hardware

• Bluetooth, Expansion Port, Mobile Device Support
• Read your engine, Write our tested Tunes, Drive better
• VCM (Vehicle Control Module) Editor, Scanner and USB cables
• Most powerful scanning, diagnostic and logging

8 HP Universal Credits

Recommended Options

CAN Communication Harness

• used when exhaust sensors are disconnected
• communicates with the fuel tank level
• re-establishes communication between ECM & fuel tank components

Transmission Tuning is not yet available for 2020, 2021 models