Switch on the Fly Tune Only Duramax L5P (2020-2023)

Switch On The Fly (5 Tunes).

Switch between Light Tow, Heavy Tow, Sport Economy, Race or Optimized Stock (described below inclusions).  Switch tunes right from your steering wheel.

Required Options *

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

ECM Exchange Program (Engine Control Module)

• Remove your ECM and ship to HP Tuners
• HP Tuners receiving, validating and shipping the Modified ECM should take 7 business days + a few days of shipping time depending on choice
• Once re-installed you can flash our tunes
• Complete instructions how to remove your ECM carefully to avoid damage, ship, and re-install the modified ECM

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 models

Motor Ops uses the latest calibration information available when processing your custom ECM tuning. It is advised that all 2020+ truck owners consult their GM Dealer to ensure the TCM has the latest calibration update available. If after programming there is a Reduced Power message and/or U0101 DTC, it is likely that the ECM was updated but the TCM was not. Please reprogram the TCM.