🔥 Fix Your Shit, L5P Tuning Package 🔥

🔥 Fix Your Shit, L5P Tuning Package 🔥
2017–2023 L5P Duramax Tuning Special

Tired of them pesky dash messages or just not driving the way it should? This package is built to get your truck cleaned up, tuned properly, and shifting the way it should.

Package includes:

✅ New HP Tuners RTD4 Device
✅ 8 HP Tuners Credits — enough for ECM & TCM flashing
✅ Your choice of Single Tune or SOTF tuning
✅ Our TCM tuning included
✅ Remote flashing through the TDN app
✅ Data logging support if needed for revisions or troubleshooting

The RTD4 lets you read, flash, and data log your truck from home. We send the files through the app, you flash them with the device, and you’re good to go.

Fits 2017–2023 L5P Duramax trucks.
2017–2018 trucks require an unlock cable (e41 unlocker) if the ECM has not already been unlocked/tuned.

SHIPPING IN CANADA & USA FOR RTD INCLUDED

Message us through the support portal with any questions.