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Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: DUTDT116003000100X
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$2,873.94
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Product Name: Duramax Tuner Switch on the Fly ECM Tune Incl. UNLOCK YOUR ECM & Credits L5P Manufacturer: Duramax Tuner Thoroughbred Diesel Part #: DUTDT116003000100X Fitment Notes: 2017-2022 GM Duramax L5P
Total flexibility to switch on the fly while driving between all five of our emissions in tact custom tunes for your 2017-2022 Chevy Silverado or GMC Sierra. No need to plug in a clunky box to re-flash your truck to change tunes. Giving you the power to tow light or heavy, fun daily driving, and the most we can unleash from your engine. Have the cleanest and most reliable tunes available with the power level you need right at your fingertips. ECM Unlock Service, ECM Tune TCM Tune, Hardware and Credits included.
Get All Five Custom Tunes, Switchable while driving (Switch-On-The-Fly)
Do you need DuramaxTuner.com Switch-On-The-Fly (SOTF) Custom Tuning?
Sport Tune
Street Tune
Light Tow
Heavy Tow
Optimized Stock
Unlock Your ECM Service Included (Engine Control Module)
Unlock Your TCM Service Included (Transmission Control Module)
Included Hardware:
RTD Hardware by HP Tuners Included
HP Tuners Universal Credits Included
Recommended Options
Transmission Tuning
6 Speed Allison TCM Tuning
The 6-Speed Allison found in your 2017-2019 L5P Duramax earned its reputation for excellence largely because of the advanced electronic control provided by the TCM (Transmission Control Module). Changing that factory calibration is especially important for you when you modify your truck and/or install ECM Tuning. Custom TCM Tuning gives you quicker shifts, smoother operation and an overall a better driving experience.
Why do you need TCM Tuning?
TCM Tuning is especially important for trucks with:
Towing & Performance