(2020-2023) L5P Duramax Transmission Tune Only for HP Tuners MPVI3
The 10-Speed Allison found in your 2020, 2021, 2022 or 2023 Chevy Silverado or GMC Sierra 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.
As low as $300.00
In stock
SKU
DM1MO1372080000
Included in this Price
- Transmission Tuning for L5P by Duramaxtuner.com
- No need for hardware - use the same RTD Hardware from your ECM tuning
Why do you need TCM Tuning?
- Works with ECM Tuning to provide smooth shifting and superior drive-ability
- Torque converter lockup strategy helps you put power to the ground when you need it the most
- Improve clutch holding capacity with increased line pressure
- Makes your truck feel more powerful
- Prevents short-shifting in performance applications
- TCM Tuning in the best tool to ensure your engine is operating within its preferred rev range
TCM Tuning is especially important for trucks with:
- Custom ECM Tuning
- Larger tires (35”+)
- Modified turbo(s)
- Built transmission
- Any modification that impacts operating RPMs
Towing & Performance
- Use the wider torque curve provided by ECM Tuning
- Keep your truck in its power-band when lugging up a grade
- Quicker shifts mean less time between gears and more time putting power to the ground
- Optimize your aftermarket performance parts
Required Options
Modified TCM Purchase (Transmission Control Module)
- We stock modified TCM hardware and ship directly to you
- Remove your factory TCM and replace with our Modified TCM
- Flash our custom transmission tune using the RTD Hardware and required HP Tuners Credits
- Ship us your factory TCM; we will refund you $200 when confirmed in working order
HP Tuners Universal Credits
- 4 credits required for TCM tuning