(2017-2019) L5P Duramax T87A Transmission Tune Only for Edge Insight CTS3
The Edge Insight CTS3 (pro upgrade) now has the ability to unlock the T87A TCM found in your 2017, 2018 or 2019 Chevy Silverado or GMC Sierra. This means if you've already purchased custom tuning all you need to make the upgrade to TCM tuning is this tune file. No credits or additional license required.
The 6-Speed Allison found in your 2017, 2018 or 2019 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
Included in this Price
- Duramaxtuner.com T87A (17-19 L5P) Transmission Tuning for Edge Insight (pro) CTS3
- No need for hardware - use your existing Edge CTS3 hardware (not included)
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