6L80/90 Transmission Custom Tuning with HP Tuners
6L80/90 Transmission Custom Tuning with HP Tuners
Unlock the Full Potential of Your 6L80 or 6L90 Transmission
Your transmission is the bridge between your engine's power and the road — and stock TCM calibrations leave serious performance on the table. Our custom 6L80/90 tuning service optimizes your transmission control module for sharper shifts, improved torque management, and better power delivery across the entire RPM range.
What's Included
- Custom TCM calibration for 6L80 or 6L90 transmissions
- Shift firmness and timing optimization
- Torque converter lockup tuning
- Throttle response and line pressure adjustments
- Compatibility with modified engines and upgraded torque converters
Who Is This For?
Whether you're running a stock engine looking for crisper shifts or a built motor pushing serious power, this tune is dialed in for your specific setup. Perfect for GM trucks, SUVs, and performance builds running the 6L80 or 6L90 transmission.
How It Works
- Purchase and receive your tuning file via digital download
- Load the file using your HP Tuners device
- Hit the road with a transmission that performs the way it should
Note: HP Tuners interface required to flash the tune file. Compatible with all vehicles equipped with the 6L80 or 6L90 transmission. Price does not include credits to license TCM