Transmission Tune Only for EFI Live Spade

Features:

• Transmission tune included in purchase price
• No extra license required for TCM tuning
• Use same hardware as ECM flashing
• Smoother shifting in all driving conditions
• Improves overall drivability and responsiveness
• Better torque converter lockup strategy
• Increased clutch holding with more line pressure
• Prevents short-shifting under heavy load
• Keeps engine in preferred RPM range
• Recommended for larger tires or built transmissions
• Optimizes power delivery during towing and hills
• Supports modified turbos and custom ECM tuning

Give Your Truck The Shifts It Deserves

If you’ve been dialing in your ECM tune but still feel like your truck isn't shifting the way it should, a Transmission Tune is what brings it all together. This tune unlocks smoother shifts, more consistent acceleration, and better responsiveness across the board. It helps eliminate the clunky or sluggish shifting that often holds back performance, especially under load. Whether you’re towing, daily driving, or just want to enjoy the full powerband your Duramax has to offer, this TCM tune lets your truck feel stronger and more refined. You’ll notice improved clutch performance, less hunting for gears, and smarter shifting without any added stress to your transmission. The best part? There’s no additional license fee and you can flash it using the same hardware you already use for your ECM tuning. If you're already invested in getting the most from your truck, this is the missing piece that ties it all together.

Unlock Performance With Smart Transmission Control

This TCM tune is engineered to complement your ECM calibration by refining how your 6-speed Allison transmission manages power delivery. It includes advanced torque converter lockup strategies that ensure you’re putting power to the ground exactly when you need it. With increased line pressure, you gain improved clutch holding capacity, which becomes essential if you're running larger tires, a built transmission, or a modified turbo. The tune also prevents unwanted short-shifting and keeps your engine operating within its ideal rev range for better performance in all conditions. During towing or steep grade climbs, it helps maintain a wider torque curve and keeps you in the gear you want, longer. Whether you're loaded down or just want to squeeze more capability out of your setup, this transmission tune is built to optimize drivability without compromise. It’s compatible with your current EFI Live hardware and requires no extra licensing to get started.

Fitment: 2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• Transmission tune is included in the purchase price
• No additional EFI Live license is required
• You must already have hardware used for ECM tuning
• Works best when paired with custom ECM tuning
• Recommended for trucks with larger tires or turbos
• Helps prevent short-shifting in performance situations
• Improves drivability with smoother and faster shifts
• Raises line pressure for better clutch holding capacity
• Ideal for built transmissions or modified power setups
• Maximizes power delivery during towing and hill climbs
• Does not include ECM tuning or physical hardware