Light Tow Tune incl EFI Live SPADE

Features:

• Perfect for light towing under 8,000 lbs
• Includes EFI Live SPADE AutoCal V3 device
• Boosts power by +55 RWHP and +99 ft-lbs
• Emissions intact and 49-state legal
• Maintains full factory turbo brake function
• Smooth power delivery for daily drive comfort
• Custom SMART EGT control protects engine temps
• Improves low-speed trailer maneuvering control
• Pedal sensitivity revised for better throttle feel
• More useable torque in real-world driving
• No wire cutting or sensor tampering required
• Backed by world-class DuramaxTuner.com support

Tow With Confidence And Drive With Ease Every Day

If you use your 2015 Duramax for both daily driving and light towing, this Light Tow Tune with EFI Live SPADE is exactly what your truck needs. It wakes the truck up with noticeably better throttle response and delivers smoother acceleration without going overboard on power. With an increase of +55 RWHP and +99 ft-lbs of torque, you’ll feel a big difference when pulling trailers under 8,000 lbs, whether that’s a small boat, utility trailer, or work equipment. What makes this tune stand out is how naturally it blends extra power with everyday drivability. It’s designed to be emissions intact and 49-state legal, so you get a reliable bump in performance without sacrificing compliance. Trailer maneuvering feels more controlled at low speeds, and backing up without lurching becomes much easier. If you’ve been wanting better performance without pushing your truck too hard, this tune is the sweet spot between comfort, capability, and control.

Smart Calibration For Real World Towing Performance

The DT1150010105059 Light Tow Tune is purpose-built for 2015 GM Silverado and Sierra 2500HD/3500HD trucks equipped with the 6.6L LML Duramax engine. Developed by DuramaxTuner.com, this custom calibration is applied using the EFI Live AutoCal V3 SPADE device, allowing you to flash the tune and monitor engine data with ease. It includes more than 100 targeted changes from stock, refining throttle sensitivity, fuel delivery, and torque output to improve both towing performance and daily driving. Custom SMART EGT control is built into the tune to automatically manage exhaust temperatures under load, reducing stress on your engine during hauls. The air-fuel ratio has also been optimized to limit soot, helping extend the life of your emissions system. All factory safety features, including the turbo brake, remain fully operational. For trucks with larger tires, transmission upgrades, or other performance modifications, TCM tuning is strongly recommended to maintain proper shift points and maximize drivability.

Fitment: 2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• Includes only the Light Tow tune for one truck
• Designed for towing loads under 8,000 lbs
• Includes EFI Live AutoCal V3 SPADE device
• 49-state legal with emissions equipment intact
• Not intended for use in California
• Provides moderate power increase of +55 RWHP and +99 ft-lbs
• Ideal for daily drivers and seasonal towing
• Factory turbo brake remains fully functional
• Custom SMART EGT control helps manage exhaust temps
• Recommended for trucks without major performance mods
• TCM tuning recommended for modified transmissions or larger tires
• EFI Live license is included with purchase