Light Tow Tune Only for EFI Live Spade

Features:

• Emissions equipment remains fully intact
• 49 state legal calibration
• Designed for towing under 8,000 lbs
• Gain up to 55 RWHP and 99 ft-lbs torque
• Custom SMART EGT control for safe temps
• Improved low-speed trailer maneuvering
• Smooth power delivery for daily driving
• Factory turbo brake retains full function
• Air to fuel ratio tuned to reduce soot
• Over 100+ calibration changes from stock
• Back up trailers without lurching
• No wiring hacks or sensor splicing required

Get More Confidence When You Hook Up A Trailer

If you use your truck for work or recreation and regularly tow lighter loads, this Light Tow Tune is exactly what you need. It gives your 2012 Duramax-powered Silverado or Sierra a noticeable boost in power without sacrificing reliability or drivability. With gains of up to +55 rear-wheel horsepower and +99 ft-lbs of torque, you’ll feel the extra muscle when merging, passing, or pulling uphill. Backing a trailer into tight spots becomes smoother thanks to improved pedal sensitivity and low-speed control. Whether you're hauling a small boat, an ATV trailer, or gear for work, this tune helps your truck feel more capable without pushing the limits. The custom tuning even keeps your emissions system intact, so there’s no need to remove or alter anything to get the benefits. It's built to wake your truck up while staying safe for daily use, especially if you don’t plan on towing over 8,000 lbs. For owners looking for better control, less lag, and smoother power when towing light, this tune delivers exactly that.

Built To Deliver Power Without Sacrificing Reliability

This Light Tow Tune is engineered to strike a balance between added performance and long-term durability. It includes more than 100 precise calibration changes from stock, focusing on optimizing how your 2012 LML Duramax behaves under light towing conditions. It’s designed to manage your Exhaust Gas Temperatures (EGTs) automatically through SMART EGT Control, so you don’t need to keep your eyes glued to a gauge. Air-to-fuel ratio adjustments reduce soot output, improving efficiency and keeping the emissions system healthy. The factory turbo brake stays fully functional, helping you control the load without compromising on safety. Power is delivered through a smooth curve that feels natural during both city driving and highway pulls. You also retain full diagnostic support and tune updates through the SPADE EFILive AutoCal V3 device. This calibration is ideal for drivers who want a safer, cleaner way to tow without needing a full performance tune.

Fitment: 2012 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• Designed for trucks towing under 8,000 lbs.
• Not suitable for heavy towing or high payloads.
• Custom tune only, SPADE hardware required.
• Does not remove or bypass emissions equipment.
• 49-state legal, not for use in California.
• DuramaxTuner.com SMART EGT Control included.
• Recommended for daily drivers and seasonal towing.
• Ideal for owners who want better drivability with light loads.
• Requires additional EFILive license for multiple vehicles.
• Use Heavy Tow Tune or full Tune Pack for larger trailers.
• TCM tuning highly recommended for optimal shift performance.
• Not a power tune, moderate gains focused on usability and safety.