2011–2015 Chevy / GMC Duramax 6.6L | EZ LYNK AutoAgent 3 Tunes ONLY 

Power Level Options

4-Week Support Package

Our 4-week support gives you access to all tuning compatible with your truck for 4 weeks—ideal if you’re looking to load a tune and go.

• After 4 weeks, the tune currently on your vehicle stays installed

• Upgrade to Lifetime Support for ongoing access to our full tune library and software updates

Lifetime Support Package (Recommended)

Lifetime Support includes unlimited flashes plus basic tune revisions across all available tunes.

• Full access to our tune library

• Automatic tune updates as improvements are released

• No expiration—keeps your AutoAgent 3 current long-term

Tune Availability Note

We’re always building and improving new tunes. The list below is a rough snapshot of common tune options. Exact availability can vary by configuration, and more tunes are added regularly.

Tune Options by Vehicle Type

2011–2014 Duramax Van (LGH 6.6L)

Common tune option:

• Tow Tune (Van / LGH)

2011–2014 Duramax Truck / Cab & Chassis (LML 6.6L)

Common tune options:

• Tow Tune 1

• Tow Tune 2

• Tow Tune 3

• Tow Tune 4

• Heavy Tow Tune

• Tow Tune 5 (Dual Fuel Tank Variant)

• Mild Tune

• Race Tune

• Wild Tune

• SOTF (Switch-On-The-Fly)

• SOTF (Alternate Version)

Extended library examples (configuration-specific):

• SOTF “Clean Power”

• Tow Tune (CP3 or CP4)

• Tow Tune (Manual Transfer Case)

• 50 HP (Manual Transfer Case)

• Cab & Chassis Tow Tune (Dual Fuel Tanks)

• DSP5 Switch Tuning (CP3 Conversion)

• CSP5 Switch Tuning

• DSP5 Switch Tuning (Manual Transfer Case)

• Tow Tune (Alternate File Variant)

2015–2016 Duramax Truck / Cab & Chassis (LML 6.6L) — TCM Variant A (G1516T66_A50)

Common tune options:

• Tow Tune

• Light Tow Tune

• Street Tune

• Street Tune (CP3 Conversion Variant)

• Economy Tune

• SOTF (Switch-On-The-Fly)

• SOTF (“Idle Hiss” Variant)

Extended library examples:

• 50 HP Tune

• DSP5 Switch Tuning

• DSP5 Switch Tuning (CP3 Conversion)

• 50 HP (Manual Transfer Case)

• DSP5 Switch (Manual Transfer Case)

• SOTF 0–130 HP (EGR Temp Sensor Switch – Gray/Tan Wires)

• SOTF 0–140 HP (EGR Temp Sensor Switch – Gray/Tan Wires)

• SOTF 0–240 HP (“Hot” High Power File)

• Stock / Return-to-Stock Tune

• Street Tune (Standard Variant)

• Tow Tune (Standard Variant)

• TCM Tuning (Pro Power Variant)

2015–2016 Duramax Truck / Cab & Chassis (LML 6.6L) — TCM Variant B (G1516T66_T87)

Common tune options:

• Single Tank: SOTF

• Single Tank: Tow Tune

• Cab & Chassis: Tow Tune

• Tow Tune 1

• Tow Tune 2

• Street Tune

• Economy Tune

• SOTF (Switch-On-The-Fly)

• SOTF (“Idle Hiss” Variant)

• Single Tank (CP3 Conversion Variant)

• Recovery File

• T87 TCM File (Transmission Control Module)

Extended library examples:

• 50 HP Single Tune

• DSP5 SOTF Switch Tuning

• DSP5 SOTF (CP3 Conversion)

• 50 HP (Manual Transfer Case)

• DSP5 SOTF (Manual Transfer Case)

• SOTF 0–130 HP (EGR Temp Sensor Switch – Gray/Tan Wires)

• SOTF 0–140 HP (EGR Temp Sensor Switch – Gray/Tan Wires)

• SOTF 0–240 HP (“Hot” High Power File)

• Stock / Return-to-Stock Tune

• Street Tune

• Tow Tune

• Light Tow Tune