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GM Duramax LB7, LLY, LBZ, LMM, LML (2001-2016)

EFI Live AutoCal V3 Duramax Tuner with Delete Tunes | 6.6L LB7, LLY, LBZ, LMM & LML (2001–2016)

EFI Live AutoCal V3 Duramax Tuner with Delete Tunes | 6.6L LB7, LLY, LBZ, LMM & LML (2001–2016)

Regular price $880.13
Regular price $999.99 Sale price $880.13
SALE 12% Sold out
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Overview

EFI Live AutoCal V3 tuning package made for GM Duramax 6.6L trucks. It includes a blank AutoCal V3 and custom tune files built for your exact engine and model year. This ensures proper ECM communication, better throttle response and smooth power delivery. It also includes required DSP5 switch-on-the-fly support and any needed hardware are included based on your truck. This is a complete, easy-to-install tuning solution for Duramax owners and technicians.


What's Included in EFI Live Duramax Tuning Pack

Each option includes the required hardware and custom tuning files matched to your GM Duramax 6.6L engine.

EFI Live AutoCal V3 Device

  • EFI Live device is shipped blank
  • Used to install custom tuning files onto your vehicle
  • Supports data logging and diagnostics
  • Stores multiple tune files
  • Reads and clears diagnostic trouble codes

Custom Duramax Engine-Specific Tuning Files

EFI Live Duramax tuning files are created in-house and matched to your Duramax engine and vehicle configuration.

  • Improved throttle response
  • Smoother power delivery
  • Balanced performance and drivability

Tune delivery: After your order is processed and vehicle information is submitted using the Submit Vehicle Info tool, your custom tune file will be emailed to you.

You will need to install the tune file onto your EFI Live AutoCal V3 device using EFI Live Scan & Tune V8 software.

Switch-On-The-Fly (SOTF) Support

  • Year Specific DSP5 SOTF switches included
  • Supports multiple power levels
  • Allows switching between tunes while driving
  • Required when using more than one tune file

Cab & Chassis Support (LMM & LML Only)

  • Available for select 2007.5–2016 LMM and LML Cab & Chassis trucks
  • Includes one Cab & Chassis-specific tune file
  • Dual fuel tank configurations only
  • Single tank configurations are not compatible.

Duramax Engine Compatibility

Select the option that matches your engine generation.

Year Make Model Body Type Engine Code Model Years
2001–2004 GM Duramax 6.6L Pickup 6.6L Duramax LB7 2001–2004
2004.5–2005 GM Duramax 6.6L Pickup 6.6L Duramax LLY 2004.5–2005
2006–2010 GM Duramax 6.6L Pickup 6.6L Duramax LBZ / LMM 2006–2010
2011–2016 GM Duramax 6.6L Pickup 6.6L Duramax LML 2011–2016
2007.5–2016 GM Duramax 6.6L Cab & Chassis 6.6L Duramax Cab & Chassis LMM / LML 2007.5–2016

Important Information

  • All EFI Live AutoCal V3 devices are custom built and are final sale items
  • Please confirm your engine, model year and vehicle configuration before purchasing
  • Selecting the wrong option may prevent proper ECM communication
  • The vehicle must be tuned prior to deleting emissions systems

Available Power Levels

  • Stock
  • +30 HP
  • +65 HP
  • +100 HP
  • +130 HP

How It Works

  1. Select the correct Duramax engine option
  2. Complete checkout
  3. Submit vehicle details
  4. Your AutoCal V3 device is shipped
  5. Custom tuning files are emailed for installation

System Requirements

  • EFI Live Scan & Tune V8 software
  • Windows 7, 8, 8.1, 10, or 11
  • USB connection
  • 1280 × 960 display resolution minimum
  • 1GB free storage space

Optional Add-Ons


All our EFILive AutoCals are custom made and therefore are final sale items. Please confirm your model and requirements before purchasing to ensure compatibility and satisfaction.

Please Note: The vehicle must be tuned without codes prior to any emissions system removal or modifications. Failure to follow instructions may cause damage to the ECM or void warranty coverage.

For a custom-tailored EFI Live & OBD2 Flash Tuning interface tune, please add the Large Injectors and Upgraded Turbo Custom Tuning product to your cart.

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