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EFI Live AutoCal Additional Tune Files for GM Duramax (2001-2016)

Delete Tuning
Sku: AutoCal Tune - LB7
Vehicle Fitment:
2001-2004 Chevy Silverado 6.6L LB7 GM Duramax
2001-2004 GMC Sierra Duramax 6.6L LB7 GM Duramax
Regular price
$357.50 USD
Regular price
Sale price
$357.50 USD
Shipping calculated at checkout.
Choose your GM Duramax Engine Generation: GM Duramax LB7 (2001-2004)
Only -5 items in stock! Out of stock!


Notification for the incorrect product/variant will be listed here.

Click here to find the right tuner for our truck!


Within the device vehicle info section, look for the value with the text containing "14C204":

We require an ECU strategy before the tune.



Please agree to our Terms of Service for the Sprinter tune:

Personalize Your Tune Now – or Later

Essential details needed for creating your custom tune files.
Fill now for quicker dispatch, or later via email.
NOTE: Tuner can only be shipped AFTER form completion.

Step 1/5: Please enter your VIN number below:

VIN #:
Body type:
Transmission type:

Not your transmission type below? Please add the correct transmission type in the final step of the form.

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Vendor: Tuner Depot


For off-road use only

Image is for demonstration purposes only. The actual device may vary in color and branding

Additional Tune Files for EFI Live AutoCal - GM Duramax

Expand your AutoCal's capabilities! If you already possess an AutoCal device and wish to add another vehicle, our additional tune files are the perfect solution. We offer Tune Files along with an added SOTF switch option and ensure the process remains smooth and tailored to your preferences.

Choose your GM Duramax Engine Generation

Choose your GM Duramax Engine Year to match the perfect Tuning Data with your tuner:

  • GM Duramax LB7 (2001-2004)
  • GM Duramax LLY (2004.5-2005)
  • GM Duramax LBZ/LMM (2006-2010)
  • GM Duramax LML (2011-2016)

    Switch Options:

    Opt for an additional switch to further enhance your tuning experience by ordering SOTF Switches that give the user Full Control of their Tuned engines. Click the button below:

    Tune Files Included:

    Our SOTF tune pack comes equipped with various power level options:

    • > Stock
    • > Eco/Tow +65HP
    • > Street +100HP
    • > Max Power +130 HP

    Seamless Process:

    Upgrading is simple:

    1. Email our >tech support< to request a VIN slot increase without forgetting to include your AutoCal's Serial Number.
    2. Purchase an additional VIN license from EFI Live.
    3. Order this product for your RAM Cummins' additional tune file.
    4. Easily load the new tune file onto your AutoCal device.
    5. Flash Tune your vehicle for enhanced performance.

    Compatibility & Important Notes:

    Our tunes are compatible with a range of GM Duramax models including the 2001-2016 Chevrolet Silverado 2500, 3500 and GMC Sierra Denali 2500, 3500 6.6L Duramax Diesel Pickups, and the 2001-2016 GM Duramax 3500, 4500, 5500 6.6L Cummins Diesel Cab & Chassis.

    Notably, EFI Live tunes do not support PTO units, and using our tunes may disable the PTO system.

    Note: After placing your order, we'll reach out within one business day to gather the necessary vehicle information to create your tune files. Ensure you monitor your email and in case of any delay, please get in touch with us.

    Please ensure you review the Terms & Conditions and our Shipping Policy below


    • Off-Road Use Only: The products sold on this website are intended for off-road use only, and may not be legal for use on public highways where pollution control laws apply.
    • Check Local Laws: Before purchasing and installing any of these parts, please check your local and state laws to confirm whether the modifications are legal in your area.
    • Professional Installation Recommended: These kits and parts are strongly recommended to be installed by professional mechanics only. Improper installation may lead to performance issues or damage to your vehicle. Please note that, unless specified differently on the product page, our parts do not include installation instructions. Our components are intended for individuals with a proficient understanding of mechanical systems and procedures. Like many aftermarket parts compatible with a variety of vehicles, minor adjustments or modifications may be necessary during the installation process. We cannot accept returns or offer refunds on the basis of an inability to complete the installation due to the absence of instructions.
    • Warranty: The use of these parts will void the warranty of your vehicle. Please confirm with your vehicle manufacturer before purchase and installation.
    • No Liability: Tuner Depot is not responsible for any damage or issues that may arise from the use of these parts.
    • Product Images: Product images are for illustrative purposes only and may differ from the actual product due to manufacturer design changes or improvements.
    • No Performance Guarantees: While these parts are designed to enhance the performance of your vehicle, no guarantees are made regarding the specific performance gains that will be achieved.

    Shipping Policy

    At Tuner Depot, we understand the importance of timely delivery when it comes to your performance parts. We are committed to ensuring a seamless shipping experience, striving to dispatch your orders with utmost efficiency and speed.

    Our Shipping Policy: Our aim is to dispatch all orders within two business days, providing you with a quick and efficient processing time. However, please bear in mind that unforeseen circumstances beyond our control may occasionally impact shipping times.

    Factors Affecting Shipping:

    Weather Conditions: While we pride ourselves on our fast and efficient order processing, adverse weather conditions such as rain, snow, or sleet may affect delivery timelines. We assure you that we will make every effort to overcome such challenges and minimize any delays.

    Holiday Periods: Even our dedicated team needs a well-deserved break during holidays. Please note that our shipping center will be closed on such occasions. Rest assured, we will resume shipping promptly on the next business day. During peak holiday seasons, please allow for potential delays, but be assured that we will keep you informed every step of the way and work diligently to deliver your order as swiftly as possible.

    Staff Availability: While we have an exceptional team, we recognize that unforeseen circumstances can occasionally affect our staffing levels. In such cases, we may experience minor delays. However, we want to assure you that we are committed to swiftly resolving any staffing issues and maintaining our high standards of service.

    We genuinely appreciate your understanding and patience during any unexpected obstacles we may encounter along the way. Be assured that we will utilize every resource available to deliver your performance parts to you promptly.

    Thank you for choosing Tuner Depot, where our passion fuels our commitment to outstanding customer service.

    Happy tuning!