Expand Your AutoCal’s Capabilities
Already own an EFI Live AutoCal device? This tune package lets you add custom tuning files for another GM Duramax truck. Includes pre-built power levels and optional SOTF switch compatibility for on-the-fly adjustments.
⚠️ Note:
Image shown is for illustration only. Physical AutoCal device not included.
Choose Your Duramax Engine
Select your engine generation for precise tuning:
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LB7: 2001–2004
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LLY: 2004.5–2005
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LBZ/LMM: 2006–2010
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LML: 2011–2016
What’s Included
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4 Pre-Built Tunes:
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Stock: Factory settings.
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Eco/Tow: +65HP for fuel efficiency and hauling.
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Street: +100HP for daily driving.
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Max Power: +130HP (off-road only).
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SOTF Switch Ready: Add an optional switch (sold separately) to toggle tunes while driving.
How to Upgrade
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Email Tech Support: Request a VIN slot increase and provide your AutoCal’s serial number.
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Buy a VIN License: Purchase additional licenses directly from EFI Live for multiple trucks.
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Load & Flash: Install the tune file onto your AutoCal device and flash your truck.
Compatibility
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Fits:
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2001–2016 Chevy Silverado/GMC Sierra 2500/3500 6.6L Duramax.
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2001-2016 GMC Sierra Denali 2500 and 3500 6.6L Duramax Diesel pickups
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2007.5–2016 LMM and LML GM Duramax 3500, 4500, and 5500 Cab & Chassis with 6.6L Cummins Diesel engines.
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Does NOT Support:
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PTO (Power Take-Off) systems – tuning may disable PTO functionality.
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After Ordering
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Response time: We’ll email you to collect your truck’s details (VIN, modifications).
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Check Your Inbox: Reply promptly to avoid delays in creating your custom files.
Important Notes
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Off-Road Compliance: Tunes are designed for closed-course/private land use.
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No Physical Mods: Files work with your existing AutoCal – no hardware changes needed.
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Review Terms: Confirm compatibility and understand policies before purchasing.
Why This Works for DIYers
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Control Your Tune: No dealership visits or generic files.
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Cab & Chassis Support: Tailored files for work trucks (LMM/LML).
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Simple Process: Custom Built tunes mean no guesswork.
Add Aditional AutoCal V3 VIN License here
Not responsible for PTO-related issues or non-compliant use. Full terms available during checkout.
Off-Road Use Disclaimer:
All items offered on this site are engineered strictly for off-road, competition, or closed-course use. They are not certified for street use where emissions compliance or environmental regulations are enforced.
Legal Compliance Reminder:
Before buying or installing any component, consult your local and regional laws to ensure that these upgrades are permitted in your jurisdiction. Some modifications may be restricted or prohibited.
Installation Advisory:
Due to the technical nature of these parts, we highly advise having them installed by experienced automotive professionals. Incorrect installation can result in vehicle malfunction or damage. Unless otherwise noted on a product’s page, installation guides are not included. These products are meant for those with advanced mechanical expertise. As with most universal or aftermarket parts, slight modifications may be necessary to complete installation. We cannot process returns or issue refunds based on installation challenges or lack of instructions.
Vehicle Warranty Notice:
Installing these components will likely void your factory vehicle warranty. Always verify with your manufacturer before proceeding.
Limitation of Responsibility:
dpfdeletetunes accepts no liability for damages, performance issues, or failures resulting from the use or misuse of any products sold.
Product Visuals Disclaimer:
Images displayed are for general reference only. Actual product appearance may vary due to ongoing design changes or manufacturer revisions.
Performance Disclaimer:
While our products are built to support enhanced vehicle performance, individual results will vary. We do not guarantee specific horsepower gains or performance improvements.
Weather Delays:
Although we strive to process and ship orders swiftly, extreme weather conditions—such as heavy rain, snow, or ice—can impact delivery schedules. Please know that we’ll do everything possible to work around these disruptions and minimize any delays.
Holiday Closures:
Our team takes necessary breaks during recognized holidays, during which our shipping operations will be paused. Shipments will resume the next business day. During high-demand holiday seasons, slight delays may occur, but we’ll keep you updated and prioritize getting your order out as quickly as possible.
Team Capacity:
Occasionally, unexpected events may affect staffing levels. While rare, this can result in minor delays. Rest assured, we’re always working behind the scenes to maintain smooth operations and uphold our service standards.
We sincerely value your patience and understanding when unpredictable challenges arise. Our goal remains the same: to get your performance parts to you as quickly and reliably as possible.
Thank you for choosing dpfdeletetunes—where dedication meets performance.