2 Tune Pack Including HP Tuners RTD4 for 2019-2022 GMC/Chevy Silverado/Sierra 1500 3.0L LM2 Duramax

Get your 2019-2022 3.0L Duramax LM2 tuning from the experts. With the option to choose between 2 custom tunes designed to bring out the best in both top-end power and towing performance. These tunes will improve your 3.0L's drivability and performance using the same tuning methods we’ve honed over years of tuning different Duramax platforms to maximize reliability and longevity of your powertrain. 

Our custom tuning is exactly what the 3.0L LM2 needs to wake it up and unlock its true performance potential. Combining the ECM tuning with TCM tuning is the ultimate way to match your transmission holding capacity, shift schedule, and torque converter clutch engagement to the new found power curve of your tuned 3.0L Duramax. Everything you need to tune your 3.0L LM2 is included with this bundle as follows: ECM Unlock Service, ECM Tune, TCM Tune, Hardware and Credits.

Here's How It Works...

• Once you place your order with us we will send a shipping label to your email with instructions
• You can then remove your ECM/TCM and use the provided shipping label to ship it out
• Once HP Tuners receives it they will do the unlock process which takes 3-5 business days
• Once your ECM/TCM is unlocked they will ship it back to you
• You will then be ready to install them back into your vehicle to read/write from there

Custom Tunes:

Street Tune

• Improved Horsepower & Torque +40 RWHP +100 ft-lbs

• • • Better throttle response
    • Wider torque curve
    • Most power & torque you can add while maintaining OEM levels of reliability

• Great for daily driving

• • • Quick acceleration - Vehicle feels lighter
    • Great balance between performance and everyday drivability
    • Factory turbo brake retains complete functionality
    • Not recommended for towing

Tow Tune

• Horsepower & Torque Increase +25 RWHP +60 ft-lbs

• • • Air-Fuel Ratio limits built into calibration to limit soot production
    • Designed for towing up to GVWR 
    • Factory turbo brake retains complete functionality

• Improved Drivability

• • • Get your vehicle up and moving more quickly
    • More useable power in all driving scenarios
    • Improved efficiency

Why Choose DuramaxTuner.com Custom 3.0L LM2 Tuning?

• DuramaxTuner has 15+ years of experience tuning Duramax trucks
• Designed to be safe for your engine and emissions equipment 
• More power and less soot than box programmers
• World Class Customer Service Phone Support!

Included Service:

Unlock Your Stock 3.0L LM2 ECM Service (Included)

• Remove your factory ECM and use the shipping label that we have emailed you to send it in
  • All shipping charges are included in this price
• Your other tuning Hardware will ship to you right away
• HP Tuners generally turns Unlocked modules around within 3-5 business days
• Add TCM Tuning unlock, required for TCM Tuning, for an additional cost

Included Hardware:

RTD4 Hardware by HP Tuners Included

• Connect > Read > Write > Drive.
• Equipped with Bluetooth®, Proprietary Expansion Port, and Mobile Device Support
• Makes it faster and easier to read/write your vehicle’s software.
• View, chart and log diagnostic data in real-time via the OBDII diagnostic data port.
• View and clear Diagnostic Trouble Codes (DTCs) along with other vehicle module information.

HP Tuners Universal Credits

• 6 credits for ECM tuning (Included)
  
• 4 credits for TCM tuning (Optional)
  
  

TCM Tuning

10-Speed TCM tuning is now availabe for your 2019, 2020, 2021, 2022, 2023, 2024, 2025 and 2026 3.0L LM2/LZ0 Duramax! Improve the feeling, durability, and performance of your 10-Speed transmission today with major enhancements like: 

• Increased line pressure
• Shift schuedule adjustments to match ECM tuning power band
• Optimized torque converter lockup strategy 
• Shortened De-fuel time between shifts

TCM Tuning is especially important for trucks with:

• ECM Tuning (optimizes your power output)
• Larger tires (35”+)
• Modified turbos
• Built transmissions
• Any modification that can impact operating RPMs

Towing & Performance

• Use the wider torque curve provided by ECM Tuning
• Keep your truck in its power band when lugging up a grade
• Quicker shifts mean less time between gears and more time putting power to the ground
• Optimize your aftermarket performance parts

TCM Tuning Requirements: 

• An HP Tuners MPVI3, MPVI4, or RTD4 flash tool
• An Unlocked T93 TCM
• (4) HP Tuners Tuning Credits 

Fitment: 3.0L Duramax equipped 2019, 2020, 2021, and 2022 Chevy Silverado and GMC Sierra with E66 ECM.

Questions about fitment? Give us a call at (815)-568-7920 today!

Warning: This product can expose you to chemicals that are known to the State of California to cause cancer. For more information, visit www.P65warnings.ca.gov