Heavy Tow ECM / TCM Tuning Incl. Hardware & Credits L5P (2020-2023)

Our Heavy Tow Custom Tune

• Emissions Intact – you do not remove your emissions equipment
• Safe for Towing Heavy
  
  • Increase power, not EGTs (Exhaust Gas Temperature)
  • Custom “SMART EGT Control” will automatically manage your EGTs
  • Air:Fuel Ratio limits built into calibration to limit soot production
  • Designed to tow 8,000 lbs – GVW
  • Factory turbo brake retains complete functionality

• Horsepower & Torque Increase +40 RWHP, +72 ft-lbs
  
  • Get your trailer up and moving more quickly
  • Lug in the gear you want while towing
  • Have enough power to “Shift Up, Throttle Back”
• Revised pedal sensitivity
  • Low-speed trailer maneuvering
    Back up with trailer without lurching
• Custom Tuning from DuramaxTuner.com
  
  • Fully customized tuning with more than 100+ calibration changes from stock
  • No hacking wires into control units or fuel pump and turbo sensors
  • More power and less soot than box programmers
  • World Class Customer Service team that actually answers the phone!

Who Benefits from this Tune?

• Over-the-road driver or tows things for a living
• Large boat owners
• Pulls construction equipment
• Welding rig with lots of added weight
• Need to tow in the toughest situations
• Tow trucks and heavy service trucks
• Tows 10,000 miles or more every year
• Tows through hills, mountains and inclines
• You can use this to tow lighter, but you'll get slightly better MPG with our Light Tow tune
• Better yet, get all five of our custom tunes with Switch on the Fly 

Hardware Included

Modified ECM Included (Engine Control Module)

• We stock modified ECM hardware and ship directly to you
• Remove your factory ECM and replace with our Modified ECM
• Flash our custom tunes using the RTD Hardware and required HP Tuners CreditsMPVI3 Hardware by HP Tuners Included
  
  

MPVI3 Tuning Hardware By HP Tuners

• Connect > Read > Edit > Write > Drive.
• Equipped with Bluetooth®, Proprietary Expansion Port, and Mobile Device Support
• Makes it faster and easier to read, edit, and write your vehicle’s software.
• VCM Editor and VCM Scanner and programming/USB cables, making up the essentials of VCM Suite - one of the most powerful and inclusive scanning, diagnostic, logging and calibration products on the market.
• Full support for our latest rendition of Track Addict - the fastest scanning, logging and data transmission rates to ensure you capture everything.
• VCM Scanner, the most powerful and comprehensive scan tool on the market.
• 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. Command control functions like a closed loop, fans, gear select, timing, air-fuel ratio and so much more all in real-time. 

HP Tuners Universal Credits Included

• 8 credits required for ECM tuning

Transmission Tuning Included! 

• 10-Speed Allison Transmission for 2020+ L5P Duramax

The 10-Speed Allison found in your 2020-2023 L5P Duramax earned its reputation for excellence largely because of the advanced electronic control provided by the TCM (Transmission Control Module). Changing that factory calibration is especially important for you when you modify your truck and/or install ECM Tuning. Custom TCM Tuning gives you quicker shifts, smoother operation and an overall a better driving experience.

• Transmission Tuning
  • • Works with ECM Tuning to provide smooth shifting and superior drive-ability
    • Torque converter lockup strategy helps you put power to the ground when you need it the most
    • Improve clutch holding capacity with increased line pressure
    • Makes your truck feel more powerful
    • Prevents short-shifting in performance applications
    • TCM Tuning in the best tool to ensure your engine is operating within its preferred rev range
• TCM Tuning is especially important for trucks with:
  • • Custom ECM Tuning
    • Larger tires (35”+)
    • Modified turbo(s)
    • Built transmission
    • Any modification that impacts 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
• Modified TCM (Transmission Control Module)
  • We stock modified TCM hardware and ship directly to you
  • Remove your factory TCM and replace with our Modified TCM
  • Flash our custom transmission tune using the RTD Hardware and required HP Tuners Credits
  • Ship us your factory TCM; we will refund you $700 when confirmed in working order

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