- As of March
2007, the DDTuner software package is the FIRST and ONLY
software editing solution for custom tuning the 1996-2003 6.5 Turbo
Diesel from GM. Covers the latest 37 current calibrations from GM.
This includes the VIN "S" and VIN "F" trucks, all models
including the H1 Hummer/AM General
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DDT was the first available (2003) editing and reprogramming system for the 2001-2005 Duramax Diesel,
2006 H1 and HD/MD models.
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The DDTuner gives you the ability to read, modify and reprogram any 2001-2005 Duramax
powertrain control module (PCM) including 2006 H2 with LLY.
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Easy to browse
interface without confusing icons and redundant tables.
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Rewrites calibration section only (faster programming) or the entire
software section for a custom operating system.
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Software automatically clears trouble codes before reading or writing PCM
to prevent communication errors.
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VIN check and software and calibration verification level check must
be performed prior to reprogramming the included calibrations for the
6.5TurboDiesels.
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All torque management and abuse modes editing.
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Ability to adjust engine rev and speed limiting for all years
(raising speed limiter requires speed rated tires)
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Adjust transmission parameters for the 4L80E (6.5 Turbo Diesels).
You're finally able to lock the torque converter in any gear you
choose.
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Ability to adjust for any tire size or differential ratio change
(Duramax only)
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Modify the fuel tables for more performance and mileage
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Modify allowed boost limits and variable vane position on the LLY
models.
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Defeat EGR systems without any add-on gadgets.
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Modify injection timing in all temperature modes to solve cold
timing issues.
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Modify rail pressure and limits if desired for better injection
atomization.
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Ability to solve transmission shift problems and improve shift quality
.
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Total DTC (Diagnostic Trouble Code) function test disable --
great for aftermarket turbos or other applications for boats or custom
vehicles.
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Complete DTC list for check engine light disable -- all model year
trouble codes (It may be against the law to modify these values).
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Glow plug timer modification for better cold starts in colder climates--priceless
for the 6.5 Turbo Diesel.
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Passkey disable and BCM communication disable for Offroad
installations
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Enables ability to rescale the fuel tank(s) and fuel guage for larger tank
installations
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New PTO functions
as well as cruise control modifications
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Copy and paste with a mouse click instead of
clumsy drop down menus and
PRINT tables within the editor to show
your client what you modified for them.
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Modify tune directly in the graphing mode--drag graphs or 3D
environment.
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Full compare between two calibrations (same calibration model only)
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Copy and paste
tables from a known good file to the other
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Ability to lock your tune so the competition can't see your
modifications
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Preference to tuning shops with chassis dynos and proper test/scanning
equipment.
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Best of all...NO LICENSE LIMIT ! Tune unlimited vehicles. Free updates on request as new parameters are
available. (These are no longer automatically emailed
out--you must request them).
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Roadrunner USB
Drivers here...usb_drivers.zip
these are needed for the DDTrealtime unit for realtime Duramax
2001-2004 LB7 tuning.
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All 6.5 Turbo Diesel support is a free upgrade for our DDT and GMT
customers.
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Software operating information
here.