Smarty JR J-06 Programmer

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  • Regular price $695.00
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Warning: This part is intended for use on racing vehicles that are used exclusively for competition in closed-course racing events.

Smarty Jr J-06 is a tuner designed for allowing complete customization of your critical vehicle parameters. It forges a delicate balance between reliable power delivery and safety of the engine/transmission combined with good fuel mileage. Smarty has and will continue to be a trusted name in Duramax tuning.

  • Highly optimized CaTCHER software supporting over 15 billion possible tuning customizations
  • Three different performance levels: 40|70|100 hp
  • Organically and reliably works with your OEM hardware
  • No traces left in the ECU
  • Built-in USB for simple updates over the Internet
  • Reads Diagnostic Trouble Codes in plain and simple text
  • Three times faster download speed than the nearest competition
  • Simple plug and play installation: No tools required
  • Lowest exhaust gas temperature in the industry
  • Enhanced adjustability and potential for even greater mileage gains by using PoD Software
  • Ability to adjust timing and torque management to suit your needs

Power Gains

Dodge / Cummins: Up to 100 HP

Vehicle Fitment

Dodge / Cummins: 2003 - 2007

Top Features

Just Performance. Not Heat.

Even when used at the highest horsepower level, typical exhaust gas temperatures are on average 200°F cooler than with stock software. That is true optimization.

Unleashes Power Without Voiding Your Warranty

No matter what the competition claims, Smarty tuners are the first and only of their kind that do not erase any of the stored data or leave traces of existence in the Engine Control Module.

Convenient and Lighting-Fast Updates

Smarty Jr J-06 is loaded with its homebred bootloader to allow convenient and faster flashing up to three times faster than Star-Scan diagnostic tool or any other competitor. Pulling fuses after an interruption during updates are things of the past. Just turn the key OFF and ON and Smarty does everything else on its own.

CaTCHER software

One of the best in the industry, CaTCHER brings the power right off of idle so that you can experience the power increase throughout the entire RPM range.

What's in the Box

  • Smarty Jr J-06
  • OBD-II cable
  • Instruction manual
  • 1 sticker

Does the J-06 support Shift-On-The-Fly?

No. Smarty Jr J-06 does not support SOTF.

How Do I Update my Smarty Jr J-06?

STEP 1: Go to
STEP 2: Go to downloads section.
STEP 3: Choose your model (Smarty Jr J-06)
STEP 4: Select the downloader tool according to your operating system
STEP 5: Install the tool
STEP 6: Again go to the downloads section and download the software update for categorized for your model
STEP 7: Unzip the driver files into a new folder
STEP 8: Plug Smarty in the USB port of your computer
STEP 9: Windows will recognize the Smarty and ask to install default drivers. (Auto installation for Windows 7 and above)
STEP 10: Open the €œSmarty USB application€� installed in Step-5.
STEP 11: Click on File on top left bar. Select Open.
STEP 12: Select the file unzipped file from your desktop. Extension should be €œ.srt€�.
STEP 13: Click Send button. Prompt appears saying €œErasing memory. Please wait€�. Do not unplug the smarty out during the process.
STEP 14: Later simply unplug the Smarty from USB and use it with your vehicle.

Follow Along Here:

How do I engage high idle with the Smarty Jr J-06?

Connect your Smarty to the vehicle's OBD II port and engage the high idle by using the cruise control function. Be sure to update your Smarty Jr J-06 before engaging.


Time Required: 5 to 10 minutes
Difficulty: Easy
Tools Needed: None


Smarty Jr J-06 User Manual

Other J-06 Resources


Hardware Installation & Walkthrough

Updating Your Smarty Tuner