• Thermo King TriPac Evolution Diagnostic Tool

    The Thermo King Auxiliary Power Unit (APU) is perhaps one of the most common generators you will find on today’s commercial trucks. APU’s are truck-mounted generators that allow drivers to run electrical components, along with their heating & air conditioning system instead of running their engine.

    While they do use diesel fuel, they have substantial advantaged overs running your main truck engine. This includes the fact they are much quieter, they also use less fuel. The TriPac Evolutions is the current model from Thermo King and only requires maintenance every 2,000 hours. You can learn more about this technology on the Thermo King APU website.

    Quite often we are asked about diagnostic tools for the APUs. The good news is there is a solution, and the better news is that it is absolutely free! The software is called Thermo King Evolution Service Tool, and it also requires no special cable. You just need a USB to Mini-B USB cable, which is in stock at virtually any retailer you can buy one right off Amazon. If you want the genuine Thermo King cable, you can call your local Thermo King dealer and buy part number 204-2000.

    The Thermo King Evolution Service Tool for APU’s does require Windows 10.

    The Thermo King software will allow you to perform functions such as:

    • Setup and run-in of new units after installation
    • View and clear fault codes and alarms
    • View real-time diagnostic information
    • Perform software updates
    • Perform test and commands on the API
    • Download data logs
    • Perform system restarts

    ThermoKing TriPac Evolution Download Form

    Please fill out the form below and a download link will be emailed to you. 

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    Tyler Robertson

    Tyler Robertson is the Founder, Owner, and President of www.DieselLaptops.com. Started in 2010, DieselLaptops.com has become the premiere source of diesel diagnostic equipment for commercial trucks, off-highway equipment, marine, motorcycle, automobile, agriculture, and more.


    Doug - December 6, 2022

    Worked fine, no password required (for me). You guys just saved me about one day wasted, $180 for fuel, and who knows what service charge for the two simple changes I needed made to the STBY start voltage and the stop amps to accommodate my new AGM batteries. Thanks!

    For anyone who’s initially perplexed, the mini USB plug can be found in the 9″ × 12″ black plastic control box most likely located under your bunk. Look at the schematic which should be glued to the top of this box for its precise location on the circuit board inside.

    Joe - July 26, 2022

    Good company!

    Mickenzey Neal - July 26, 2022

    So happy that I found this! It has helped soooo much.

    jose - May 27, 2022

    very very good company

    Marty - May 27, 2022

    Thanks for this. Very helpful for an owner op trying to stay afloat

    Mark McCoy - May 27, 2022

    It will be great to be able to diagnose and work on my own tri-pak

    Mark McCoy - May 27, 2022

    It will be great to be able to diagnose and work on my own tri-pak

    Eduardo Martinez - May 27, 2022

    Fast and easy to use…

    Bryan Dickerson - May 27, 2022

    first time trying this will let yall know how it works

    ANDRII - July 26, 2022


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