Connecting to your vehicle for the first time
If you have just received your diesel laptop and need help on how to use your diesel diagnostic laptop for the first time, then this is the page you need to read.
1. You need to connect your laptop to your truck and the laptop with the usb cable. Make sure your truck is turned on with the key in the ignition.
2. Select the correct program to use with your engine. Below explains which program (icon) you should use on depending on your vehicle.
Diesel Tech or Universal Diag is universal and will work with all heavy duty semi truck engines and is very user friendly
For more direct programming you can use the original programs depending on your engine, transmission or brake system.
If there are 2 options available you can use either one
To use Diesel Tech or Universal Diag connect to your truck or Diesel engine correctly via the usb link cable to the laptop and the adapter to the vehicle. Then click connect on the top, and you are good to go.
Diesel Tech or Universal Diag will work with all engines and are universal.
Engines - (the icon you should click to setup)
Cummins - Diesel Tech or Universal Diag
Detroit Diesel- Diesel Tech or Universal Diag. Also Detroit Diagnostic Link Blue icon for newer vehicles and the red and white for older (Works only with the 2024 setup)
Cat - Cat ET Diesel Tech or Universal Diag
Cat Off-Highway- Cat ET (Will need the Cat Comm III adapter) Diesel Tech or Universal Diag as well
Paccar- ESA, Diesel Tech or Universal Diag
Isuzu- Diesel Tech or Universal Diag
Mack- Diesel Tech or Universal Diag
Hino - Hino DX, Diesel Tech or Universal Diag
Volvo -Diesel Tech or Universal Diag (If you want to use Techtool you will need the Volvo vocom adapter)
Maxxforce- NED Navistar, Servicemax, Diesel Tech or Universal Diag
Ford- Diesel Tech or Ford IDS (Ford IDS engines will require a VCM II adapter)
International- NED, Diesel Tech or Universal Diag
Toyota - Tech Stream
Mercedes Benz- Detroit Diagnostic Link, Diesel Tech or Universal Diag
Transmissions
Eaton - Service Ranger, Diesel Tech or Universal Diag
Allison- Diesel Tech, Universal Diag, or Allison Doc
To Use Allison DOC (instructions for 2024 kit only)
1. Click Connect
2. Deselect smart connect
3. Click Connect
4. Advanced setup
5. Select the last vendor NULN3R32 then your protocol j1939 is for newer vehicles
or you can select CAN or j1850 depending on your model.
6. Click OK and it will connect just find as long as the key is in the ignition
with all the dash lights on
Detroit Diesel - Detroit Diagnostic link (works with 2023 setup only). Diesel Tech or Universal Diag
Ford- Diesel Tech
GM- Diesel Tech
Mack- Diesel Tech or Universal Diag
Sprinter- Diesel Tech. Universal Diag, or Detroit Diesel Diagnostics
Volvo- Diesel Tech or Universal Diag
ZF- Diesel Tech or Universal Diag
Toyota- Tech Stream
Braking Systems
Bendix- Wabco toolbox/Diesel Tech, Universal Diag and Bendix
Ford- Diesel Tech
GM- Diesel Tech
Haldex- Diesel Tech
Sprinter- Diesel Diagnostic Link (needs the 2023 kit) Diesel Tech or Universal Diag
Wabco - Wabco Toolbox, Diesel Tech or Universal Diag
Toyota - Tech Stream
Wabash- Diesel Tech or Universal Diag
If you need help with connecting do not hesitate to contact us on the live chat or text our tech support at anytime.