This Diesel Laptops converter adapter is for vehicles that have data traffic on CAN 3, instead of CAN 1. Specifically, the following vehicles have engine data traffic on CAN 3, while all other engines use CAN 1. This means your tool won't read engine data without the proper connection.

Known Vehicles with CAN 3 Traffic
2016 & Newer Peterbilts
2016 & Newer Kenworths
Cummins Engines.

This adapter cable works with all known vehicle diagnostic adapter manufacturers, including:

Nexiq - USB Link original and USB Link 2
DG Tech - DPA5 and DPA5 Plus
Noregon - DLA 2.0+
DrewTech - DrewLinQ & TVIT
Cummins - Inline 5, 6, & 7
CAT - Comm III

... and many more. This purchase now includes a free 30 day subscription to Diesel Repair!