![Heavy Duty Green J1939 to OBD2 adapter.](http://optimalindustries.com/cdn/shop/products/j1939_green_large_db885726-21c7-4148-ae29-6378633b437a_512x512.jpg?v=1639506656)
Heavy Duty Green J1939 to OBD2 adapter.
This adapter allows you to Read, Flash, datalog and view/clear diagnostic fault codes on your 2017+ HD Cummins using an Autocal V3 or Flashscan HD device.
Adapter (SAE-J1962 to SAE-J1939) - J1939 9-pin Green Deutsch connector to 16-pin SAE-J1962 adapter to suit most Cummins HD On-Road 2017+ vehicle applications.