"GM Dexron-VI(J) licensed products have a license number on the container that begins with the letter J. Example: J-60301."

https://en.wikipedia.org/wiki/DEXRON#2005_%E2%80%93_DEXRON-VI(J)

Dexos licensed products:

https://www.gmdexos.com/

Michael Joachim
Owner
Mike Joachim
Pelham, Alabama, USA