The diagnostic plug is located behind the vaporizer near the FTV (dither ) valve. Rectangular in shape with two wires.
You will require the Doosan/ Woodward software, connecting cables and interface as well as USB security fob.
If you have all that, upload "RBAK" update to SECM.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.