Check for continuity between the No. 10 and No. 12 terminals of power tailgate control unit connector A (26P). Is there continuity with tailgate outer handle pulled, and no continuity with tailgate outer handle released?
YES | - | Faulty power tailgate control unit; replace it.■
NO | - | Repair an open in the WHT/RED (OHSW) or YEL/BLK (SCOM) wire, or faulty power tailgate outer handle switch: replace it.■