1. Check for continuity between the No. 4 terminal of the tailgate closer unit 12P connector and body ground.

Is there continuity?

YES | - | Repair a short in the BRN (CLOP) wire between the No. 4 terminal of power tailgate control unit connector A (26P) and the No. 4 terminal of the tailgate closer unit 12P connector.■
NO | - | A short circuit for CLOP line in the tailgate closer unit; replace it.■