TECHNICAL SERVICE BULLETIN: OUTSIDE REAR COMBINATION LAMP HARNESS REPLACEMENT - This bulletin provides the procedure to replace both outside rear combination lamp harnesses on some 2018-2019MY Sorento (UMA) vehicles, produced from January 2, 2018, through September 30, 2018, which may exhibit an intermittent inoperative brake light with the possibility of a "Check brake light" warning on the instrument cluster display.