CHEVROLET: THE POWER LIFTGATE OPENS AND THEN REVERSES AND CLOSES; NO CODES SET. THIS MAY BE CAUSED BY THE HYDRAULIC LINES GOING TO THE LIFTGATE HYDRAULIC ACTUATOR WHICH ARE TWISTED. IF LINES ARE TWISTED, MAY GET PINCHED OR RESTRICTED AS THE LIFTGATE IS OPENED. *PE UPDATED 3/26/10. *PE UPDATED 4/4/12. *PE
