The Grove Racing driver qualified fourth for today's opening race courtesy of his efforts in the single-lap dash.
However his Mustang failed post-session technical checks, Supercars Head of Motorsport citing his rear wing being too high on the TV broadcast.
As a result Reynolds has been disqualified for the Shootout and will start the race from 10th position, sharing the fifth row with Thomas Randle who was a DNS due to his practice crash.
