The spin bowling great is likely to be charged as early as Thursday, with an Australian cricket "code of conduct" breach.
He is expected to be asked for a "please explain" for slow over rates from his high profile Melbourne Stars franchise in Wednesday night's dramatic last-ball semi-final loss in Perth.
Warne looks certain to be charged under governing body Cricket Australia's "spirit of the game" laws after a slow over rate when Perth batted.
Warne was only returning to his Stars line-up after serving his controversial one-game ban for his on-field spat with West Indies star Marlon Samuels at the MCG on January 6.
Warne was also fined $4500 in an ugly incident when he grappled and grabbed Samuels by his jumper.
The former Test superstar is headed for more conflict with authorities with potential claims he was not his side's official captain in the semi-final loss to the Scorchers.
Warne handed the official captaincy on team sheets and for the important pre-match toss to all-rounder James Faulkner.
But for the rest of the match and certainly during a dramatic Scorchers second-innings run chase and spine tingling last over of the game, Warne was clearly in charge.
Match authorities are expected to claim that Warne should take blame for a slow over rate.
He is likely to be charged for a breach of Rule 5 governing "Laws of Cricket and Spirit" of the match.
A memo is understood to have been sent to all Big Bash franchises before the tournament launched on December 7.
The statement read: "If a team's official captain is selected but not named as captain, this will be considered against the Spirit of Cricket and may attract a Code of Behaviour charge."
Any hearing for Warne has not been set.
Warne, 43, has been a major drawcard and publicity face of this summer's Big Bash series but has not yet declared whether he will play again in Australia's domestic Twenty20 series.
It is unclear if the game's greatest ever leg-spinner has a third year in his contract with the Stars.
The Scorchers smashed their way in Saturday's grand final against the Brisbane Heat with an eight-wicket victory against the Stars.
The Stars made 2-183 off 18 overs in the rain-affected contest, with the Scorchers chasing down the revised victory target of 139 off 13 overs in the final ball of their innings.
Strangely, Warne didn't bowl during the match.