Trundle was shown the red card for a two-footed tackle on Jamie Clarke in the League Two game at the Vetch.
Trundle now faces a three match ban which could all but end the Swans hope of promotion if they face three games without their prolific marksman.
Englishman Trundle insists he won the ball with a one-footed challenge, verified by a
Speaking earlier today Trundle said: "It was ridiculous, really, because it wasn't even a two-footed challenge and one of their lads said as much to me straight after the referee pulled out the red card.
"We've asked the referee to have a look at the video and hopefully he will now reconsider in the next day or two."