Neil Harris has been given a £2,000 fine and one match touchline ban for his red card at Wycombe. He was charged with using abusive and/or insulting language towards a match official.
A statement on the FA Spokesperson Twitter account said: "Cardiff City FC's Neil Harris has been suspended from the touchline for one match and fined £2,000 for a breach of FA Rule E3 that occurred during an EFL Championship match against Wycombe Wanderers FC on Tuesday 29 December 2020.
Harris will serve his touchline ban during Cardiff's FA Cup tie against Nottingham Forest