At the Ricoh Arena, Jamie Clapham's side were a goal behind on the thirty minute mark with a screamer from Tommy O'Sullivan from the left hand side about twenty odd yards out.
City levelled sixty six seconds into the second half when Ben Stevenson swept the ball into the net.
The ninety minutes were up when Dion Kelly-Evans got the ball on the right and fired into the net to give City the win.
City: Addai, Dion Kelly-Evans, Haynes (Leahy 46), Lawton, Finch, Harries, Devon Kelly-Evans, Maycock, Trialist, Shipley (Finn 85), Stevenson. Subs: Hickman, Skuza, Albini.
Cardiff City: O'Reilly, Barnum-Bubb, Rees, Burridge, Watkins, Baker, Veale, Pattan, Healey, O'Sullivan, Roche (Phipps 82). Subs: Abbruzzese, Wakeman, Wharton, Noor (on 89)
HT CCFC 0-1 CCFC FT CCFC 2-1 CCFC
Goals Tommy O'Sullivan 30, Ben Stevenson 46, Dion Kelly-Evans 90
Referee G.Warren