The following are known Gecko Codes for FIFA 13 on Nintendo Wii (Wii).

Button Activator [Bully@Wiiplaza]
28135400 YYYYZZZZ

All Overall Bonuses Completed [Bully@Wiiplaza]
C21A0C48 00000007
2C1B0001 40820028
38600005 907F63D8
38600014 907F1398
907F4D98 3860001E
907F0038 38600023
907F2798 807F0038
60000000 00000000

City Name Modifier [Bully@Wiiplaza]
42000000 90000000
0756A4FC 00000018
00SS00SS 00SS00SS
00SS00SS 00SS00SS
00SS00SS 00SS00SS
E0000000 80008000

Club Name Modifier [Bully@Wiiplaza]
42000000 90000000
0756A516 00000018
00SS00SS 00SS00SS
00SS00SS 00SS00SS
00SS00SS 00SS00SS
E0000000 80008000

Club Abbreviation Modifier [Bully@Wiiplaza]
42000000 90000000
0756A530 00000008
00SS00SS 00SS0000
E0000000 80008000

Home Team: Goals Modifier [Bully@Wiiplaza]
C228CA84 00000002
3800XXXX 90046F3C
60000000 00000000

Away Team: Goals Modifier [Bully@Wiiplaza]
C241D228 00000002
3800XXXX 90037294
60000000 00000000

Goals Are Worth X Goals [Bully@Wiiplaza]
045EBC08 3805000X

Home Team: Players Amount Modifier [Bully@Wiiplaza]
C226840C 00000003
2C1F0000 4082000C
3980000X 918300C8
800300C8 00000000

Away Team: Players Amount Modifier [Bully@Wiiplaza]
C2268410 00000003
2C1F0001 4082000C
3980000X 918300C8
7C1E0000 00000000
*Video: http://www.youtube.com/watch?v=TpJSQfBfT00

Red Cards Don´t Count [Bully@Wiiplaza]
04735D80 60000000

Time Control [Bully@Wiiplaza]
046CA1E0 38040001
046CA184 7C00E214
046CA1E8 60000000
046CA188 60000000
28135400 F9FF0600
046CA1E0 3800270F
046CA184 3800270F
046CA1E8 901D0008
046CA188 901D000C
E0000000 80008000
*Press 1 + B to finish half time, otherwise you can play forever*
*Video: http://www.youtube.com/watch?v=ijBVrSAf3W8

Timer Speed Modifier [Bully@Wiiplaza]
046CA1E0 3804000I
*Don´t use with "Time Control"*

Manager Mode

Infinite Transfer Points [Bully@Wiiplaza]
C2384C04 00000002
39800063 91830000
80630000 00000000

Infinite Budget [Bully@Wiiplaza]
C2384C24 00000002
3D806000 91830004
80630004 00000000
*Video: http://www.youtube.com/watch?v=-99udzmd2WI

Max Club Upgrades [Bully@Wiiplaza]
C2351000 00000003
38800012 908304E0
908304E8 908304EC
908304F0 00000000
*Video: http://www.youtube.com/watch?v=AGngjDdmcJs

Streets to Stadiums

Infinite Experience Points [Bully@Wiiplaza]
C2397734 00000002
38000066 9016004C
60000000 00000000
*Level up your player as much as you want*

All Attributes Maxed Out [Bully@Wiiplaza]
043976C4 38000063
*Enter "attribute" screen and confirm without doing anything to save the modified stats (it will have taken effect the next time you check)*
*Video: http://www.youtube.com/watch?v=S6V1CMhBla4

Hit the Streets

Home Team: Power-Up Meter Modifier [Bully@Wiiplaza]
C25F0F10 00000003
2C1EFFFF 4082000C
3D80LLLL 918371CC
C02371CC 00000000

Away Team: Power-Up Meter Modifier [Bully@Wiiplaza]
C2488120 00000003
2C1E0001 4082000C
3D80LLLL 918371CC
901D003C 00000000

Home Team: Power Up Modifier [Bully@Wiiplaza]
04948D48 PPPPPPPP
*Video: http://www.youtube.com/watch?v=CPQq28bhow0

Away Team: Power-Up Modifier [Bully@Wiiplaza]
0494FFD8 PPPPPPPP

Power Ups Last Forever [Bully@Wiiplaza]
045F0E04 60000000

Power Up Meter Never Decreases [Bully@Wiiplaza]
045F0DB4 60000000
045F0AC4 60000000
045F0AE4 60000000

Comments

*YYYY & ZZZZ Values*
Button mask & button values
http://www.geckocodes.org/index.php?arsenal=2

*SS Values*
ASCII letters converted to HEX

*X Values*
Decimal converted to HEX

*I Values*
Decimal converted to HEX

*LLLL Values*
Decimal (0-1) converted to Float

*PPPPPPPP Values*
00000015 = Power Shot
00000016 = Super Speed
00000017 = Side Shot
00000018 = Sliding Tacke
00000019 = Super Shoulder
0000001A = Gladly Big
0000001B = Shock Wave