The following are known Gecko Codes for Excite Truck on Nintendo Wii (Wii).

escape boundaries toggle -+2 [wiiztec]
2837C80A 00001100
041A5D1C 4BFFFDB5
CC000000 00000000
041A5D1C 60000000
E0000000 80008000
This lets you drive through those invisible walls with the moving arrows

go your own way toggle -+1 [wiiztec]
2837C80A 00001200
04190974 981C0034
04190A04 981C0034
041B14CC 90030000
CC000000 00000000
04190974 60000000
04190A04 60000000
041B14CC 60000000
E0000000 80008000
with this code no way is the wrong way
If you turn it on while already going the wrong way you will have to turn around to make the message go away, but it won't reappear when you turn around again

no laps toggle ++- [wiiztec]
2837C80A 00001010
041B1660 909E0014
CC000000 00000000
041B1660 60000000
E0000000 80008000
use with no time code for a free run mode

easy air toggle -+A [wiiztec]
C2192740 00000003
3D808000 618C0000
93CC2FF4 C03E25D4
60000000 00000000
2837C80A 00001800
CC000000 00000001
48000000 80002FF4
DE000000 80008180
140025D4 43FA0000
E0000000 80008000

emergency break turn 1+2 [wiiztec]
04191B30 C3A29F90
2837C80A FCFF0300
04002FF0 40000000
C2191B30 00000002
3D808000 618C2FF0
C3AC0000 00000000
E0000000 80008000

bumper cam/leave your truck behind toggle A+1 [wiiztec]
2837C80A 00000A00
041A60A4 4BFE2D89
CC000000 00000001
041A60A4 60000000
E0000000 80008000
off by default

hyper mode toggle ++A [wiiztec]
2837C80A 00000810
04178BD8 808DDAC4
CC000000 00000001
04178BD8 60000000
E0000000 80008000
makes everything fast and jerkey

unfazed by crashing toggle A+2 [wiiztec]
2837C80A 00000900
04189BB8 48004835
CC000000 00000000
04189BB8 60000000
E0000000 80008000
on by default

flips [wiiztec]
04192E0C C0029F94
04002FF4 00000000
2837C80A FBFD0402
04002FF4 40800000
2837C80B FBFE0401
04002FF4 C0800000
22002FF5 00000000
C2192E0C 00000002
3D808000 C00C2FF4
60000000 00000000
E0000000 80008000
B+up - front flip
B+down - back flip

barrel rolls [wiiztec]
04191B98 EC3D0032
04191B30 C3A29F90
04190678 C0629F90
04002FF8 00000000
2837C80A FBF70408
04002FF8 41200000
2837C80B FBFB0404
04002FF8 C1200000
22002FF9 00000000
04191B98 60000000
C2191B30 00000002
3D808000 C3AC2FF8
60000000 00000000
C2190678 00000002
3D808000 C06C2FF8
60000000 00000000
E0000000 80008000
B+left - barrel roll left
B+right - barrel roll right
if you want to use this code with emergency break turn remove the second line and have emergency break turn come before this on your code list

B+down back flip

Infinite Turbo [farjo08]
04185FBC D03B25A0

Zero Time [farjo08]
04151514 d05b08d4

Max Stars [farjo08]
C214a3a0 00000002
3E40461D 3A523C00
92550014 00000000