Need help try to scan my truck and code $06ff: Checksum failure

[jgt1928]

What is this code and what do i do to fix it i am using the v2 on a 02 lb7

[fatelvis7]

Same problem here...

[jgt1928]

HEY bud all it is tell you to do is try again make sure all of you cables are plug in good and dont touch anything after you start it i hope you got it going