L2 Button NOT working

ive done installed this program properly (just like what guide told)
and i have problem why my L2 button cant work ?
and this issue also happen when im using the scptoolkit

*edited : im using ds3

What program? We have many. Please be more specific if you expect proper support.

sorry for not giving full detail
and im using fake ds3

USB or wireless? The software simply translates what it receives so it's either an issue with the aftermarket controller or a hardware defect.

wired... i think soo