R2+L2 turning off PSC in the middle of a game

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Hi everyone! Would be glad if you could help me out with this issue..
I'm trying to play Gran Turismo on PSC with Autobleem 1.0 with a DS3 controller (wired) but whenever I hit R2+L2 (accelerating and braking) on the game, the console shuts off!!!!, This is really weird
The reason I'm using a DS3 controller is for the analog supports, they work fine on the game but with this weird bug that keeps turning off the console even during gametime :/ Is there any way to disable this function?
Issue doesn't happen with original PSC controller..

submitted by /u/zvintaoo
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