Toyota corolla immo off

[radiorepair]

hi,
i have a Corolla engine control E3 4E-FE
ECU 89661-1A760
211000-5200 12V FUJITSU TEN LIMITED

and immo box 89780-12060 with 93LC66 ,i read it with ELNEC BEEPROG+ 93LC66 AND 93LC66 8 bit
customer lost all keys.
any off solution or need a new blank key ?
thnx in advance