Renault megane2 card drains battery

[newone]

Hello

i have programmed a megane 2 card,immo ok remote ok but after a few months card drained battery,changed battery on card and after a week same problem,batteries good quality card china made,any ideas?is it because low quality card and not original?

[klesk1986]

Check the card for water contact. Maybe customer flood the card

[newone]

Check the card for water contact. Maybe customer flood the card
i did,but card was ok,same thing in another two occasions

[TERMINATOR1000]

423458 bad remote , smd or transponder component . Test the resistance at the battery terminals