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Hi, im new to the forum and the endless money pit of renaults but what i do know is that you cant use another card without having it re-programed.
I have the same problem where my card dont work to lock the doors.
In my view you have 3 options -
1) take the card appart and see if any solder contacts have come lose etc
2) take it to a local lock and key specialist (my local shop does them cheap)
3) Reanault dealers = £150 for new card

Hope this helps
 

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Just relaised its the card reader and not the actual card your talking about, sorry my mistake.

I would say that the card reader will need to be matched up to the ecu otherwise every thief out there would just use any laguna key card to break in
 

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Card readers are interchangeable and not uniquely coded :) The UCH and ECU are coded and what decode the information from the keycard.
 

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Discussion Starter · #5 ·
all i want to do is change the key card reader for a used one as i have a scrap renault laguna. i just dont want to change it then i cant use the car if there is a way plaese tell me thanks.
 

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and you probsbly know how to do it, but from memory i think you pull out the ashtray, undo 2 screws and the reader pops forward.
undo the connector on the back and hey presto.
it could be worth checking for dust inside your present one if it's not reading the card.
 
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