Probably somewhere on the little circut board a crack has developed or a little solder joint has come loose,if it was working fine you probably dont need to see if its still programmed to the car,as it can happen
SOURCE: porsche key fob
If the key had gone faulty, the key code must be re programmed on the vehicle computer. This can be done only using a PIWIS tool, available at the dealer or at a qualified Porche garage.
Try also the following reset:
turn ignition on,
turn off.
remove
the transponder from the column
push any button on the fob within 6
seconds.
This procedure will reset the key synchronizing again with the vehicle computer.
SOURCE: renault megane key fob wont work
I had the same problem with mine
your key fob is now out of sync with the ECU to sync them just follow this link (renault will charge up to £180 for new key and to sync it)
http://renaulthelp.110mb.com/ImmBypass.html
SOURCE: key fob wont work
the battery part just use a flat screwdriver, or if you are like my wife a butter knife, and pop off the back and go get a battery. You should not have to reprogram the remote. I just bought a 98 lincoln and the battery was dead in the remote also and all I did was replace the battery. hope this helps.
SOURCE: key fob not working after changng battery
Bring it to a "Batteries Plus" type store; they can repair the fob if it is ony a broken battery clip. They did it for me for free! IF it is not the fob, then bring it to a dealer??
SOURCE: renault key fob doesnt work
Hi.
I have a clio II, 2001, i have the same problem and i fixed it.
Don't know if will work for you but here it goes:
1 - no key in ingnition
2 - press the unlock button in console off the car for about 10 seconds(dont let go)
3 - it should work the central doors one time and then 2 times( hear)
4 - press the remote a few times until it starts working
It worked for me hope the same for you.
Please tell me if it worked and pass the message.
Good luck
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