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urgent help. My 172 won't unlock or start



  Roadster Coupe
Used my car as normal in the day, went to open it in the night and the central locking will not work. so the only way to get in my car is to use the key but the alarm goes off and I can't turn it off. The car won't start either becuse of the immobilser. The batteries in both my keys new so it I guess it aint the keys. Does anyone here know what could be wrong?
 
sounds like the key's are broken if they're not disarming the immobiliser. Maybe lost their settings.

they're around £90 each from Renault, before programming them which is £30 a key. They're also ordered from France and take around 5 days to arrive.
 

lemonnobby

ClioSport Club Member
try to rest the keys mate press and hold the lock button down while all doors are shut with you inside when you hear it double lock so to speak let go of the switch and press the keys three times i think and it may work. not sure if this works on MK2 172 worth a try though.
 
M

mij29

Could the battery be flat on the car?
This weather takes alot ot of them.
 
  Roadster Coupe
No its not the battery because all the other electrical stuff is working. Gonna have to take it to a renault garage by the looks of it.
 
  1.2 16v Dynamique.
It could still be the battery even though your electrics seem to be fine. Sounds odd that its both the central locking and the immobiliser at the same time as the button on your key works the locking while a chip in the key sorts out the immobiliser when inserted into your ignition. Get your battery checked properly before your get your eyes took out by renault.
 
  Roadster Coupe
Just took it the renault garage and they said the ECU was broke. Gonna cost £400 to fix it, oh well. thats all i need b4 xmas
 
  1.2 16v Dynamique.
Did they do a diagnostic on it? If so and it came up with ecu than fair enough I guess but if not get the car battery checked first. Sometimes, especially in the winter when batteries get hammered and even though the ignition lights etc look ok the battery might not be left with not enough power to turn off things like immobilisers etc. Make sure your boot light goes off when the tailgate is closed as its quite common on clios to stay on and drain your battery. Good luck
 
  Roadster Coupe
Yeh they rang a diagnostic, said the relay had gone on it. Got my car back now, the central locking working alot further away now than it used to. I had 2 stand right by the car before to get the central locking 2 work.
 
  1.2 16v Dynamique.
Nice one! Just got mine back from Renault too. Mine needed a new key as immobiliser would not come off. £114 inc vat for the blip and coding.
 


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