Key fob is not working checked battery ok, programed it still no central lock ing working. Open manullay and still immobilizer stays on. The lock barrel seems a bit iffy!
Would a lock barrel off another c2 a year earlier 04 work or would it not work being a differant lock with the ecu?
The engine will turn over but not start, the central locking just will not work at all done all trying to set key fob etc. But the lock barrel seems to be not right. The key can go right round and takes a few wriggles to unlock. And as i say when you put key in to start the battery light is flashing the headlights are on even though they are off,
You say the fob battery is o.k , to test you would have to be in key fob , check transponder chip has not been dislodged . Strip down door trim and check operation of linkage when turning the key and spray with WD40 , working back and forth . Likewise with key barrel in door lock .If still having problems , scan for fault codes or get an auto electrician to check out .
As far as I know , on that car locking manually only locks / opens the drivers door . If central locking was working as it should it would work with inside locking button But looks like a BSI / immobiliser fault