550 lock problem - Ferrari Life
 
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post #1 of 3 Old 03-04-2013, 01:54 AM Thread Starter
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Location: Exeter, England
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550 lock problem

My locks are behaving oddly. I wonder if anyone has any ideas what the cause / solution may be. Symptoms are:


Fob locks the door next to which it is held, but not the other one, so you can have one door locked but not the other!


Fob sets and cancels alarm as normal and if you open a door when it is set (which, of course, you should not be able to do), it goes off.


Key locks one door only – not the other, and that door unlocks after you have tried to open it - if you pull the handle a second time, it opens.


That’s about it. Very annoying and not conducive to leaving the car anywhere but in my garge, which is a bit limiting!

Any suggestions will be very welcome.

Best wishes, John
Ferrari: 550 Maranello S/N 110995, Dino 246 GT S/N 6934
Other: 1990 Bentley Turbo R, 1989 Porsche 911 C2, 2004 Mercedes 500CLK, 2011 Mercedes E350 CDI, 1972 VW T2 Camper, 2014 Fiat 500C, 1963 Jaguar E-type 3.8 FHC, 2015 Maserati Granturismo Sport
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post #2 of 3 Old 03-04-2013, 04:29 AM
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Location: Cesena - Italy
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Hi John,
I had a similar problem in my 550 on last year.

- When i tryed to close by fob all doors closed for two seconds and after are rejected and open.

- same problem if i tryed to close by key.

Very annoying problem for leaving the car anywhere .....

The problem, in my case, was a hardening of the mechanism of door aperture (red colour rectangle in a attached picture) due to a old grease lubricant.
I dismantled mechanism, washed by petrol, and remounted with new grease and all function ok.

I don't know if is useful for your problem, I hope.

Regards
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Fabio

PRESENT: 575 F1 HGTC ROSSO CORSA 2004' - MB CLS 350 CGI 2007'
PAST: 550 ROSSO CORSA 1998' - MB CLK 240 2002'
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post #3 of 3 Old 03-04-2013, 01:18 PM Thread Starter
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Thanks Fabio. May well be the answer.

Best wishes, John
Ferrari: 550 Maranello S/N 110995, Dino 246 GT S/N 6934
Other: 1990 Bentley Turbo R, 1989 Porsche 911 C2, 2004 Mercedes 500CLK, 2011 Mercedes E350 CDI, 1972 VW T2 Camper, 2014 Fiat 500C, 1963 Jaguar E-type 3.8 FHC, 2015 Maserati Granturismo Sport
Website: http://bluebottleonline.com/
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