430 drivers door won’t open

I recently had a related issue with my driver's door. There was too much play in the door handle. There is a adjustment that can be made to the play. You need to take the inside door panel off. There is a way to shorten the cable using a wrench. The difficult part is getting the door panel off and on. The easy part is making the adjustment. I admit that getting the panel off and on was more than my level of expertise so I had my dealer do the entire project. It cost a bunch but it fixed the problem.

 

Probably going to have to get the new door locking mechanism. It's not terribly expensive. It'll come complete with cables too. Switching out isn't a crazy hard thing to do but if you don't have experience wrenching any good mechanic can switch it out.

 

Pop the door arm rest cover off, you may be able to adjust the cable enough that the inside door handle can open the door. Then take off the door panel when the door is open and replace the cable or latch


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Here is a write up on replacing the latching mechanism. https://www.ferrarichat.com/forum/threads/installation-of-latching-mechanism.545657/

The cable has corroded and either broke or is "stuck" and not allowing the latching mechanism to move. Mine failed when I opened the door (thank goodness). As Mike said , you may be able to open the door if you can pull the armrest off and adjust the cable.

 

I had exactly same problem over winter hibernation in my 360. Outdoor latch felt that it wasn't connected to anything and inside latch was "stuck". I took the car to my trusted independent and he said that they managed to get the door open simply trying open the indoor latch bit by bit. I'm not 100% sure if they used the arm rest "hole" or not but they managed to get the door open and then the door card was simply to remove. They cleaned & oiled everything with "gun oil" similar to this:

https://lucasoil.com/products/out-door-line/extreme-duty-gun-oil

And the door has worked fine ever since. At least for now there was no need to replace anything.

 

I had exactly same symptoms with my car. With exactly same problem with passenger side door: It could not be opened as the outside latch was really loose and inner latch had so much resistance that I had not enough courage to pull it with major force. Can't help further as I took my car to my trusted independent who eventually got the door open. But he said that he did not had to remove inner door card while the door was closed, the lock mechanism eventually opened when he worked several times inner latch with medium force and kind of "pried" it open.

I'm sorry for my poor English spelling, but I do not encourage to tackle the mechanism with too much force as there's various (expensive) parts which can break. I believe safest way is to remove the door card as much as you can and go for there. There's nice DIY tutorial with pictures somewhere around but it will take some time.