Cant unlock passenger door with central locking

shifty_uk · 27 Jan 2015 at 11:04

Car seems to have developed a problem unlocking the passenger door on the A3 this past month. (Just when I've been trying to get rid of it!

)

Wont open with the double click key fob or the unlock button within the car. There's no 'click' when I stand next to the door. Everything else, including the boot opens fine.

Sometimes I can get it to open no problem, the error seems to be occurring 70% of the time but generally I need to wait until the next day to try again.

Any ideas? Sounds electrical to me but I've no idea where to begin. There's no apparent leaks or condensation inside the car and all other electrics are working fine.

Cheers

spoffle · 27 Jan 2015 at 11:07

Does it have a child lock?

shifty_uk · 27 Jan 2015 at 11:13

Nah, that was my first thought. Only switches on the doors are for the alarm motion sensors.

justalex81 · 27 Jan 2015 at 11:15

the lock unit needs replacing. door skin off job. what age is the car?

Orionaut · 27 Jan 2015 at 13:14

justalex81 said:
the lock unit needs replacing. door skin off job. what age is the car?

Replace this before it becomes unusable.

If it fails completely in a deadlocked condition you will be in a world of pain!

shifty_uk · 27 Jan 2015 at 14:07

When I open the door from the inside (using the handle), it opens perfectly, without fault every time. Even when the fob doesn't work.

It's only the central locking that wont activate the release.

Richie · 27 Jan 2015 at 20:29

Yes but if you deadlock the car then the interior handle wont open the door. Dealocking a car is to prevent someone from smashing a window and unlocking from the inside.

Vertigo · 27 Jan 2015 at 20:34

Richie said:
Yes but if you deadlock the car then the interior handle wont open the door. Dealocking a car is to prevent someone from smashing a window and unlocking from the inside.

If you press the lock button on the remote a second time within two seconds it will deactivate the deadlocks. Not quite as secure but might be safer until you get this sorted.

shifty_uk · 29 Jan 2015 at 08:21

Cheers guys, I'll call the garage, see what they see. Was hoping a DIY job and a bit of WD40 would do the trick!

Richie · 29 Jan 2015 at 18:48

Vertigo1 said:
If you press the lock button on the remote a second time within two seconds it will deactivate the deadlocks. Not quite as secure but might be safer until you get this sorted.

Eh?

Double pressing the lock button turns the deadlocks ON, not off.