Central locking – all doors not always locking/unlocking

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Boost Pressure
Posts: 4
Joined: Thu Mar 07, 2013 1:30 pm
Passat model: B5.5

Central locking – all doors not always locking/unlocking

Post by Boost Pressure »

My central locking is playing up.

When I try and lock the car with the remote, not all the locks go down reliably and the sidelights don’t flash.

When I try and unlock the car with the remote, not all the locks go up reliably.

Various reattempts at these will usually get the doors to unlock/lock but sometimes I have to get in and actuate the door release handle or lock pin which seems to ‘free’ the mechanism and make the door cooperate.

I’ve got the following fault codes:

00928 - Locking Module for Central Locking; Front Driver Side (F220)
27-10 - Implausible Signal - Intermittent
00929 - Locking Module for Central Locking; Front Passenger Side (F221)
27-00 - Implausible Signal
00930 - Locking Module for Central Locking; Rear Left (F222)
27-00 - Implausible Signal
00931 - Locking Module for Central Locking; Rear Right (F223)
27-10 - Implausible Signal – Intermittent


I cleared them down and these ones immediately reoccurred:

00929 - Locking Module for Central Locking; Front Passenger Side (F221)
27-00 - Implausible Signal
00930 - Locking Module for Central Locking; Rear Left (F222)
27-00 - Implausible Signal


Any wisdom from previous sufferers appreciated :-bd

PS I've done the pollen filter rework and my CCM/carpets are dry.

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