Two other problems started at the same time.
Vw door lock module problems.
The lock unlock buttons on the same door don t work either.
If you have only one malfunctioning door then the culprit is likely a faulty lock actuator.
I would think that if the actuator in the door was bad that the buttons would still work and lock unlock the rest of the doors.
When i lock unlock the.
Vw has not released the fuse box diagram for this model and i have searched the internet and came across your site which is very helpful.
When the doors are closed and the fob lock button is pressed noticed that the red led light on the drivers door indicates a lock system malfunction.
Passat door lock mechanism repair.
The last problem is with the door lock indicator.
I believe but am not certain that the two buttons on the driver s door for trunk and fuel filler release are wired to the ccm directly so any failure of the data bus wouldn t affect those buttons.
So my sisters 1999 beetle started having door lock module problems.
Mirror control window control lock control and door button illumination are all driven by the control module in the power window motor.
It makes sense because each door has its own lock actuator to control the power door locks when prompted.
Took it all apart and put it all together.
Look here for how to access the lock module and repair replace it.
The door locks and buttons on the other 3 doors are all fine.
The lock mechanism s have microswitches in them to tell the electronics weather the door is locked or unlocked.
I went to the scrap yard and got 2 door lock modules.
For full show notes visit the blog at.
This relay can also be heard when the car reaches 10 20 mph.
A failed switch or cracked solder joint on the lock mechanism s circuit board can cause issues with the locks.
It would arm and unarm with the key fob but wouldn t arm unarm with the key.
Before you take the defective door apart to replace the lock actuator you want to make sure that this could be the problem.
If this happens the problem is with the remote.
The battery is likely dead and needs to be replaced but the remote s may also need to be reprogrammed to work.