the microswitch that operates as a sensor is apereantly inside the lock mechanism in the door: http://www.taligentx.com/passat/maintenance/doorlockmechanism/
It is located at the end of the dash on the drivers side. The panel faces the door so you have to have the door open to access the panel.
Because he is samir
Ok the issue you have is that the comfort module lost its programming that why it only opens the drivers door with the remote to reprogram this feature you will need a vw specific scan tool to change the coding in the value blocks you will need to find a vw service shop to be able to do this for you . I hope this helps. ---Mine did this when the bat. went dead---Read more: Volkswagen Passat GL 2004 passat only drivers door will unlock - JustAnswer http://www.justanswer.com/vw-volkswagen/4emry-volkswagen-passat-gl-2004-passat-only-drivers-door-will-unlock.html#ixzz1eVaGFaCd
in my passat they're inside the dash. open the drivers side door. on the left side of the dash (the part that actually touches the drivers side door when the door is shut) there is a panel that is removable. take that off. behind the fuses you will see the relays.
Inside the door under the latch.
Probably inside the door latch mechanism
Tire pressures for ALL makes and models are on the inside of the drivers door jam.
http://www.taligentx.com/passat/maintenance/doorlockmechanism/ try this link it wil be helpful
Under the Dash on the drivers side by the door. It should have a plastic cover over it that will pop off.
Check the label on the drivers door jamb for proper pressure.Check the label on the drivers door jamb for proper pressure.
how i can open back door passat 1998
turnes on and off the internal sensor for the alarm