It is located just in front of the driver's side seat, under the carpet.
The 2004 Dodge Intrepid PCM power control module can be found on the firewall in the engine compartment. The PCM power control module will be on the passenger side of the firewall.
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
Use your thinking.
The 2004 Volkswagen Passat has 20 valves.
The 2004 Volkswagen Passat has a 5-speed manual.
The 2004 Volkswagen Passat is a gas-powered vehicle.
The 2004 Volkswagen Passat has an inline 4 engine.
The TCM fuse controls the Transmission Control Module. which control the transmission.
The curb weight of the 2004 Volkswagen Passat is 3212 lbs..
The height of the 2004 Volkswagen Passat is 4 ft. 9.6 in. (57.6 in.).
The 2004 Volkswagen Passat has double overhead cam (DOHC).
The 2004 Volkswagen Passat's turning circle is 37.4 ft..