Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2004PASSAT GLS 4MOTION, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTACCESSORIES CONTROL SYSTEMSCOMMUNICATION
2004 Volkswagen Passat GLS 4Motion, 4D Sedan, Standard
Accessories Control Systems: Communication
2004 Volkswagen Passat GLS 4Motion, 4D Sedan, StandardSECTION Communication
- 91 Radio, Telephone, Navigation, Trip computer
- Communication
- Radio systems
- Radio systems, performing OBD program functions using VAS 5051/5052
- Radio, 'Premium III' & 'Premium IV'
- General information
- On Board Diagnostic (OBD), function
- Radio - "Premium III", removing and installing
- Radio - "Premium IV", removing and installing
- Radio - "Premium III", multi-pin connector assignments
- Radio - "Premium IV", multi-pin connector assignments
- Anti-theft security code - "Premium III", inputting
- Anti-theft security code - "Premium IV", inputting
- Radio system 'Premium V' &'Premium V - Monsoon'
- Radio, 'Premium VI' & 'Premium VI - Monsoon'
- Amplifier system 'Monsoon'
- Speaker system
- Antenna systems
- General information
- Roof mounted antenna system, overview
- Diversity antenna system (W8 only)
- Diversity antenna system (W8 only), layout
- Antenna Selection Control Module -J515- (W8 only), removing and installing
- Diversity antenna amplifiers (W8 Sedan), removing and installing
- Diversity antenna amplifiers (W8 Wagon), removing and installing
- Antenna cables and connectors, replacing
- Reception interference, suppression measures
- CD Changer, CD Player
- Multi-function steering wheel
- General information
- On Board Diagnostic (OBD)
- Multi-function steering wheel, overview
- Operating unit in steering wheel, removing and installing
- Multi-function steering wheel control module, removing and installing
- Multi-function steering wheel control module multi-pin connector assignments
- Multi-function steering wheel from 12.01, performing OBD program functions using VAS 5051/5052
- Telematics
- General Information
- On Board Diagnostic (OBD)
- Telematic system, component overview
- Telematic Control Head - OnStar ® control buttons, description
- Telematic Control Head - OnStar ® telematics indicator lamp, description
- Telematic Control Head -E264-, removing and installing
- Telematic Control Module -J499- - Passat Wagon, removing and installing
- Telematic Control Module -J499- - Passat Sedan, removing and installing
- Telematic Control Module -J499- multi-pin connector assignments
- Telematic Control Module -J499-, coding
- Telematic Control Module -J499-, reconfiguring
- GPS/Telematics antenna
- GPS/Telematics antenna, overview
- GPS/Telematics antenna - Passat Wagon, removing and installing
- GPS/Telematics antenna - Passat Sedan, removing and installing
- Telephone Microphone -R38-, removing and installing
- Telematics system, troubleshooting using telematics indicator lamp
- Transport Mode, deactivating
- Mobile telephone and two-way radio operation, notes
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.