Radio — Most data bus circuit Audi S4 B8 facelift
All systems — 33 systems
- Air conditioning 2
- Anti-lock brakes
- Anti-theft
- Body control modules 3
- Computer data lines
- Cooling fan
- Cruise control
- Defoggers
- Electronic power steering 2
- Electronic suspension
- Engine performance 3.0l sc
- Exterior lights 2
- Ground distribution
- Headlights 3
- Horn
- Instrument cluster
- Interior lights 2
- Memory systems
- Navigation 7
- Power distribution
- Power door locks
- Power mirrors 2
- Power seats 6
- Power top/sunroof 2
- Power windows 2
- Radio 9
- Shift interlock 3
- Starting/charging 2
- Supplemental restraints
- Transmission 2
- Trunk, tailgate, fuel door
- Warning systems 2
- Wiper/washer 2
