Radio — Most data bus circuit, mmi 2 Audi S4 B8
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 4.2l
- Exterior lights 4
- Ground distribution
- Headlights 3
- Horn
- Instrument cluster 3
- Interior lights 2
- Memory systems
- Navigation 9
- Power distribution
- Power door locks
- Power mirrors 3
- Power seats 6
- Power top/sunroof 2
- Power windows
- Radio 12
- Shift interlock
- Starting/charging 2
- Supplemental restraints
- Transmission 3
- Trunk, tailgate, fuel door
- Warning systems 2
- Wiper/washer 2
