Fuse box locations and block diagrams for Audi TT (FV/8S) (model years 2015, 2016, 2017, 2018, 2019, 2020).
Replacing fuses
- Turn off the ignition and all consumers.
- Find the fuse corresponding to your consumer link in the tables below.
- Remove the cover.
- Remove the plastic clips from the fuse cover in the engine compartment.
- Remove the fuse using pliers.
- A blown fuse should only be replaced with a new one of the same amperage.
- Replace the cover.
If the new fuse blows after a short time, have the electrical installation checked by a specialist workshop as soon as possible.
Attention!
Never repair fuses or replace a blown fuse with a higher amperage fuse. This can damage the electrical system. Fire hazard!
Passenger compartment
The fuses are located behind the cover near the steering column.
Fuse diagram
| NO. | Consumer |
|---|---|
| F3 | ESC control unit |
| F4 | Mainframe (MIB-2) |
| F5 | Entry |
| F6 | Burglar alarm |
| F7 | Climate control panel, gear shift lever (automatic transmission), auxiliary heater, rear window defroster relay coil |
| F8 | Diagnostics, parking brake switch, light control, rain and light sensor, interior lighting |
| F9 | Steering Column Switch Module |
| F10 | Screen |
| F11 | Haldex clutch |
| F12 | MMI |
| F13 | Shock absorber adjustment control unit |
| F14 | Air conditioning fan |
| F15 | Electric steering column lock |
| F16 | MMI |
| F17 | Instrument panel |
| F18 | Reversing camera |
| F19 | Comfort Key system control unit |
| F20 | Electric lumbar support adjustment |
| F23 | Right exterior lighting, on-board computer (right) |
| F25 | Driver’s side door (e.g. power windows) |
| F26 | Seat heating |
| F28 | AMI High Media Socket |
| F29 | On-board computer |
| F31 | On-board computer, left |
| F32 | Driver assistance systems |
| F33 | Airbag |
| F34 | Relay for electrical outlets, interior sound, reverse light switch, temperature sensor, oil level sensor |
| F35 | Diagnostics, headlight range adjustment, air quality sensor, automatic anti-glare rearview mirrors |
| F36 | Right cornering light / right LED headlight |
| F37 | Left cornering light / left LED headlight |
| F38 | Engine control unit, ESC control unit |
| F39 | Passenger side door (e.g. power windows) |
| F40 | Cigarette lighter, electrical sockets |
| F41 | SCR relay and power supply unit |
| F42 | Central locking |
| F43 | On-board computer |
| F45 | Electrically adjustable driver’s seat |
| F49 | Starter motor, clutch sensor |
| F50 | ESC valves |
| F53 | Rear window heating |
The electric seats are protected by automatic fuses that automatically turn on after a few seconds once the overload is eliminated.
Engine compartment
Fuse diagram
| NO. | Consumer |
|---|---|
| F3 | Engine control unit (petrol/diesel) |
| F4 | Engine cooling, engine components, heater coil relays (1+2), secondary air pump relay |
| F5 | Engine components, fuel system |
| F6 | Brake light sensor |
| F7 | Engine components |
| F8 | Lambda probe |
| F9 | Engine components, exhaust flap, glow plug timing control unit |
| F10 | Injectors, fuel control unit |
| F11 | Heater 2 |
| F12 | Heater 3 |
| F13 | Automatic transmission control unit |
| F15 | Horn |
| F16 | Ignition coil |
| F17 | ESC control unit, engine control unit |
| F18 | Terminal 30 (reference voltage) |
| F19 | Mat |
| F20 | Horn |
| F22 | Terminal 50 Diagnostics |
| F23 | Starting the engine |
| F24 | Heater 1 |
| F32 | LED headlights |