The Audi TT is a compact coupe from the German manufacturer. It has been produced in Győr, Hungary, since 1998. In this article, we will take a detailed look at the fuse assignments in the Audi TT (third generation; model code FV; platform MQB; body code 8S) for the model years 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 and 2022.



No. | Fuse assignment
F1. | ESC control module
F2. | ESC control module
F3. | Engine control module
F4. | Engine cooling; Auxiliary heater coil relay (1 + 2); Secondary air pump relay.
F5. | Engine components, fuel tank system
F6. | Brake light sensor
F7. | Engine components
F8. | Oxygen sensor
F9. | 2014-2018: Engine components; Exhaust system; Lighting control module or 2019-2022: Exhaust system. Engine components;
F10. | Fuel control module. Injectors;
F11. | 2016-2018: Auxiliary heater 2; 2019-2022 – empty
F12. | 2016-2018: Auxiliary heater 3; 2019-2022: Empty
F13. | 2014-2018: Automatic Transmission Control Module or 2019-2022: Transmission Fluid Pump.
F14. | 2014-2017: Empty / 2018-2019-2022: Ignition Coils (5 Cylinders).
F15. | Horn
F16. | Ignition Coil
F17. | 2014-2018: Engine Control Module; ESC Control Module or 2019-2022: Muffler
F18. | 2014-2018: Terminal 30 or 2019-2022: Garage Door Opener Antenna; Battery Monitor; Diagnostic Interface;
F19. | Wipers
F20. | 2014-2018: Horn or 2019-2022: Alarm
F21. | 2014-2018: Blank or 2019-2022: Automatic Transmission Control Module.
F22. | Terminal 50 Diagnostics
F23. | Starter
F24. | Auxiliary Heater 1
F31. | 2014-2017: Blank or 2018-2022: Engine Components (5-Cylinder).
F32. | 2014-2018: LED Headlights;
F33. | 2018: Transmission Oil Pump

The fuse box is located behind the trim at the bottom of the dashboard.


No. | Description
F1. | 2014-2018: Upper power control unit (Roadster) / 2019 – 2022: Blank
F2. | 2014-2018: Upper power control unit (Roadster) / 2019 – 2022: Blank
F3. | 2014-2018: ESC control module / 2019 – 2022: Blank
F4. | Central processor
F5. | Gateway (diagnostics)
F6. | 2014-2017: Alarm / 2018-2022: Gear shift lever (automatic transmission).
F7. | Rear window heating relay coil / 2014-2017: Gear shift lever (automatic transmission), air conditioning, Parktronic, rear window heating / 2018-2022: Air conditioning, rear window heating, tire pressure monitoring sensor
F8. | 2014-2017: Diagnostic connector, electric parking brake switch; sun and rain sensor, interior lighting / 2018-2022: Electromechanical parking brake switch; sun and rain sensor, interior lighting, diagnostic connector,
F9. | Steering column switch module
F10. | 2014-2018: Display / 2019 – 2022: Vehicle positioning system.
F11. | 2014-2018: Haldex coupling system / 2019 – 2022: All-wheel drive system; Left on-board network control unit
F12. | MMI area (infotainment components)
F13. | 2014-2018: Adaptive damper control module / 2019 – 2022: Empty
F14. | Air conditioning fan
F15. | Electronic steering column lock
F16. | MMI components; Seat belt microphone (Roadster).
F17. | Instrument panel
F18. | Rear view camera
F19. | Key module
F20. | Electrically adjustable lumbar support
F22. | Passenger side upper seat (neck) heating
F23. | 2014-2017: Right exterior light; On-board computer (right) / 2018-2019: Empty
F24. | 2014-2017: Empty / 2018-2019: On-board electrical system control unit on the right side.
F25. | Side doors / Driver’s door (e.g. electric windows)
F26. | Seat heating
F27. | 2014-2017: Empty / 2018-2022: On-board network control unit. AMI high-quality media connection
F29. | 2014-2017: On-board computer / 2018-2022: On-board electrical system control module.
F31. | 2014-2017: Left on-board computer / 2018: Left on-board network control module / 2019 – 2022: empty
F32. | Driver assistance systems
F33. | Airbag
F34. | 2014-2018: Relay connector; audio system, reversing light switch, oil level and temperature indicator / 2019 – 2022: Sockets, interior audio system; rear light switch; temperature sensor; oil level sensor; heated seats, garage door opener.
F35. | Headlight range control system; / 2014-2018: Headlight range control system; diagnostics; air quality sensor; auto-dimming rearview mirror / 2019 – 2022: Headlight range control; air quality sensor; auto-dimming rearview mirror; switch module in center console, diagnostics
F36. | Right turn signal / right LED headlight
F37. | Left turn signal / left LED headlight
F38. | Engine control module, ESC control module
F39. | Side doors / passenger door (e.g. electric windows)
F40. | Audi TT cigarette lighter fuse, 12 V sockets
F41. | 2014-2018: SCR relay / 2019 – 2022: Fuel tank diagnostics.
F42. | Central locking zone
F43. | 2014-2018: Trip computer; 2019 – 2022: Empty
F44. | 2014-2017: Empty / 2018-2019: All-wheel drive clutch control module.
F45. | Electrically adjustable driver’s seat
F46. | Driver’s side convertible top heater (Roadster)
F49. | Starter, clutch sensor
F50. | 2014-2017: ESC valves; 2018-2019: Empty
F52. | 2014-2018: Empty / 2019 – 2022: Suspension control module.
F53. | Rear window heating