Audi TT (8S/FV) | 2014-2023 | Fuse Box Diagrams and Locations

In this article, we focus on the third-generation Audi TT (chassis codes FV/8S), a stylish and performance-oriented sports car produced from 2014 to 2023. Renowned for its sleek design, cutting-edge technology, and dynamic driving experience, the third-generation Audi TT continues to be a standout in the luxury sports car market.

Here, you will find detailed fuse box diagrams for Audi TT models produced in 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 and 2023. These diagrams provide essential insights into the vehicle’s electrical systems, helping owners and technicians understand the assignment of each fuse (fuse layout). This information is invaluable for diagnosing electrical issues, performing maintenance, or addressing repairs efficiently.

This guide is a practical resource for understanding the electrical system of the third-generation Audi TT, ensuring that owners have the knowledge needed to maintain the performance, functionality, and reliability of this exceptional sports car.

Fuse Box Location

Passenger Compartment

Fuse Data
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The location of the fuses in the passenger compartment: Audi TT (2015-2020)

The fuse panel is located behind the cover to the left of the steering wheel.

Engine Compartment

Fuse Data
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The location of the fuses in the engine compartment: Audi TT (2015-2020)

Fuse Box Diagrams

Passenger Compartment Fuse Box

Instrument panel fuse box diagram: Audi TT (2015, 2016, 2017, 2018, 2019, 2020)

Assignment of the fuses in the instrument panel

Fuse Data
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№Description
F12016-2018: Power top control module (Roadster);
2019-2020: Not Used
F22016-2018: Power top control module (Roadster);
2019-2020: Not Used
F32016-2018: ESC control module;
2019-2020: Not Used
F4Central computer processor (MIB-2)
F5Gateway (diagnostics)
F62016-2017: Anti-theft alarm system;
2018-2020: Selector lever (automatic transmission)
F72016-2017: Climate control system, selector lever (automatic transmission), parking heater, rear window heater relay coil;
2018-2020: Climate control system controls, rear window defogger, tire pressure monitoring
F82016-2017: Diagnosis, electrical parking brake switch, light switch, rain/light sensor, interior lighting;
2018-2020: Switch for the electromechanical parking brake, light switch, rain/light sensor, interior lighting, diagnostic connector, roof electronics
F9Steering column switch module
F102016-2018: Display;
2019-2020: Vehicle positioning
F112016-2018: Haldex clutch;
2019-2020: All wheel drive clutch, left vehicle electrical system control module
F12MMI area (Infotainment components)
F132016-2018: Adaptive dampers control module;
2019-2020: Not Used
F14Climate control system blower
F15Electronic steering column lock
F16MMI components, safety belt microphone (Roadster)
F17Instrument cluster
F18Rearview camera
F19Convenience key system control module
F20Power lumbar support adjustment
F22Front passenger’s side upper (neck) cabin heating (Roadster)
F232016-2017: Right exterior lighting, on-board computer (right);
2018-2020: Not Used
F242016-2017: Not Used;
2018-2020: Right vehicle electrical system control module
F25Door/driver’s side doors (for example power windows)
F26Seat heating
F272016-2017: Not Used;
2018-2020: Vehicle electrical system control module
F28AMI High media port
F292016-2017: On-board computer;
2018-2020: Vehicle electrical system control module
F312016-2017: Left on-board computer;
2018: Left vehicle electrical system control module;
2019-2020: Not Used
F32Driver assistance systems
F33Airbag
F342016-2018: Socket relay, interior sound, back-up light switch, temperature sensor, oil level sensor;
2019-2020: Sockets, interior sound, tail light switch, temperature sensor, oil level sensor, neck heating, garage door opener
F352016-2018: Diagnosis, headlight range control system, air quality sensor, automatic dimming rearview mirror;
2019-2020: Diagnosis, headlight range control, air quality sensor, automatic dimming rearview mirror, center instrument panel switch module
F36Right cornering light / right LED-headlight
F37Left cornering light / left LED-headlight
F38Engine control module, ESC control module
F39Door/front passenger’s side doors (for example, power windows)
F40Cigarette lighter, sockets
F412016-2018: SCR relay and delivery unit;
2019-2020: Fuel tank diagnosis
F42Central locking area
F432016-2018: On-board computer;
2019-2020: Not Used
F442016-2017: Not Used;
2018-2020: All wheel drive clutch control module
F45Power adjustable driver’s side seat
F46Driver’s side upper cabin heating (Roadster)
F49Starter, clutch sensor
F502016-2017: ESC valves;
2018-2020: Not Used
F522016-2018: Not Used;
2019-2020: Control module for suspension control
F53Rear window defogger

Engine Compartment Fuse Box

Under-hood fuse box diagram: Audi TT (2015, 2016, 2017, 2018, 2019, 2020)

Assignment of the fuses in the engine compartment

Fuse Data
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№Description
F1ESC control module
F2ESC control module
F3Engine control module
F4Engine cooling, engine components, auxiliary heater coil relay (1+2), secondary air injection pump relay
F5Engine components, tank system
F6Brake light sensor
F7Engine components
F8Oxygen sensor
F92016-2018: Engine components, exhaust door, glow time control module;
2019-2020: Engine components, exhaust door
F10Fuel injectors, fuel control module
F112016-2018: Auxiliary heater heating element 2;
2019-2020: Not Used
F122016-2018: Auxiliary heater heating element 3;
2019-2020: Not Used
F132016-2018: Automatic transmission control module;
2019-2020: Transmission fluid pump
F142016-2017: Not Used;
2018-2020: Ignition coils (5-cylinder)
F15Horn
F16Ignition coil
F172016-2018: ESC control module, engine control module;
2019-2020: Suppressor
F182016-2018: Terminal 30 (reference voltage);
2019-2020: Diagnostic interface, battery monitoring, garage door opener antenna
F19Windshield wipers
F202016-2018: Horn;
2019-2020: Anti-theft alarm system
F212016-2018: Not Used;
2019-2020: Automatic transmission control module
F22Terminal 50 diagnosis
F23Starter
F24Auxiliary heater heating element 1
F312016-2017: Not Used;
2018-2020: Engine components (5-cylinder)
F322016-2018: LED headlights;
2019-2020: Not Used
F332016-2017: Not Used;
2018: Transmission fluid pump;
2019-2020: Not Used

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