Audi A6 / S6 (C8/4K; 2018-2020…) fuses


In this article, we consider the fifth-generation Audi A6 / S6 (C8/4K), available from 2018 to the present. Here you will find fuse box diagrams of Audi A6 and S6 2019 and 2020, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout).

Fuse Layout Audi A6 and S6 2019-2020…


Fuse Box Location

Passenger Compartment

In the cabin, there are two fuse blocks.

The first is on the left front side of the cockpit.The location of the fuses in the passenger compartment: Audi A6 / S6 (2018-2020...)

And the second is in the driver’s footrest on left-hand drive vehicles, or behind the lid on front passenger footwell on right-hand drive vehicles.The location of the fuses in the passenger compartment: Audi A6 / S6 (2018-2020...)

Luggage Compartment

The fuses are under the lid in the trunk floor.The location of the fuses in the trunk: Audi A6 / S6 (2018-2020...)

Fuse Box Diagrams

Cockpit fuse panel

Cockpit fuse panel diagram: Audi A6 / S6 (2018, 2019, 2020...)

Assignment of the fuses on the left side of the dashboard (2018-2020)

Fuse panel A (black)
A2 Steering column adjustment
A3 CD/DVD player
A4 Steering column electronics
A5 Light switch, switch panels
A6 Volume control
A7 Instrument cluster
A8 Front MMI (Upper/lower) display
A9 Steering wheel heating
Fuse panel B (brown)
B2 MMI Infotainment system control module
B3 Audi music interface
B4 Head-up display
B5 Climate control system, fragrance system, ionizer
B9 Steering column lock

Footwell fuse panel

The fuse assignment “C” and “D” is in the opposite order on right-hand drive vehicles.Footwell fuse panel diagram: Audi A6 / S6 (2018, 2019, 2020...)


Assignment of the fuses in the footwell (2018-2020)

Fuse panel A (black)
A1 2018-2019: Not Used;
2020: Catalytic converter heating
A2 Engine components
A3 Engine components
A4 Engine components
A5 Brake light sensor
A6 2018-2019: Engine components;
2020: Engine valves
A7 Engine components
A8 Engine components
A9 Engine components
A10 Oil pressure sensor, oil temperature sensor
A11 2018-2019: Engine start;
2020: Engine components
A12 Engine components
A13 Radiator fan
A14 2018-2019: Engine control module;
2020: Engine control module, fuel injectors
A15 Engine sensors
A16 Fuel pump
Fuse panel B (red)
B1 Anti-theft alarm system
B2 Engine control module
B3 Left front lumbar support
B5 Horn
B6 Parking brake
B7 Gateway control module (diagnosis)
B8 2018-2019: Interior headliner lights;
2020: Roof electronics control module
B9 Driver assist systems control module
B10 Airbag control module
B11 2018-2019: Electronic Stabilization Control (ESC);
2020: Electronic Stabilization Control (ESC), Anti-Lock Braking System (ABS)
B12 Diagnostic connector, light/rain sensor
B13 Climate control system
B14 Right front door control module
B15 Climate control system compressor, body electronics
B16 2018-2019: Auxiliary battery control module;
2020: Auxiliary battery control module, brake system pressure reservoir
Fuse panel C (red)
C1 Engine ignition coils
C3 2018-2019: Not Used;
2020: High-voltage heating, compressor
C5 Engine mount
C6 Automatic transmission
C7 Instrument panel
C8 Climate control system fresh air blower
C9 Windshield wiper control module
C10 Dynamic steering
C11 Engine start
C12 2018-2019: Not Used;
2020: Automatic transmission
Fuse panel D (black)
D1 Front seat heating
D2 Windshield wipers
D3 Left headlight electronics
D4 Panoramic glass roof
D5 Left front door control module
D6 Sockets
D7 Right rear door control module
D8 All-wheel drive control module (quattro)
D9 Right headlight electronics
D10 Windshield washer system/headlight washer system
D11 Left rear door control module
D12 Parking heater
Fuse panel E (brown)
E1 2018-2019: Seat ventilation, seat heating, rearview mirror, climate control system, rear climate control system controls;
2020: Seat ventilation, seat electronics, rearview mirror, rear climate control panel, diagnostic connector
E2 2018-2019: Climate control system;
2020: Vehicle electrical system control module, gateway control module
E3 Sound actuator/exhaust sound tuning
E4 Transmission heating valve
E5 Engine start
E8 2018-2019: Night vision assist;
2020: Night vision assist, active roll stabilization
E9 2018-2019: Adaptive cruise assist;
2020: Adaptive cruise assist, front radar
E11 Intersection assistant, driver assist systems
E12 2018-2019: Not Used;
2020: Exterior sound

Luggage Compartment Fuse Box

Trunk fuse box diagram: Audi A6 / S6 (2018, 2019, 2020...)


Assignment of the fuses in the trunk (2018-2020)

Fuse panel A (black)
A3 Passenger’s side rear safety belt tensioner
A4 Driver’s side rear safety belt tensioner
A5 Air suspension
A6 Automatic transmission
A7 Rear sliding sunroof, rear spoiler
A8 Rear seat heating
A9 2018-2019: Central locking, tail lights;
2020: Left tail light
A10 Front belt tensioner on driver’s side
A11 2018-2019: Central locking, rear blind;
2020: Luggage compartment lid central locking, fuel filler door, luggage compartment cover
A12 Luggage compartment lid control module
Fuse panel B (red)
B1 2018-2019: Not Used;
2020: Suspension stabilization control module
B2 2018-2019: Not Used;
2020: Service disconnect switch
B3 2018-2019: Not Used;
2020: Electric motor
B5 Brake system
B5 2018-2019: Not Used;
2020: High-voltage battery water pump
B7 2018-2019: Not Used;
2020: Hybrid remote-controlled interior climate control
B8 2018-2019: Not Used;
2020: Hybrid A/C compressor
B9 Auxiliary battery control module
B10 2018-2019: Not Used;
2020: Hybrid high-voltage battery
B11 2018-2019: Not Used;
2020: Hybrid charger
B14 2018-2019: Not Used;
2020: Thermomanagement, water pump
B15 2018-2019: Not Used;
2020: Thermomanagement control module
B16 2018-2019: Not Used;
2020: Gateway
Fuse panel C (brown)
C1 Driver assist systems control module
C2 Audi phone box, roof antenna
C3 2018-2019: Right front lumbar support;
2020: Front seat electronics, right lumbar support
C4 Side assist
C5 2018-2019: Not Used;
2020: Rear climate control system control panel
C6 Tire pressure monitoring system
C7 Emergency call system
C8 2018-2019: Not Used;
2020: Parking heater radio receiver, fuel tank monitoring
C9 Automatic transmission selector lever
C10 2018-2019: TV tuner;
2020: TV tuner, data exchange and telematics control module
C11 Vehicle opening/start (NFC)
C12 Garage door opener
C13 Rearview camera, peripheral cameras
C14 Central locking, tail lights
C16 Front belt tensioner on front passenger’s side
Fuse panel D (black)
D1-D16 Not assigned
Fuse panel E (red)
E3 2018-2019: Exhaust treatment;
2020: Exhaust treatment, sound actuator, AC socket
E4 Rear climate control system control panel
E5 Right trailer hitch light
E7 2018-2019: Trailer hitch;
2020: Trailer hitch release
E8 Left trailer hitch light
E9 Trailer hitch socket
E10 All wheel drive sport differential
E11 Exhaust treatment
E12 2018-2019: Not Used;
2020: 48 V generator

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