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

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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...)

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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)
Description
Fuse panel A (black)
A2Steering column adjustment
A3CD/DVD player
A4Steering column electronics
A5Light switch, switch panels
A6Volume control
A7Instrument cluster
A8Front MMI (Upper/lower) display
A9Steering wheel heating
Fuse panel B (brown)
B2MMI Infotainment system control module
B3Audi music interface
B4Head-up display
B5Climate control system, fragrance system, ionizer
B9Steering 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...)

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Assignment of the fuses in the footwell (2018-2020)
Description
Fuse panel A (black)
A12018-2019: Not Used;
2020: Catalytic converter heating
A2Engine components
A3Engine components
A4Engine components
A5Brake light sensor
A62018-2019: Engine components;
2020: Engine valves
A7Engine components
A8Engine components
A9Engine components
A10Oil pressure sensor, oil temperature sensor
A112018-2019: Engine start;
2020: Engine components
A12Engine components
A13Radiator fan
A142018-2019: Engine control module;
2020: Engine control module, fuel injectors
A15Engine sensors
A16Fuel pump
Fuse panel B (red)
B1Anti-theft alarm system
B2Engine control module
B3Left front lumbar support
B5Horn
B6Parking brake
B7Gateway control module (diagnosis)
B82018-2019: Interior headliner lights;
2020: Roof electronics control module
B9Driver assist systems control module
B10Airbag control module
B112018-2019: Electronic Stabilization Control (ESC);
2020: Electronic Stabilization Control (ESC), Anti-Lock Braking System (ABS)
B12Diagnostic connector, light/rain sensor
B13Climate control system
B14Right front door control module
B15Climate control system compressor, body electronics
B162018-2019: Auxiliary battery control module;
2020: Auxiliary battery control module, brake system pressure reservoir
Fuse panel C (red)
C1Engine ignition coils
C32018-2019: Not Used;
2020: High-voltage heating, compressor
C5Engine mount
C6Automatic transmission
C7Instrument panel
C8Climate control system fresh air blower
C9Windshield wiper control module
C10Dynamic steering
C11Engine start
C122018-2019: Not Used;
2020: Automatic transmission
Fuse panel D (black)
D1Front seat heating
D2Windshield wipers
D3Left headlight electronics
D4Panoramic glass roof
D5Left front door control module
D6Sockets
D7Right rear door control module
D8All-wheel drive control module (quattro)
D9Right headlight electronics
D10Windshield washer system/headlight washer system
D11Left rear door control module
D12Parking heater
Fuse panel E (brown)
E12018-2019: 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
E22018-2019: Climate control system;
2020: Vehicle electrical system control module, gateway control module
E3Sound actuator/exhaust sound tuning
E4Transmission heating valve
E5Engine start
E82018-2019: Night vision assist;
2020: Night vision assist, active roll stabilization
E92018-2019: Adaptive cruise assist;
2020: Adaptive cruise assist, front radar
E11Intersection assistant, driver assist systems
E122018-2019: Not Used;
2020: Exterior sound

Luggage Compartment Fuse Box

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

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Assignment of the fuses in the trunk (2018-2020)
Description
Fuse panel A (black)
A3Passenger's side rear safety belt tensioner
A4Driver’s side rear safety belt tensioner
A5Air suspension
A6Automatic transmission
A7Rear sliding sunroof, rear spoiler
A8Rear seat heating
A92018-2019: Central locking, tail lights;
2020: Left tail light
A10Front belt tensioner on driver's side
A112018-2019: Central locking, rear blind;
2020: Luggage compartment lid central locking, fuel filler door, luggage compartment cover
A12Luggage compartment lid control module
Fuse panel B (red)
B12018-2019: Not Used;
2020: Suspension stabilization control module
B22018-2019: Not Used;
2020: Service disconnect switch
B32018-2019: Not Used;
2020: Electric motor
B5Brake system
B52018-2019: Not Used;
2020: High-voltage battery water pump
B72018-2019: Not Used;
2020: Hybrid remote-controlled interior climate control
B82018-2019: Not Used;
2020: Hybrid A/C compressor
B9Auxiliary battery control module
B102018-2019: Not Used;
2020: Hybrid high-voltage battery
B112018-2019: Not Used;
2020: Hybrid charger
B142018-2019: Not Used;
2020: Thermomanagement, water pump
B152018-2019: Not Used;
2020: Thermomanagement control module
B162018-2019: Not Used;
2020: Gateway
Fuse panel C (brown)
C1Driver assist systems control module
C2Audi phone box, roof antenna
C32018-2019: Right front lumbar support;
2020: Front seat electronics, right lumbar support
C4Side assist
C52018-2019: Not Used;
2020: Rear climate control system control panel
C6Tire pressure monitoring system
C7Emergency call system
C82018-2019: Not Used;
2020: Parking heater radio receiver, fuel tank monitoring
C9Automatic transmission selector lever
C102018-2019: TV tuner;
2020: TV tuner, data exchange and telematics control module
C11Vehicle opening/start (NFC)
C12Garage door opener
C13Rearview camera, peripheral cameras
C14Central locking, tail lights
C16Front belt tensioner on front passenger's side
Fuse panel D (black)
D1-D16Not assigned
Fuse panel E (red)
E32018-2019: Exhaust treatment;
2020: Exhaust treatment, sound actuator, AC socket
E4Rear climate control system control panel
E5Right trailer hitch light
E72018-2019: Trailer hitch;
2020: Trailer hitch release
E8Left trailer hitch light
E9Trailer hitch socket
E10All wheel drive sport differential
E11Exhaust treatment
E122018-2019: Not Used;
2020: 48 V generator