Audi A7 / S7 (4K8; 2018-2022) fuses



In this article, we consider the second-generation Audi A7 (4K8), available from 2018 to the present. Here you will find fuse box diagrams of Audi A7 and S7 2018, 2019, 2020, 2021, and 2022, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout).

See other Audi A7 / S7:

Fuse layout Audi A7 and S7 2019-2022

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 A7 / S7 (2018, 2019, 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 A7 / S7 (2018, 2019, 2020...)

Luggage Compartment

The fuses are under the lid on the trunk floor.The location of the fuses in the trunk: Audi A7 / S7 (2018, 2019, 2020...)


Fuse Box Diagrams

Cockpit fuse panel

Cockpit fuse panel diagram: Audi A7 / S7 (2018, 2019, 2020...)

Assignment of the fuses on the left side of the dashboard
Fuse panel A (black)
A2Steering column adjustment
A3CD/DVD player
A4Steering column electronics
A5Light switch, switch panels
A6Volume control
A7Instrument cluster
A8Front MMI display
A9Steering wheel heating
Fuse panel B (brown)
B2MMI Infotainment system control module
B3Audi music interface, USB connection
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 A7 / S7 (2018, 2019, 2020...)



Assignment of the fuses in the footwell
Fuse panel A (black)
A12021: Catalytic converter heating
A2Engine components
A3Engine components
A4Engine components
A5Brake light sensor
A6Engine components
A7Engine components
A8Engine components
A92018-2020: Engine components
2021-2022: Engine components, 48 V water pump, 48 V drivetrain generator
A10Oil pressure sensor, oil temperature sensor
A112018-2020: Engine start
2021-2022: Engine components, 48 V water pump, 48 V drivetrain generator, 12 V drivetrain generator
A12Engine components
A13Radiator fan
A142018-2020: Engine control module
2021-2022: Engine control module, fuel injectors
A152018-2020: Engine sensors
2021-2022: Engine sensors, ignition coils, oxygen sensors
A16Fuel pump
Fuse panel B (red)
B1Anti-theft alarm system
B2Engine control module
B3Left front lumbar support
B6Parking brake
B7Gateway control module (diagnosis)
B82018-2020: Interior headliner lights
2021-2022: 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, body electronics
B162018-2020: Auxiliary battery control module
2021-2022: Auxiliary battery control module, brake system pressure reservoir
Fuse panel C (red)
C1Engine ignition coils
C32021: High-voltage heating, compressor
C5Engine mount
C6Automatic transmission
C7Instrument panel
C8Climate control system blower
C9Windshield wiper control module
C10Dynamic steering
C11Engine start
C122021-2022: Automatic transmission fluid pump
Fuse panel D (black)
D1Front seat heating
D2Windshield wipers
D3Left headlight electronics
D4Panoramic glass roof
D5Left front door control module
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: Diagnostic connector, seat ventilation, |seat heating, rearview mirror, rear climate control system controls
2021-2022: Seat ventilation, seat electronics, rearview mirror, rear climate control system control panel, diagnostic connection, traffic information antenna (TMC)
E22018-2019: Climate control system;
2020-2022: Vehicle electrical system control module, gateway control module
E3Sound actuator/exhaust sound tuning
E4Transmission heating valve
E72021-2022: Active accelerator pedal
E8Night vision assist
E9Adaptive cruise assist
E112018-2019: Intersection assistant, driver assist systems;
2020-2022: Intersection assistant, driver assist systems, traffic jam pilot
E122021-2022: Exterior sound generator
E152021-2022: USB connection

Luggage Compartment Fuse Box

Trunk fuse box diagram: Audi A7 / S7 (2018, 2019, 2020...)



Assignment of the fuses in the trunk
Fuse panel A (black)
A12021-2022: Thermal management
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;
2020-2022: Central locking, left tail light
A10Left front safety belt tensioner
A112018-2019: Central locking, rear blind;
2020: Central locking, rear blind, fuel filler door
2021-2022: Luggage compartment lid central locking, fuel filler door, luggage compartment cover
A12Luggage compartment lid
Fuse panel B (red)
B12021-2022: Suspension stabilization control module
B22021-2022: Service disconnect switch
B42021-2022: Electric drive system, power electronics
B52018-2020: Brake system
2021-2022: Brake system, brake booster
B62021-2022: High-voltage battery coolant pump
B72021-2022: Auxiliary climate control
B82021-2022: Climate control system compressor
B9Auxiliary battery control module
B102021-2022: High-voltage battery
B112021-2022: High-voltage charger
B142021-2022: Thermal management, coolant pumps
B152021-2022: Thermomanagement control module
Fuse panel C (brown)
C1Driver assist systems control module
C22018-2020: Audi phone box, park assist antenna
2021-2022: Audi phone box
C32018-2020: Right front lumbar support
2021: Front seat electronics, right lumbar support
2022: Right lumbar support
C4Side assist
C52021: Rear climate control system control panel, Infotainment 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 control module
C11Vehicle opening/start (NFC)
C12Garage door opener
C13Rearview camera, peripheral cameras
C142018-2020: Central locking, tail lights
2021-2022: Convenience system control module, right tail light
C16Right front safety belt tensioner
Fuse panel D (black)
D1-D16Not assigned
Fuse panel E (red)
E22021-2022: Exterior antenna
E32018-2019: Exhaust treatment;
2020: Exhaust treatment, sound actuator, AC socket
2021-2022: Exhaust treatment, sound actuator
E4Rear climate control system control panel
E5Right trailer hitch light
E7Trailer hitch
E8Left trailer hitch light
E92018-2021: Trailer hitch socket
2022: Trailer hitch socket, high-voltage battery
E102018-2020: Sport differential
2021-2022: All wheel drive control module, sport differential
E11Exhaust treatment
E122021: 48 V drivetrain generator