Audi A7 Sportback (4KA) (2017-2023) Fuse Box Location & Diagram

Welcome to this article, where we will explore the second-generation Audi A7 (4KA) and delve into its fuse box diagrams. This particular model has been available since 2017. If you’re looking for information about the location of the fuse panels inside the car and the assignment of each fuse, you’ve come to the right place. We will discuss the fuse layout for the Audi A7 Sportback from the years 2017, 2018, 2019, 2020, 2021, 2022 and 2023, covering both the passenger compartment and the luggage compartment. So let’s get started and explore the intricate details of the fuse box configurations in the Audi A7 Sportback.

Dashboard Fuse Box


The fuse box is situated on the left front side of the dashboard.


The table below displays the assignment of fuses on the left side of the dashboard of Audi A7 from 2017 to 2023.

Black Fuse panel (A)
2Steering column adjustment
3CD/DVD player
4Steering column electronics
5Light switch, switch panels
6Volume control
7Instrument cluster
8Front MMI display
9Steering wheel heating
Brown Fuse panel (B)
2MMI Infotainment system control module
3Audi music interface, USB connection
4Head-up display
5Climate control system, fragrance system, ionizer
9Steering column lock

Footrest Fuse Box


The second fuse box can be found either in the driver’s footrest area for left-hand drive vehicles or behind the lid in the front passenger footwell for right-hand drive vehicles.


The table below displays the assignment of fuses in the footrest fuse box of Audi A7 from 2017 to 2023.

*On right-hand drive vehicles, it is important to note that the fuse assignment for fuse panels “C” and “D” follows the opposite order.

Black fuse panel (A)
12021: Catalytic converter heating
2Engine components
3Engine components
4Engine components
5Brake light sensor
6Engine components
7Engine components
8Engine components
92018-2020: Engine components
2021-2023: Engine components, 48 V water pump, 48 V drivetrain generator
10Oil pressure sensor, oil temperature sensor
112018-2020: Engine start
2021-2023: Engine components, 48 V water pump, 48 V drivetrain generator, 12 V drivetrain generator
12Engine components
13Radiator fan
142018-2020: Engine control module
2021-2023: Engine control module, fuel injectors
152018-2020: Engine sensors
2021-2023: Engine sensors, ignition coils, oxygen sensors
16Fuel pump
Red fuse panel (B)
1Anti-theft alarm system
2Engine control module
3Left front lumbar support
6Parking brake
7Gateway control module (diagnosis)
82018-2020: Interior headliner lights
2021-2023: Roof electronics control module
9Driver assist systems control module
10Airbag control module
112018-2019: Electronic Stabilization Control (ESC);
2020: Electronic Stabilization Control (ESC), Anti-Lock Braking System (ABS)
12Diagnostic connector, light/rain sensor
13Climate control system
14Right front door control module
15Climate control system, body electronics
162018-2020: Auxiliary battery control module
2021-2023: Auxiliary battery control module, brake system pressure reservoir
Red fuse panel (C)
1Engine ignition coils
32021: High-voltage heating, compressor
5Engine mount
6Automatic transmission
7Instrument panel
8Climate control system blower
9Windshield wiper control module
10Dynamic steering
11Engine start
122021-2023: Automatic transmission fluid pump
Black fuse panel (D)
1Front seat heating
2Windshield wipers
3Left headlight electronics
4Panoramic glass roof
5Left front door control module
7Right rear door control module
8All-wheel drive control module (quattro)
9Right headlight electronics
10Windshield washer system/headlight washer system
11Left rear door control module
12Parking heater
Brown fuse panel (E)
12018-2019: 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
2021-2023: Seat ventilation, seat electronics, rearview mirror, rear climate control system control panel, diagnostic connection, traffic information antenna (TMC)
22018-2019: Climate control system;
2020-2023: Vehicle electrical system control module, gateway control module
3Sound actuator/exhaust sound tuning
4Transmission heating valve
72021-2023: Active accelerator pedal
8Night vision assist
9Adaptive cruise assist
112018-2019: Intersection assistant, driver assist systems;
2020-2023: Intersection assistant, driver assist systems, traffic jam pilot
122021-2023: Exterior sound generator
152021-2023: USB connection

Luggage Compartment Fuse Box


The fuse box is located beneath the lid on the floor of the trunk.


The table below displays the assignment of fuses in luggage compartment of Audi A7 from 2017 to 2023.

Black fuse panel (A)
12021-2023: Thermal management
3Passenger’s side rear safety belt tensioner
4Driver’s side rear safety belt tensioner
5Air suspension
6Automatic transmission
7Rear sliding sunroof, rear spoiler
8Rear seat heating
92018-2019: Central locking, tail lights;
2020-2023: Central locking, left tail light
10Left front safety belt tensioner
112018-2019: Central locking, rear blind;
2020: Central locking, rear blind, fuel filler door
2021-2023: Luggage compartment lid central locking, fuel filler door, luggage compartment cover
12Luggage compartment lid
Red fuse panel (B)
12021-2023: Suspension stabilization control module
22021-2023: Service disconnect switch
42021-2023: Electric drive system, power electronics
52018-2020: Brake system
2021-2023: Brake system, brake booster
62021-2023: High-voltage battery coolant pump
72021-2023: Auxiliary climate control
82021-2023: Climate control system compressor
9Auxiliary battery control module
102021-2023: High-voltage battery
112021-2023: High-voltage charger
142021-2023: Thermal management, coolant pumps
152021-2023: Thermomanagement control module
Brown fuse panel (C)
1Driver assist systems control module
22018-2020: Audi phone box, park assist antenna
2021-2023: Audi phone box
32018-2020: Right front lumbar support
2021: Front seat electronics, right lumbar support
from 2022: Right lumbar support
4Side assist
52021: Rear climate control system control panel, Infotainment system control panel
6Tire pressure monitoring system
7Emergency call system
82018-2019: Not Used;
from 2020: Parking heater, radio receiver, fuel tank monitoring
9Automatic transmission selector lever
102018-2019: TV tuner;
from 2020: TV tuner, data exchange control module
11Vehicle opening/start (NFC)
12Garage door opener
13Rearview camera, peripheral cameras
142018-2020: Central locking, tail lights
2021-2023: Convenience system control module, right tail light
16Right front safety belt tensioner
Black fuse panel (D)
Red fuse panel (E)
22021-2023: Exterior antenna
32018-2019: Exhaust treatment;
2020: Exhaust treatment, sound actuator, AC socket
2021-2023: Exhaust treatment, sound actuator
4Rear climate control system control panel
5Right trailer hitch light
7Trailer hitch
8Left trailer hitch light
92018-2021: Trailer hitch socket
from 2022: Trailer hitch socket, high-voltage battery
102018-2020: Sport differential
2021-2023: All wheel drive control module, sport differential
11Exhaust treatment
12from 2021: 48 V drivetrain generator

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