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

15/01/2024
AUDI

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).

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.

 

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.

 

Luggage Compartment

The fuses are under the lid on the trunk floor.

 
 
Fuse Box Diagrams

Cockpit fuse panel

 

Assignment of the fuses on the left side of the dashboard

No Description
  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 display
A9 Steering wheel heating
   
  Fuse panel B (brown)
B2 MMI Infotainment system control module
B3 Audi music interface, USB connection
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.

 

Assignment of the fuses in the footwell

No Description
  Fuse panel A (black)
A1 2021: Catalytic converter heating
A2 Engine components
A3 Engine components
A4 Engine components
A5 Brake light sensor
A6 Engine components
A7 Engine components
A8 Engine components
A9 2018-2020: Engine components
2021-2022: Engine components, 48 V water pump, 48 V drivetrain generator
A10 Oil pressure sensor, oil temperature sensor
A11 2018-2020: Engine start
2021-2022: Engine components, 48 V water pump, 48 V drivetrain generator, 12 V drivetrain generator
A12 Engine components
A13 Radiator fan
A14 2018-2020: Engine control module
2021-2022: Engine control module, fuel injectors
A15 2018-2020: Engine sensors
2021-2022: Engine sensors, ignition coils, oxygen 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 2018-2020: Interior headliner lights
2021-2022: 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, body electronics
B16 2018-2020: Auxiliary battery control module
2021-2022: Auxiliary battery control module, brake system pressure reservoir
   
  Fuse panel C (red)
C1 Engine ignition coils
C3 2021: High-voltage heating, compressor
C5 Engine mount
C6 Automatic transmission
C7 Instrument panel
C8 Climate control system blower
C9 Windshield wiper control module
C10 Dynamic steering
C11 Engine start
C12 2021-2022: Automatic transmission fluid pump
   
  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: 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)
E2 2018-2019: Climate control system;
2020-2022: Vehicle electrical system control module, gateway control module
E3 Sound actuator/exhaust sound tuning
E4 Transmission heating valve
E5 Starter
E7 2021-2022: Active accelerator pedal
E8 Night vision assist
E9 Adaptive cruise assist
E11 2018-2019: Intersection assistant, driver assist systems;
2020-2022: Intersection assistant, driver assist systems, traffic jam pilot
E12 2021-2022: Exterior sound generator
E15 2021-2022: USB connection
 

 

Luggage Compartment Fuse Box

 

Assignment of the fuses in the trunk

No Description
  Fuse panel A (black)
A1 2021-2022: Thermal management
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;
2020-2022: Central locking, left tail light
A10 Left front safety belt tensioner
A11 2018-2019: 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
A12 Luggage compartment lid
   
  Fuse panel B (red)
B1 2021-2022: Suspension stabilization control module
B2 2021-2022: Service disconnect switch
B4 2021-2022: Electric drive system, power electronics
B5 2018-2020: Brake system
2021-2022: Brake system, brake booster
B6 2021-2022: High-voltage battery coolant pump
B7 2021-2022: Auxiliary climate control
B8 2021-2022: Climate control system compressor
B9 Auxiliary battery control module
B10 2021-2022: High-voltage battery
B11 2021-2022: High-voltage charger
B14 2021-2022: Thermal management, coolant pumps
B15 2021-2022: Thermomanagement control module
   
  Fuse panel C (brown)
C1 Driver assist systems control module
C2 2018-2020: Audi phone box, park assist antenna
2021-2022: Audi phone box
C3 2018-2020: Right front lumbar support
2021: Front seat electronics, right lumbar support
2022: Right lumbar support
C4 Side assist
C5 2021: Rear climate control system control panel, Infotainment 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 control module
C11 Vehicle opening/start (NFC)
C12 Garage door opener
C13 Rearview camera, peripheral cameras
C14 2018-2020: Central locking, tail lights
2021-2022: Convenience system control module, right tail light
C16 Right front safety belt tensioner
   
  Fuse panel D (black)
D1-D16 Not assigned
   
  Fuse panel E (red)
E2 2021-2022: Exterior antenna
E3 2018-2019: Exhaust treatment;
2020: Exhaust treatment, sound actuator, AC socket
2021-2022: Exhaust treatment, sound actuator
E4 Rear climate control system control panel
E5 Right trailer hitch light
E7 Trailer hitch
E8 Left trailer hitch light
E9 2018-2021: Trailer hitch socket
2022: Trailer hitch socket, high-voltage battery
E10 2018-2020: Sport differential
2021-2022: All wheel drive control module, sport differential
E11 Exhaust treatment
E12 2021: 48 V drivetrain generator

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