Audi A5 (8W6) | 2016-2020 | Fuse Box Diagrams and Locations

The second-generation Audi A5 and S5 (chassis code 8W6), Audi’s luxury coupe and its high-performance variant, have been available from 2016 to 2024. Renowned for their elegant design, advanced technology, and dynamic performance, this generation continues to captivate drivers seeking sophistication and excitement in a premium vehicle.

In this article, you will find detailed fuse box diagrams for Audi A5 and S5 models produced in 2016, 2017, 2018, 2019 and 2020. These diagrams provide essential insights into the vehicle’s electrical systems, helping owners and technicians understand the assignment of each fuse (fuse layout). This information is critical for diagnosing electrical issues, performing maintenance, or addressing necessary repairs.

This guide is a valuable resource for understanding the electrical system of the second-generation Audi A5 and S5, ensuring that owners have the tools and knowledge to maintain the functionality, reliability, and performance of these luxurious and dynamic vehicles.

Fuse Box Location

Passenger Compartment

In the cabin, there are two fuse blocks.

The first is on the front side of the cockpit (driver’s side).

The location of the fuses in the passenger compartment: Audi A5 / S5 (2017-2020...)

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 A5 / S5 (2017-2020...)

Login or Register to view this content

Luggage Compartment

It is located behind the trim panel on the left side of the rear compartment.

The location of the fuses in the trunk: Audi A5 / S5 (2017-2020...)

Login or Register to view this content

Fuse Box Diagrams

Cockpit fuse panel

Instrument panel fuse box diagram: Audi A5 / S5 (2017, 2018, 2019, 2020...)

Assignment of the fuses on the left side of the dashboard

№Description
12016-2018: Not Used;
2019-2020: Vehicle opening/start (NFC)
2Telephone, mobile device charger
4Head-up display
5Audi music interface, USB charging port
6Front climate control system controls
7Steering column lock
8Infotainment system display
9Instrument cluster
10Infotainment unit
11Light switch, switch module
12Steering column electronics
132016-2018: Not Used;
2019-2020: Particulate matter sensor for climate control system
14Infotainment system
16Steering wheel heating

Login or Register to view this content

Footwell fuse panel

Left-hand drive vehicles

Footwell fuse panel diagram (LHD): Audi A5 / S5 (2017, 2018, 2019, 2020...)

Right-hand drive vehicles

Footwell fuse panel diagram (RHD): Audi A5 / S5 (2017, 2018, 2019, 2020...)

Assignment of the fuses in the footwell

№Description
Fuse panel A (brown)
A22016-2018: Mass airflow sensor, camshaft adjustment, charge air cooler pump;
2019-2020: Engine components
A32016-2018: Exhaust doors, fuel injectors, radiator inlet;
2019-2020: Exhaust doors, fuel injectors, radiator inlet, crankcase housing heating
A42016-2018: Vacuum pump, hot water pump, particulate sensor, biodiesel sensor;
2019-2020: Vacuum pump, hot water pump, NOx sensor, particulate sensor, biodiesel sensor, exhaust doors
A5Brake light sensor
A6Engine valves, camshaft adjustment
A72016-2018: Heated oxygen sensor, mass airflow sensor;
2019-2020: Heated oxygen sensors, mass airflow sensor, water pump
A82016-2018: Water pump, high pressure pump, high pressure regulator valve;
2019-2020: Water pump, high pressure pump, high pressure regulator valve, mass airflow sensor, engine components
A92016-2018: Hot water pump;
2019-2020: Hot water pump, engine relay
A10Oil pressure sensor, oil temperature sensor
A112016-2018: Clutch pedal position sensor;
2019-2020: Clutch pedal position sensor, engine start,
water pump
A122016-2018: Engine valves;
2019-2020: Engine valves, engine mount
A13Radiator fan
A142016-2018: Fuel injectors;
2019-2020: Fuel injectors, engine control module
A152016-2018: Ignition coils;
2019-2020: Ignition coils, heated oxygen sensors
A16Fuel pump
Fuse panel B (red)
B1Anti-theft alarm system
B2Engine control module
B32016-2019: Lumbar support
2020: Left front seat electronics, lumbar support, massaging seat
B4Automatic transmission selector mechanism
B5Horn
B6Electromechanical parking brake
B7Gateway control module
B82016-2019: Interior headliner lights
2020: Roof electronics control module
B92016-2018: Not Used;
2019-2020: Emergency call system
B10Airbag control module
B11Electronic Stabilization Control (ESC)
B12Diagnostic connector, light/rain sensor
B13Climate control system
B14Right front door control module
B15A/C compressor
B162016-2018: Not Used;
2019-2020: Left neck heating
Fuse panel C (black)
C1Front seat heating
C2Windshield wipers
C3Left headlight electronics
C4Panorama glass roof
C5Left front door control module
C6Sockets
C72016-2018: Right rear door control module;
2019-2020: Door control module, right rear window regulator
C8AWD control module
C9Right headlight electronics
C10Windshield washer system/headlight washer system
C112016-2018: Left rear door control module;
2019-2020: Door control module, left rear window regulator
C122016-2018: Not Used;
2019-2020: Parking heater
Fuse panel D (black)
D12016-2018: Seat ventilation, rearview mirror, climate control system, rear climate control system controls, windshield heating, neck heating, front passenger’s airbag warning light;
2019-2020: Seat ventilation, rearview mirror, rear controls for climate control system, windshield heating, neck heating, front passenger airbag warning lamp, gateway diagnostics
D22016-2018: Gateway, climate control system;
2019: Not Used
2020: Gateway diagnosis, vehicle electrical system control module
D3Sound actuator/exhaust sound tuning
D4Clutch pedal position sensor
D52016-2018: Engine start;
2019-2020: Engine start, emergency shut-off
D62016-2018: Not Used;
2019-2020: Gateway
D7Rear USB charging port
D8HomeLink (Garage door opener)
D92016-2018: Adaptive cruise control;
2019-2020: Adaptive cruise control, distance regulation
D102016-2018: Not Used;
2019-2020: Exterior sound, pedal module
D11Video camera
D12Matrix LED headlight/right LED headlight
D13Matrix LED headlight/left LED headlight
D142016-2018: Not Used;
2019-2020: Transmission fluid cooling valve
D152016-2018: Not Used;
2019: Alarm and hands-free calling system
D162016-2018: Not Used;
2019: Rear Seat Entertainment preparation
Fuse panel E (red)
E1Ignition coils
E22016-2018: Not Used;
2019-2020: Compressor coupling, CNG system, engine valves
E52016-2018: Engine mount;
2019-2020: Left headlight
E6Automatic transmission
E7Instrument panel
E8Climate control system (blower)
E92016-2018: Engine mount;
2019-2020: Right headlight
E10Dynamic steering
E11Engine start

Login or Register to view this content

Luggage Compartment Fuse Box

The location of the fuses in the trunk: Audi A5 / S5 (2017, 2018, 2019, 2020...)

Assignment of the fuses in the trunk (2016-2019)

№Description
Fuse panel A (black)
A2Windshield defroster
A3Windshield defroster
A5Suspension control
A6Automatic transmission
A7Rear window defogger
A8Rear seat heating
A92016-2018: Tail lights;
2019-2020: Left tail lights
A102016-2018: Left safety belt tensioner;
2019-2020: Airbag control module
A112016-2018: Central locking system;
2019: Luggage compartment lid central locking, tank locking, rear sunshade
2020: Luggage compartment lid lock, fuel filler door lock, luggage compartment cover
A122016-2018: Power luggage compartment lid, left neck heating;
2019-2020: Luggage compartment lid
Fuse panel B (red)
B62016-2018: Not Used;
2019-2020: Battery power interrupt
Fuse panel C (brown)
C2Telephone, safety belt microphone
C32016-2019: Lumbar support
2020: Right front seat electronics, lumbar support
C4Audi side assist
C52019: Rear Seat Entertainment preparation
C62016-2018: Ultrasonic sensors;
2019-2020: Ultrasonic sensors, tire pressure monitoring system
C72016-2018: Not Used;
2019-2020: Vehicle opening/start (NFC)
C82016-2018: Smart module (tank);
2019-2020: Auxiliary heating radio receiver, smart module (fuel tank)
C9Power top control module
C102016-2018: Not Used;
2019-2020: TV tuner, gateway
C112016-2018: 12 Volt battery;
2019-2020: Auxiliary battery control module
C12HomeLink (Garage door opener)
C13Rearview camera, peripheral cameras
C14Right tail lights
C162016-2019: Right safety belt tensioner
2020-2020: Airbag control module
Fuse panel E (red)
E1Right neck heating
E22016-2018: Sound-amplifier;
E32016-2018: AdBlue heating;
2019-2020: Engine components
E4Power top control module
E5Trailer hitch (right light)
E7Trailer hitch
E8Trailer hitch (left light)
E9Trailer hitch (socket)
E10Sport differential
E112016-2018: AdBlue heating;
2019-2020: Engine components

Login or Register to view this content
Scroll to Top