Audi A3 / S3 (8Y; 2021-2022) fuses



In this article, we consider the fourth-generation Audi A3 / S3 (8Y), available from 2021. Here you will find fuse box diagrams of Audi A3 and S3 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 LayoutAudi A3 / S3 2021-2022

Audi A3 / S3 (8Y; 2021-2022)

Fuse Box Location

Passenger Compartment

LHD vehicles: Depending on the vehicle equipment, the fuses may be located behind a cover (1) or behind the storage compartment (2) in the area of the steering column.The location of the fuses in the passenger compartment (LHD): Audi A3 / S3 (2020, 2021, 2022)

RHD vehicles: The fuses are located behind a cover in the glove compartment.The location of the fuses in the passenger compartment (RHD): Audi A3 / S3 (2020, 2021, 2022)

Engine Compartment

The location of the fuses in the engine compartment: Audi A3 / S3 (2020, 2021, 2022)

Fuse Box Diagrams

Instrument Panel Fuse Box

Instrument panel fuse box diagram: Audi A3 / S3 (2020, 2021, 2022)

Assignment of the fuses in the passenger compartment fuse box
3Trailer hitch
4Drive components, exhaust treatment
5Automatic transmission selector lever
6Vehicle electrical system control module
7Seat heating controls, electrical system control module
8Panoramic glass roof
9Control module for front driver's side door, rear driver's side power window
11Trailer hitch
12Vehicle electrical system control module
13Vehicle electrical system control module
14Sound system
16Airbag control module
17Exhaust treatment
18Steering column lock, convenience access and start authorization control module
19Instrument cluster, emergency call module
20Infotainment system, USB input
21Driver assistance systems control module, camera systems, side assist, luggage compartment lid
23Front passenger’s side lumbar support
24All wheel drive control module
25Left front safety belt tensioner
26Front passenger’s side door control module, rear passenger's side power window
27Right front safety belt tensioner
28High-voltage battery emergency cut-off point
29Trailer hitch
30Infotainment system
31Trailer hitch
33Front driver’s side lumbar support
35Vehicle electrical system control module
36Climate control system blower
37Luggage compartment lid control module
39Steering column electronics
40Anti-theft alarm system
41Diagnostic interface
42Automatic transmission selector lever
43Tire pressure monitoring, climate control system controls, auxiliary heating, interior temperature sensor, rear window heater relay
44Particulate matter sensor, roof electronics control module, parking brake button, anti-theft alarm, diagnostic connection, headlight range control, garage door opener control module, light switch, light/ rain sensor
45Steering column electronics
46Volume control, center display, head-up display
47Suspension control
48USB input
5212 volt socket
58Driver assistance systems control module, front camera, parking aid
59Climate control system, exterior sound, rearview mirror, back-up light switch, center console switch panel, air quality sensor, 12 volt socket relay
60Diagnostic connection
61Clutch position sensor, electric drive system, high-voltage battery
64Passenger's side passenger occupant detection system, passenger’s airbag OFF warning light
65Exterior sound
66Rear window wiper
67Rear window defogger


Engine Compartment Fuse Box

Under-hood fuse box diagram: Audi A3 / S3 (2020, 2021, 2022)

Assignment of the fuses in the engine compartment fuse box
2Drive system control module, Electronic Stabilization Control (ESC), Anti-Lock Braking System (ABS)
3Motor components, fuel pump, climate control system, high-voltage charger, electric drive system
4Left headlight
5Right headlight
7Transmission fluid cooling
8Brake booster
10Windshield wipers
11Climate control system
12Transmission control module
13Electronic Stabilization Control (ESC), Anti-Lock Braking System (ABS)
14Auxiliary heating, sound actuator
15Electronic Stabilization Control (ESC), Anti-Lock Braking System (ABS)
16Automatic transmission
17Exhaust treatment, climate control, auxiliary heating
18Climate control, auxiliary heating
21Drive system control module
22Engine start
23Drive system control module
24Engine components, diesel module, exhaust treatment, fuel leak diagnosis, oil level and oil temperature sensor, engine cooling
25Engine components, exhaust treatment
26Engine components, exhaust doors, fuel leak diagnosis, engine cooling, transmission fluid cooling, exhaust treatment
27Heated oxygen sensors
28Engine components
29Fuel pump, transmission control module
30Engine cooling
33Climate control, auxiliary heating