In this article, we focus on the facelifted second-generation Audi Q5 (chassis code FY) , a premium compact luxury SUV available from 2021 to the present . Known for its refined styling, advanced technology, and dynamic performance, the facelifted Q5 continues to uphold Audi’s reputation for excellence in the luxury SUV segment.
Here, you will find detailed fuse box diagrams for Audi Q5 and SQ5 models produced in 2021, 2022, 2023, 2024 and 2025 . These diagrams provide essential information about the vehicle’s electrical systems, helping owners and technicians understand the assignment of each fuse (fuse layout). This knowledge is invaluable for troubleshooting electrical issues, performing maintenance, or carrying out repairs efficiently.
This guide is a practical resource for understanding the electrical system of the facelifted second-generation Audi Q5, ensuring that owners have the necessary information to maintain the functionality, reliability, and performance of this exceptional luxury SUV.
Driver’s/front passenger’s footwell
The fuses are located in the footwell under the foot rest (left-hand drive vehicle) or behind the cover (right-hand drive vehicle).
Additional fuses are located on the front side of the cockpit (driver’s side).
The fuses are located under the left cover in the luggage compartment.
Driver’s/front passenger’s footwell
Left-hand drive vehicles
Right-hand drive vehicles
Assignment of the fuses in the front footwell
№ Equipment A1 Catalytic converter heating A2 Engine components A3 Exhaust doors, fuel injectors, radiator inlet, crankcase housing heating A4 Vacuum pump, hot water pump, NOx sensor, particulate sensor, biodiesel sensor, exhaust doors A5 Brake light sensor A6 Engine valves, camshaft adjustment A7 Heated oxygen sensors, mass airflow sensor, water pump A8 Water pump, high pressure pump, high pressure regulator valve, temperature valve, engine mount A9 Hot water pump, motor relay, 48 V drive-train generator, 48 V water pump A10 Oil pressure sensor, oil temperature sensor A11 Clutch position sensor, 48 V drivetrain generator, water pump, 12 V drivetrain generator A12 Engine valves, engine mount A13 Engine cooling A14 Fuel injectors, engine control module A15 Ignition coils, heated oxygen sensors A16 Fuel pump B1 Anti-theft alarm system B2 Drive system control module B3 Left front seat electronics, lumbar support, massaging seat B4 Automatic transmission selector lever B5 Horn B6 Parking brake B7 Diagnostic interface B8 Roof electronics control module B9 Emergency call module B10 Airbag control module B11 Electronic Stabilization Control (ESC), Anti-Lock Braking System (ABS) B12 Diagnostic connection, light/rain sensor B13 Climate control system B14 Right front door control module B15 Climate control system compressor B16 Brake system pressure reservoir C1 Front seat heating C2 Windshield wipers C3 Left headlight electronics C4 Panoramic glass roof C5 Left front door control module C6 Sockets C7 Right rear door control module, right rear power window C8 All wheel drive control module C9 Right headlight electronics C10 Windshield washer system/headlight washer system control module C11 Left rear door control module, left rear power window C12 Parking heater D1 Front seat electronic, seat ventilation, rearview mirror, rear climate control system control panel, windshield heating, diagnostic connection D2 Diagnostic interface, vehicle electrical system control module D3 Sound generator D4 Clutch position sensor D5 Engine start, emergency shut-off D6 2021: Diagnostic connection, traffic information antenna (TMC) D7 USB connection D8 Garage door opener D9 Audi adaptive cruise control, distance regulation D10 Exterior sound, active accelerator pedal D11 Front camera D12 Right headlight D13 Left headlight D14 Transmission fluid cooling D15 Alarm and hands-free calling system E1 Ignition coils E2 Climate control system compressor E5 Left headlight E6 Automatic transmission E7 Instrument panel E8 Climate control system blower E9 Right headlight E10 Dynamic steering E11 Engine start, thermal management E12 Oil pump
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Assignment of the fuses in the driver’s side of the cockpit
№ Equipment 4 Head-up display 5 Audi music interface, USB input 6 Front climate control system control panel 7 Steering column lock 8 Center display 9 Instrument cluster 10 Volume control 11 Light switch, switch module 12 Steering column electronics 14 Infotainment system 15 Steering column adjustment 16 Steering column electronics, steering wheel heating
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Assignment of the fuses in the trunk
№ Equipment A1 Thermal management, coolant pumps A2 Windshield defroster A3 Windshield defroster A5 Air suspension / suspension control A6 Automatic transmission A7 Rear window defogger A8 Rear seat heating A9 Left tail lights A10 2021: Airbag control module A11 Luggage compartment lid lock, fuel filler door lock, convenience system control module A12 Luggage compartment lid No. Equipment B2 2021: High-voltage battery B3 High-voltage battery water pump B4 Electric drive system, power electronics B6 Electric compressor B8 Climate control system compressor B9 Temperature control B10 High-voltage battery B11 High-voltage charger C1 Exterior antenna C2 Audi phone box C3 Right front seat electronics, lumbar support, massaging seat C4 Side assist C6 Tire pressure monitoring system C7 Convenience access and start authorization control module C8 Auxiliary heating, tank module C9 Climatized cup holder C10 TV tuner, data exchange and telematics control module C11 Auxiliary battery control module C12 Garage door opener C13 Rearview camera, peripheral cameras C14 Right tail lights C16 2021: Airbag control module E3 Exhaust treatment E5 Right trailer hitch light E7 Trailer hitch E8 Left trailer hitch light E9 Trailer hitch socket E10 All wheel drive control module, sport differential E11 Exhaust treatment
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