Audi Q7 (4M) | 2020-2025 | Fuse Box Diagrams and Locations

Audi Q7 2021-2022

In this article, we focus on the facelifted second-generation Audi Q7 (chassis code 4M), a premium mid-size luxury SUV available from 2020 to the present. Known for its refined design, advanced technology, and powerful performance, the facelifted Q7 continues to set high standards in the luxury SUV segment.

Here, you will find detailed fuse box diagrams for Audi Q7 models produced in 2020, 2021, 2022, 2023, 2024 and 2025. These diagrams provide critical insights into the vehicle’s electrical systems, helping owners and technicians understand the assignment of each fuse (fuse layout). This information is vital for troubleshooting electrical issues, performing routine maintenance, or addressing necessary repairs.

This guide serves as an invaluable resource for understanding the electrical system of the facelifted second-generation Audi Q7, ensuring that owners have the information they need to maintain the functionality, reliability, and performance of this luxury SUV.

Fuse Box Location

Driver’s side of the cockpit

The location of the fuses in the passenger compartment: Audi Q7 (2020, 2021, 2022)

The fuses are located on the front side of the cockpit (driver’s side).

Driver’s/front passenger’s footwell

The location of the fuses in the passenger compartment: Audi Q7 (2020, 2021, 2022)

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Left-hand drive vehicle: The fuses are located in the left footwell under the footrest;
Right-hand drive vehicle: The fuses are located behind a cover in the left footwell.

Luggage Compartment

The location of the fuses in the trunk: Audi Q7 (2020, 2021, 2022)

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The fuses are located under a cover in the luggage compartment.

The location of the fuses in the trunk: Audi Q7 (2020, 2021, 2022)

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Plug-in hybrid

Fuse Box Diagrams

Driver’s side of the cockpit

Instrument panel fuse box diagram: Audi Q7 (2020, 2021, 2022)

Assignment of the fuses in the driver’s side of the cockpit

№Equipment
A2Audi phone box, coupling antenna
A3Climate control system, fragrance system
A4Head-up display
A5Audi music interface, USB connection
A7Steering column lock
A8Upper/lower display
A9Instrument cluster
A10DVD drive
A11Light switch, switch panels
A12Steering column electronics
A13Volume control
A14MMI Infotainment system control module
A15Steering column adjustment
A16Steering wheel heating

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Driver’s/front passenger’s footwell

LHD

Interior fuse box diagram (LHD): Audi Q7 (2020, 2021, 2022)

RHD

Interior fuse box diagram (RHD): Audi Q7 (2020, 2021, 2022)

Assignment of the fuses in the front footwell

№Equipment
Fuse panel A (brown)
A1Catalytic converter heating, camshaft adjustment
A2Mass airflow sensor, heated oxygen sensors
A3Motor heating, fuel injectors, exhaust doors
A4Hot water pump, exhaust doors, NOX sensor, particulate sensor, biodiesel sensor
A5Brake light sensor
A6Engine valves
A7Heated oxygen sensor, mass airflow sensor
A8High pressure pump, motor mount
A9Motor components, motor relay
A10Oil pressure sensor, oil temperature sensor
A1148 volt coolant pump, 48 volt starter generator, 12 volt starter generator
A12Engine valves
A13Engine cooling
A14Drive system control module
A15Heated oxygen sensors
A16Fuel pump
Fuse panel B (red)
B1Ignition coils
B348 volt heater
B4Electric compressor
B5Engine mount
B6Windshield washer system control module
B7Instrument panel
B8Climate control system blower
B9Driver assistance systems control module
B10Emergency call and communication control module
B11Engine start, electric drive clutch
B12Right headlight
Fuse panel C (black)
C1Front seat heating
C2Windshield wipers
C3Left headlight electronics
C4Panoramic glass roof
C5Left front door control module
C6Sockets
C7Right rear door control module
C8Left headlight
C9Right headlight electronics
C10Windshield washer system/headlight washer system control module
C11Left rear door control module
C12Parking heater
Fuse panel D (brown)
D1Seat ventilation, seat electronics, rearview mirror, rear climate control system control panel, diagnostic connection, traffic information antenna (TMC)
D2Vehicle electrical system control module, diagnostic interface
D3Sound generator
D4Transmission fluid cooling valve
D5Engine start, electric drive
D8Night vision assist, active roll stabilization
D9Adaptive cruise assist, front wheel sensors
D10Exterior sound generator
D11Intersection assistant, driver assist systems
D12Right headlight
D13Left headlight
D15USB connection
D16Rear Seat Entertainment preparation
Fuse panel E (red)
E1Anti-theft alarm system
E2Engine control module
E3Front seat electronics, lumbar support
E4Automatic transmission selector lever
E5Horn
E6Parking brake
E7Diagnostic interface
E8Roof electronics control module
E948 volt starter generator
E10Airbag control module
E11Electronic Stabilization Control (ESC), Anti-Lock Braking System (ABS)
E12Diagnostic connection, light/rain sensor
E13Climate control system
E14Right front door control module
E15Climate control system compressor
E16Brake system pressure reservoir

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Luggage Compartment

Trunk fuse box diagram: Audi Q7 (2020, 2021, 2022)
Trunk fuse box diagram: Audi Q7 (2020, 2021, 2022)

Plug-in hybridAssignment of the fuses in the trunk

№Equipment
Fuse panel A (black)
A1High-voltage heating, thermomanagement
A5Air suspension/suspension control
A6Automatic transmission control module
A7Rear seat heating, rear climate control system controls
A8Third row seat adjustment
A92021: Left tail light
2022: Convenience system control module, left tail light
A10Front belt tensioner on driver’s side
A11Luggage compartment lid central locking, fuel filler door, luggage compartment cover
A12Luggage compartment lid control module
Fuse panel B (red)
B1Rear climate control system blower
B2Sound-amplifier
B3Exhaust treatment, sound actuator
B4Rear climate control system control panel
B5Right trailer hitch light
B6Trailer hitch positioning motor
B7Trailer hitch release
B8Left trailer hitch light
B9Trailer hitch socket
B10Allroad sport differential
B11Exhaust treatment
B12Driver’s side rear safety belt tensioner
Fuse panel C (brown)
C1Driver assistance systems control module
C2Audi phone box
C32021: Front seat electronics, right lumbar support
2022: Right lumbar support
C4Side assist
C52021: Rear Seat Entertainment preparation
C6Tire pressure monitoring system
C7Exterior antenna
C8Auxiliary heating radio receiver, tank module
C10TV tuner, data exchange and telematics control module
C11Convenience access and start authorization control module
C12Garage door opener
C13Rearview camera, peripheral cameras
C14Convenience system control module, right tail light
C15Passenger’s side rear safety belt tensioner
C16Front belt tensioner on front passenger’s side
Fuse panel D (red)
D1Active roll stabilization
D2High-voltage battery
D3High-voltage battery coolant pump
D4Power electronics control module
D5Brake booster
D6Voltage converter
D7Engine start
D8Climate control system compressor
D9Auxiliary battery control module
D10High-voltage battery
D11Charging system
D12Auxiliary heating and air conditioning radio receiver
D14Thermal management, coolant pumps
D15Thermomanagement control module
Fuse panel E (brown)
E7Front seat heating
E9Exhaust treatment
E10Rear seat heating, rear climate control system controls
E12Exhaust treatment

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