The fifth generation of the A6 was first revealed in February 2018. The official premiere took place at the Geneva Motor Show in March 2018. In April 2018, the station wagon body was presented. The restyling took place in 2022. In this material we will understand in detail the fuse box diagrams of the Audi A6 C8 (fifth generation; MLB Evo platform; body make 4K) 2018, 2019, 2020, 2021, 2022, 2023, 2024 year of manufacture.
Here you will find the location and photos of distribution boxes. The fuses responsible for the “Cigarette lighter” and “Fuel Pump” are highlighted in bold.
In the luggage compartment
The fuse box is located on the left side, near the rear passenger seat backrest.
| Diagram | |
|---|---|
|
|
| No. | Description |
| Panel A (black) | |
| A1 | 2021-2022: Thermal management |
| A3 | Passenger side rear seat belt tensioner |
| A4 | Driver's side rear seat belt tensioner |
| A5 | Air suspension |
| A6 | Automatic transmission |
| A7 | Rear sliding sunroof, rear spoiler |
| A8 | Heated rear seats |
| A9 | 2018-2019: Central locking, taillights or 2020: Left taillight or 2021-2024: Comfort control module, left taillight |
| A10 | Driver's side front seat belt tensioner |
| A11 | 2018-2019: Central lock, rear blind or 2020: Central luggage compartment lid lock, fuel filler door, luggage compartment lid or 2021-2024: Central luggage compartment lid lock, fuel filler door, sun visor, luggage compartment lid |
| A12 | Luggage compartment lid control module |
| Panel B (red) | |
| B1 | 2018-2019: Not used or 2020: Suspension stabilization control module |
| B2 | 2018-2019: Not used or 2020: Service disconnect switch |
| B4 | 2018-2019: Not Used or 2020: Electric Motor or 2021-2024: Electric Drive System, Power Electronics |
| B5 | 2018-2020: Brake system or 2021-2024: Brake system, brake booster |
| B6 | 2018-2019: Not used or 2020-2022: High voltage battery water pump |
| B7 | 2018-2019: Not used or 2020: Hybrid interior climate control with remote control or 2021: Auxiliary climate control |
| B8 | 2018-2019: Not used or 2020: Hybrid air conditioning system compressor or 2021-2022: Climate control system compressor |
| B9 | Auxiliary battery control module |
| B10 | 2018-2019: Not used or 2020-2024: Hybrid high voltage battery pack |
| B11 | 2018-2019: Not used or 2020-2024: Hybrid charger |
| B14 | 2018-2019: Not used or 2020-2024: Thermostat, water pump |
| B15 | 2018-2019: Not used or 2020-2024: Thermoregulation control module |
| B16 | 2018-2019: Not used or 2020: Gateway |
| Panel C (brown) | |
| C1 | Driver assistance systems control module |
| C2 | 2018-2020: Phone unit, roof antenna or 2021-2024: Phone unit |
| C3 | 2018-2019: Right front lumbar support or 2020-2021: Front seat electronics, right lumbar support or 2022: Right lumbar support |
| C4 | Side assist |
| C5 | 2018-2019: Not used or 2020-2021: Rear climate control system control panel or 2022: Rear seat remote control panel |
| C6 | Tire pressure monitoring system |
| C7 | Emergency call system |
| C8 | 2018-2019: Not used or 2020-2024: Parking heater radio, fuel tank control |
| C9 | Automatic transmission selector lever |
| C10 | TV tuner, communication and telematics control module |
| C11 | Car opening/starting (NFC) |
| C12 | Garage door opener |
| C13 | Rearview camera, peripheral cameras |
| C14 | Central locking, tail lights |
| C16 | Front passenger side front seat belt tensioner |
| Panel D (black) | |
| D1-D16 | Empty |
| Panel E (red) | |
| E2 | 2021-2022: Outdoor antenna |
| E3 | Exhaust system, sound drive, air conditioning socket |
| E4 | Rear climate control system control panel |
| E5 | Right trailer hitch light, right rear seat adjustment |
| E7 | Trailer hitch |
| E8 | Left hitch light, right rear seat adjustment |
| E9 | Socket for hitch, high voltage battery |
| E10 | All-wheel drive sport differential |
| E11 | Exhaust treatment |
| E12 | 48 V generator |
Additional fuses:
A. | Front passenger seat adjustment with memory control unit (right-hand drive) 15A
B. | Empty
C. | Rear window heater relay 30A
D. | Adaptive suspension compressor electronics 40A
E. | Empty
F. | Empty
In the passenger compartment
Here there are two fuse blocks responsible for the protection of the car's electrical circuits.
Fuse box #1
It is located behind the cover plate in the driver's footwell.
Example of access.
| Diagram | |
|---|---|
|
|
| № | Description |
| Panel A (black) | |
| A1 | 2018-2019: Empty or 2020-2023: Heated catalytic converter |
| A2 | Engine electrical system |
| A3 | Engine electrical system |
| A4 | Engine electrical system |
| A5 | Brake light sensor |
| A6 | 2018-2019: Engine Electrical or 2020-2024: Engine valves, camshaft adjustment |
| A7 | Engine Electrical Equipment |
| A8 | Engine Electrical Equipment |
| A9 | 2018-2020: Engine electrical system or 2021-2024: Engine electrical system, 48V water pump, 48V transmission alternator |
| A10 | Oil pressure sensor, oil temperature sensor |
| A11 | 2018-2019: Engine start or 2020 - 2024: Engine electrical system, 48V water pump, 48V transmission alternator, 48V transmission alternator, 12V transmission alternator |
| A12 | Engine electrical system, engine valves, engine mount |
| A13 | Radiator fan |
| A14 | 2018-2019: Engine control module or 2020-2024: Engine control module, fuel injectors |
| A15 | 2018-2020: Engine sensors or 2021 through 2024: Engine sensors, ignition coils, oxygen sensors |
| A16 | Fuel pump (Audi A6 gasoline pump fuse) |
| Panel B (red) | |
| B1 | Anti-theft alarm system |
| B2 | Engine control module |
| B3 | Left front seat lumbar support |
| B5 | Siren |
| B6 | Parking brake |
| B7 | Gateway control module (diagnostics) |
| B8 | 2018-2019: Interior Lighting or 2020-2024: Roof Electronics Control Module |
| B9 | Driver assistance systems control module |
| B10 | Airbag Control Module |
| B11 | Electronic Stability 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 compressor, body electronics |
| B16 | Auxiliary battery control module, brake system pressure reservoir |
| Panel C (red) | |
| C1 | Engine ignition coils |
| C3 | 2018-2019: Empty or 2020-2024: High voltage heating, compressor |
| C5 | Engine mount |
| C6 | Automatic transmission |
| C7 | Dashboard |
| C8 | Climate control system fresh air blower |
| C9 | Windshield wiper control module |
| C10 | Dynamic steering |
| C11 | Engine start |
| C12 | 2018-2019: Empty or 2020: Automatic transmission or 2021-2024: Automatic transmission fluid pump |
| Panel D (black) | |
| D1 | Heated front seats |
| D2 | Windshield wipers |
| D3 | Left headlight electronics |
| D4 | Panoramic glass roof |
| D5 | Left front door control module |
| D6 | 12v Sockets |
| D7 | Right rear door control module |
| D8 | Four-wheel drive (quattro) control module |
| D9 | Right headlamp electronics |
| D10 | Windshield washer/headlight washer system |
| D11 | Left tailgate control module |
| D12 | Parking heater |
| Panel E (brown) | |
| E1 | 2018-2019: Seat ventilation, seat heating, rearview mirror, climate control system, rear climate control system controls or 2020 through 2024: Seat ventilation, seat electronics, rearview mirror, rear climate control control control panel, diagnostic connector, traffic information antenna (TMC) |
| E2 | 2018-2019: Climate control system or 2020 through 2024: Vehicle electrical system control module, gateway control module |
| E3 | Sound actuator/exhaust sound customization |
| E4 | Transmission heating valve |
| E5 | Engine start |
| E7 | Active gas pedal pedal |
| E8 | Night vision system, active roll stabilization |
| E9 | Adaptive Cruise Assist, front radar |
| E11 | Intersection Assist, Driver Assistance Systems |
Fuse box #2
Located in the driver's side end of the dashboard.
Remove part of the trim to gain access.
Diagram
No. | Description
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 panel
A8. | MMI front display (upper/lower)
A9. | Heated steering wheel
Panel B (brown)
B2. | MMI Infotainment system control module
B3. | Audio system, USB connector, cigarette lighter fuse
B4. | Windshield display
B5. | Climate control system, aroma system, ionizer
B9. | Steering column lock
