Audi A8 D5 (2018-2020) – fuse box
Audi A8 D5 (2018-2020) – fuse box diagram
Year of production:2018, 2019, 2020.
Location of the fuse box
Passenger compartment
There are two fuse blocks in the cabin:
The first is on the left side of the cockpit.
And the other is behind the cover in the left footwell.
Trunk
It is located on the left side of the boot, behind the side trim panel.
Fuse box diagrams
Fuse panel in the cockpit
Fuse assignment on the left side of the dashboard
| Number | Description |
|---|---|
| A1 | 2018-2019:
Climate control system; 2020: Air conditioning system; Indoor air sensor. |
| A2 | Telephone;
Roof antenna. |
| A3 | 2018-2019:
Air conditioning system; Fragrance system; Ionizer; 2020: Climate control system; Fragrance system; Particulate sensor. |
| A4 | Head-up display |
| A5 | 2018-2019:
Audi music interface; 2020: Audi music interface; USB sockets. |
| A7 | Steering column lock |
| A8 | Front MMI display |
| A9 | Dashboard |
| A10 | Volume control |
| A11 | Light switch;
Switch panels. |
| A12 | Steering column electronics |
| A14 | MMI Infotainment system control module |
| A15 | Steering column adjustment |
| A16 | Steering wheel heating |
Foot fuse panel
Assignment of fuses in the footwell
| Number | Description |
|---|---|
| Fuse panel A (brown) | |
| A1 | Engine ignition coils |
| A2 | Engine start (electric motor clutch) |
| A3 | Windshield wiper control module |
| A4 | Left headlight electronics |
| A5 | Air conditioning blower |
| A6 | Instrument panel |
| A7 | Wipers |
| A9 | Panoramic glass sunroof |
| Fuse panel B (black) | |
| B1 | Engine mount |
| B2 | Left Rear Door Control Module |
| B3 | Windscreen washers;
Headlight washers. |
| B4 | Right headlight electronics |
| B5 | Front seat heating |
| B6 | Right rear door control module |
| B7 | Sockets |
| B8 | Left front door control module |
| B9 | 2018-2019:
Not used; 2020: Auxiliary heating |
| Fuse panel C (red) | |
| C1 | Anti-theft alarm system |
| C2 | Engine control module |
| C5 | Horn |
| C6 | Parking brake |
| C7 | Gate control module (diagnostics) |
| C8 | Interior headlining lighting |
| C9 | Driver assistance systems control module |
| C10 | Airbag control module |
| C11 | 2018-2019:
Electronic Stability Control (ESC); 2020: Electronic Stability Control (ESC); Anti-lock Braking System (ABS). |
| C12 | 2018-2019:
Diagnostic connector; Light and rain sensor; 2020: Rear climate control unit; Diagnostic connector; Light and rain sensor. |
| C13 | Climate control system |
| C14 | Right front door control module |
| C15 | Air conditioning system;
Body electronics. |
| C16 | 2018-2019:
Not used; 2020: Braking system |
| Fuse panel D (black) | |
| D2 | Engine components |
| D3 | Engine components |
| D4 | Engine components |
| D5 | Brake light sensor |
| D6 | Engine components |
| D7 | Engine components |
| D8 | Engine components |
| D9 | Engine components |
| D10 | Oil pressure sensor;
Oil temperature sensor. |
| D11 | Engine start |
| D12 | Engine components |
| D13 | Radiator fan |
| D14 | Engine control module |
| D15 | Engine sensors |
| D16 | Fuel pump |
Luggage compartment fuse box
Assignment of fuses in the trunk
| Number | Description |
|---|---|
| Fuse panel A (black) | |
| A1 | 2018-2019:
Not used; 2020: Thermal management |
| A5 | Pneumatic suspension |
| A6 | Automatic gearbox |
| A7 | Right rear seat adjustment |
| A8 | Rear seat heating |
| A9 | Central lock;
Rear lights. |
| A10 | Driver’s side front belt tensioner |
| A11 | 2018-2019:
Central lock; Rear roller blind; 2020: Central lock; Rear roller blind; Fuel filler door. |
| A12 | Trunk lid |
| Fuse panel B (red) | |
| B1 | Rear air conditioning blower |
| B3 | 2018-2019:
Not used; 2020: Exhaust gas cleaning; Sound activator. |
| B4 | Rear air conditioning control panel |
| B5 | Right trailer hitch light |
| B6 | Trailer hitch positioning motor |
| B7 | Towbar |
| B8 | Left trailer hitch lamp |
| B9 | Trailer hitch socket |
| B10 | Sports differential |
| B11 | 2018-2019:
Not used; 2020: Exhaust gas treatment. |
| Fuse panel C (brown) | |
| C1 | Driver assistance systems control module |
| C2 | Audi phone box |
| C3 | Rear seat adjustment |
| C4 | Side assistant |
| C5 | Rear entertainment system (Audi tablet) |
| C6 | Tire pressure monitoring system |
| C7 | Emergency call system |
| C8 | 2018-2019:
Monitoring of fuel tanks; 2020: Parking heater radio receiver; Fuel tank monitoring. |
| C9 | Gear selector, automatic transmission |
| C10 | 2018-2019:
Television tuner; 2020: Television tuner; Data exchange control module. |
| C11 | Vehicle Opening / Starting (NFC) |
| C12 | Garage door opener |
| C13 | Reversing camera;
Peripheral cameras. |
| C14 | Central lock;
Rear lights. |
| C15 | Left rear seat adjustment |
| C16 | Front passenger side belt tensioner |
| Fuse panel D (black) | |
| D1 | 2018-2019:
Seat ventilation; Seat heating; Rearview mirror; Air conditioning system; Rear air conditioning system control; 2020: Seat ventilation; Rear seat heating; Rearview mirror; Refrigerator; Diagnostic connector. |
| D2 | Gate control module (communication) |
| D3 | Sound activator |
| D4 | Transmission heating valve |
| D5 | 2018-2019:
Engine start; 2020: Engine start; Electric engine. |
| D7 | 2018-2019:
Not used; 2020: Active accelerator pedal. |
| D8 | 2018-2019:
Night vision assistant; 2020: Night vision assistant; Active suspension. |
| D9 | Adaptive cruise assistant |
| D11 | Assistant at intersections;
Driver assistance systems. |
| D12 | 2018-2019:
Not used; 2020: External sound. |
| D14 | Right headlight |
| D15 | Left headlight |
| Fuse panel E (red) | |
| E1 | 2018-2019:
Not used; 2020: Active suspension. |
| E2 | 2018-2019:
Not used; 2020: Service switch. |
| E3 | Refrigerator |
| E 4 | 2018-2019:
Not used; 2020: Electric engine. |
| E5 | Braking system |
| E6 | 2018-2019:
Not used; 2020: High voltage battery water pump. |
| E7 | 2018-2019:
Not used; 2020: Air conditioning in the interior. |
| E8 | 2018-2019:
Not used; 2020: Air conditioning compressor. |
| E9 | Auxiliary battery control module |
| E10 | 2018-2019:
Not used; 2020: High voltage battery. |
| E11 | 2018-2019:
Not used; 2020: High voltage battery. |
| E14 | 2018-2019:
Not used; 2020: Thermal management. |
| E15 | 2018-2019:Not used;
2020: Thermal management. |
| Fuse panel F (white) | |
| F1 | Rear center armrest heating |
| F2 | Rear sliding sunroof |
| F3 | CD / DVD player |
| F5 | AC socket |
| F6 | Passenger’s rear seat belt pretensioner |
| F7 | Heated front center armrest |
| F8 | Rear footrest heating |
| F11 | Rear seat remote control |
| F12 | Driver’s side rear seat belt pretensioner |