Audi A8 D5 (2018-2020) – fuse box diagram
Year of manufacture: 2018, 2019, 2020.
Fuse box location
Passenger compartment
There are two fuse blocks in the cabin:
The first is located on the left side of the cockpit.
And the second is behind the cover in the left leg room.
Luggage compartment
Located on the left side of the luggage compartment, behind the side trim panel.
Fuse box diagrams
Cockpit Fuse Panel
Fuse assignment on the left side of the instrument panel (2018-2020)
| Number | Description |
|---|---|
| A1 | 2018-2019:
Climate control system; 2020: Air conditioning system; Indoor air sensor. |
| A2 | Phone;
Roof Antenna. |
| A3 | 2018-2019:
Air conditioning system; Fragrance system; Ionizer; 2020: Climate control system; Scent system; Particulate matter sensor. |
| A4 | Main Screen |
| 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;
Panel switch. |
| A12 | Steering Column Electronics |
| A14 | Infotainment system control module MMI |
| A15 | Steering column adjustment |
| A16 | Steering wheel heating |
Foot fuse panel
Assignment of fuses in the leg room (2018-2020)
| Number | Description |
|---|---|
| Fuse Panel A (brown) | |
| A1 | Engine Ignition Coils |
| A2 | Starting the engine (electric motor clutch) |
| A3 | Windshield wiper control module |
| A4 | Left-Headlight Electronics |
| A5 | A/C system fan |
| A6 | Dashboard |
| A7 | Wipers |
| A9 | Panoramic glass roof |
| Fuse Panel B (black) | |
| B1 | Engine Mounting |
| B2 | Left-hand rear door control module |
| B3 | Windshield washers;
Headlight washers. |
| B4 | Right Headlight Electronics |
| B5 | Front seat heating |
| B6 | Right Rear Door Control Module |
| B7 | Sockets |
| B8 | Front left door control module |
| B9 | 2018-2019:
Unused; 2020: Parking Lot Heater |
| Fuse panel C (red) | |
| C1 | Anti-theft alarm system |
| C2 | Motor control module |
| C5 | Horn |
| C6 | Parking brake |
| C7 | Gate control module (diagnostic) |
| C8 | Interior lining illumination |
| 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 | Front right door control module |
| C15 | Air conditioning system;
Body electronics. |
| C16 | 2018-2019:
Unused; 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 | Starting the engine |
| D12 | Engine components |
| D13 | Radiator Fan |
| D14 | Motor control module |
| D15 | Engine Sensors |
| D16 | Fuel Pump |
Luggage compartment fuse box
Boot fuse assignment (2018-2020)
| Number | Description |
|---|---|
| Fuse panel A (black) | |
| A1 | 2018-2019:
Unused; 2020: Thermal Management |
| A5 | Air Suspension |
| A6 | Automatic transmission |
| A7 | Right rear seat adjustment |
| A8 | Rear seat heating |
| A9 | Central locking;
Rear lights. |
| A10 | Front belt tensioner on driver’s side |
| A11 | 2018-2019:
Centralized locking; Rear roller blind; 2020: Central locking; Rear roller blind; Fuel filler door. |
| A12 | Boot lid |
| Fuse panel B (red) | |
| B1 | Rear air conditioning system fan |
| B3 | 2018-2019:
Unused; 2020: Exhaust gas treatment; Sound Activator. |
| B4 | Rear air conditioning control panel |
| B5 | Trailer Hitch Light Right |
| B6 | Positioning Trailer Hitch Motor |
| B7 | Towing hook |
| B8 | Left Trailer Hitch Lamp |
| B9 | Trailer Hitch Socket |
| B10 | Sport differential |
| B11 | 2018-2019:
Unused; 2020: Exhaust gas treatment. |
| Fuse panel C (brown) | |
| C1 | Control Module for Driver Assistance Systems |
| C2 | Audi Telephone Box |
| C3 | Rear seat adjustment |
| C4 | Lateral assistance |
| C5 | Rear entertainment system (Audi tablet) |
| C6 | Tire pressure monitoring system |
| C7 | Emergency Call System |
| C8 | 2018-2019:
Fuel tank monitoring; 2020: Radio Receiver Parking Lot Heater; Fuel tank monitoring. |
| C9 | Automatic transmission shift lever |
| C10 | 2018-2019:
TV Tuner; 2020: TV Tuner; Data exchange control module. |
| C11 | Vehicle opening/entry (NFC) |
| C12 | Garage door opener |
| C13 | Reversing Camera;
Peripheral cameras. |
| C14 | Central locking;
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; Rear view mirror; Refrigerator; Diagnostic connector. |
| D2 | Door Control Module (communication) |
| D3 | Sound Activator |
| D4 | Transmission heating valve |
| D5 | 2018-2019:
Starting the engine; 2020: Starting the engine; Electric motor. |
| D7 | 2018-2019:
Unused; 2020: Active accelerator pedal. |
| D8 | 2018-2019:
Night Vision Assistant; 2020: Night Vision Assistant; Active Suspension. |
| D9 | Adaptive Cruise Assistance |
| D11 | Assistance at crossings;
Driver assistance systems. |
| D12 | 2018-2019:
Unused; 2020: Exterior sound. |
| D14 | Headlight right |
| D15 | Left Headlight |
| Fuse panel E (red) | |
| E1 | 2018-2019:
Unused; 2020: Active Suspension. |
| E2 | 2018-2019:
Unused; 2020: Service switch. |
| E3 | Refrigerator |
| E 4 | 2018-2019:
Unused; 2020: Electric motor. |
| E5 | Brake System |
| E6 | 2018-2019:
Unused; 2020: High voltage rechargeable water pump. |
| E7 | 2018-2019:
Unused; 2020: Air conditioning inside. |
| E8 | 2018-2019:
Unused; 2020: Air conditioning compressor. |
| E9 | Auxiliary Battery Control Module |
| E10 | 2018-2019:
Unused; 2020: High voltage battery. |
| E11 | 2018-2019:
Unused; 2020: High voltage battery. |
| E14 | 2018-2019:
Unused; 2020: Thermal Management. |
| E15 | 2018-2019:
Unused; 2020: Thermal Management. |
| Fuse panel F (white) | |
| F1 | Rear center armrest heating |
| F2 | Rear sliding roof |
| F3 | CD/DVD Player |
| F5 | AC Socket |
| F6 | Rear passenger side seat belt pretensioner |
| F7 | Front center armrest heating |
| F8 | Rear footrest heating |
| F11 | Rear seat remote control |
| F12 | Driver’s side rear seat belt pretensioner |
