Audi A8 2018 Fuse Box Info
Passenger compartment fuse box location:
The instrument panel fuse box is located on the end of the instrument panel on the driver’s side of the vehicle.
The instrument panel fuse box is located on the end of the instrument panel on the passenger’s side of the vehicle.
Luggage compartment fuse box location:
The luggage compartment fuse box is located behind the rear seat trim panel.
Fuse Box Diagram | Layout
Passenger compartment fuse box (Left Side):
| Fuse/Relay N° | Functions |
| Fuse panel B (brown) | |
| 1 | Light switch |
| 2 | Emergency start coil (driver identification) |
| 3 | Left rear door control module |
| 4 | Head-up display |
| 5 | Horn |
| 6 | Interior lights (headliner) |
| 8 | Steering column lever, multifunction steering wheel controls, steering wheel heating |
| 10 | Power steering column adjustment |
| 11 | Driver door control module |
| 12 | Diagnostic connector, light/rain sensor |
| 14 | Power steering column adjustment |
| 15 | Power steering, AC compressor |
| 16 | Brake booster |
| Fuse panel C (black) | |
| 1 | Front seat heating |
| 2 | Windshield wipers |
| 3 | Front exterior lighting |
| 4 | Sliding/tilting sunroof |
| 5 | Driver power window |
| 6 | Driver seat (pneumatic) |
| 7 | Panorama glass roof |
| 8 | Dynamic steering |
| 9 | Front exterior lighting |
| 10 | Windshield/headlight washer system |
| 11 | Left rear power window |
| 12 | Panorama glass roof |
Passenger compartment fuse box (Right Side):
| Fuse/Relay N° | Functions |
| Fuse panel B (black) | |
| 1 | Anti-theft alarm system |
| 2 | Transmission control module |
| 3 | Front climate control fan |
| 4 | Engine supply |
| 6 | Engine control module |
| 7 | Front passenger door control module |
| 8 | Front passenger power window |
| 9 | ESC control module |
| 10 | ESC control module |
| 11 | Right rear power window |
| 12 | Front passenger seat (pneumatics) |
Luggage compartment fuse box:
| Fuse/Relay N° | Functions |
| Fuse panel A (black) | |
| 1 | ESC button, data logger, diagnostic connector, BCM-1, adaptive light |
| 2 | Networking gateway |
| 3 | Adaptive air suspension |
| 4 | Parking aid |
| 5 | Steering column lever |
| 6 | Suspension control system sensor |
| 7 | Belt tensioners, airbag control module |
| 8 | Heated washer fluid nozzles, HomeLink (garage door opener), night vision system control module, sport differential, ionizer |
| 9 | Electromechanical parking brake control module |
| 10 | Rear seat heating, refrigerator, rearview mirror |
| 11 | Electromechanical steering |
| 12 | Selector lever, BCM-2 voltage |
| 13 | Side assist |
| 14 | Engine control module |
| 15 | Starter |
| 16 | Left headlight (headlights with adaptive light)/headlight range control |
| Fuse panel B (red) | |
| 1 | Left reversible belt tensioner |
| 2 | Right reversible belt tensioner |
| 3 | Starter diagnosis, DC/DC converter (with Start/Stop system) |
| 4 | DC/DC converter (with Start/Stop system) |
| 5 | Image processing |
| 6 | Right headlight (headlight with adaptive light) |
| 7 | ESC control module |
| 8 | Sound actuator, AEM control module/crankcase housing heater |
| 9 | Adaptive cruise control |
| 10 | Transmission control module |
| 11 | Climate control system sensors |
| Fuse panel C (brown) | |
| 1 | Electromechanical parking brake |
| 2 | Suspension control system sensor |
| 3 | Rear Infotainment system control panel |
| 4 | Smart modul (tank) |
| 5 | Front climate control system controls |
| 6 | Rear climate control system control panel |
| 7 | Networking gateway |
| 8 | Refrigerator |
| 9 | Special functions interface |
| 10 | Cell phone adapter, Bluetooth handset |
| 11 | AEM control module |
| 12 | Selector lever |
| 13 | Interior lighting |
| 14 | Rear exterior lighting |
| 15 | Fuel pump |
| 16 | Electromechanical parking brake |
| Fuse panel D (black) | |
| 1 | Luggage compartment lid movement-activated opening |
| 2 | Luggage compartment sockets |
| 3 | Rear sockets |
| 4 | Front cigarette lighter |
| 5 | Adaptive air suspension |
| 6 | 115 V socket |
| 7 | Electromechanical parking brake |
| 8 | Rear seat heating |
| 9 | Rear exterior lighting |
| 10 | Rear climate control blower |
| 11 | Rear sun shade, closing aid, luggage compartment lid lock, convenience key, fuel filler door |
| 12 | Luggage compartment lid control module |
| Fuse panel E (red) | |
| 1 | Rear seat adjustment buttons |
| 3 | Left rear seat (pneumatics) |
| 5 | Trailer hitch control module |
| 6 | Left rear seat |
| 7 | Right rear seat |
| 8 | Trailer hitch control module |
| 9 | Trailer hitch control module |
| 10 | Right rear seat (pneumatics) |
| Fuse panel F (brown) | |
| 1 | Start/Stop system, Radio receiver/sound amplifier |
| 2 | Sound amplifier |
| 3 | Start/Stop system, Rear Seat Entertainment, radio receiver/sound amplifier |
| 5 | Automatic dimming rearview mirror (for Start/Stop system) |
| 6 | DVD changer (glove compartment) |
| 7 | TV tuner |
| 8 | Infotainment system control panel/drives |
| 9 | Instrument cluster, analog clock |
| 10 | Infotainment system display |
| 11 | Radio receiver |
| 12 | Rearview camera, peripheral cameras (parking system) |
