Audi A6 2021 Fuse Box Info
Passenger compartment fuse box location:
The fuse box 1 is located on the left front side of the cockpit. The fuse box 2 is located in the driver's footwell (left-hand drive vehicle).
The fuse box 2 is located in the front passenger's footwell (right-hand drive vehicle).
Luggage compartment fuse box location:
The fuse box is located in the luggage compartment floor.
Fuse Box Diagram | Layout
Passenger compartment fuse box 1:
| Fuse/Relay N° | Functions |
| Fuse panel 1 (black) | |
| 2 | Steering column adjustment |
| 3 | DVD drive |
| 4 | Steering column electronics |
| 5 | Light switch, switch panels |
| 6 | Volume control |
| 7 | Instrument cluster |
| 8 | Upper/lower display |
| 9 | Steering wheel heating |
| Fuse panel 2 (brown) | |
| 2 | Infotainment system |
| 3 | Audi music interface |
| 4 | Head-up display |
| 5 | Climate control system, fragrance system, ionizer |
| 9 | Steering column lock |
Passenger compartment fuse box 2:
| Fuse/Relay N° | Functions |
| Fuse panel 1 (black) | |
| 1 | Catalytic converter heating |
| 2 | Engine components |
| 3 | Engine components |
| 4 | Engine components |
| 5 | Brake light sensor |
| 6 | Engine valves |
| 7 | Engine components |
| 8 | Engine components |
| 9 | Engine components, 48 V water pump, 48 V drivertrain generator |
| 10 | Oil pressure sensor, oil temperature sensor |
| 11 | Engine components, 48 V water pump, 48 V drivertrain generator, 12 V drivertrain generator |
| 12 | Engine valves, engine mount |
| 13 | Engine cooling |
| 14 | Engine control module, fuel injectors |
| 15 | Engine sensors, ignition coils, oxygen sensors |
| 16 | Fuel pump |
| Fuse panel 2 (red) | |
| 1 | Anti-theft alarm system |
| 2 | Engine control module |
| 3 | Left front lumbar support |
| 5 | Horn |
| 6 | Parking brake |
| 7 | Diagnostic interface |
| 8 | Roof electronics control module |
| 9 | Driver assistance systems control module |
| 10 | Airbag control module |
| 11 | Electronic Stabilization Control (ESC), Anti-Lock Braking System (ABS) |
| 12 | Diagnostic connector, light/rain sensor |
| 13 | Climate control system, vehicle electrical system control module |
| 14 | Right front door control module |
| 15 | Climate control system compressor, vehicle electrical system control module |
| 16 | Auxiliary battery control module, brake system pressure reservoir |
| Fuse panel 3 (red) | |
| 1 | Engine ignition coils |
| 3 | High-voltage heating, compressor |
| 5 | Engine mount |
| 6 | Automatic transmission |
| 7 | Instrument panel |
| 8 | Climate control system blower |
| 9 | Windshield wiper control module |
| 10 | Dynamic steering |
| 11 | Engine start |
| 12 | Electric oil pump |
| Fuse panel 4 (black) | |
| 1 | Front seat heating |
| 2 | Windshield wipers |
| 3 | Left headlight electronics |
| 4 | Panorama glass roof |
| 5 | Left front door control module |
| 6 | Sockets |
| 7 | Right rear door control module |
| 8 | All wheel drive control module |
| 9 | Right headlight electronics |
| 10 | Windshield washer system/headlight washer system control module |
| 11 | Left rear door control module |
| 12 | Parking heater |
| Fuse panel 5 (brown) | |
| 1 | Seat ventilation, seat electronics, rearview mirror, rear climate control system control panel, diagnostic connection, traffic information antenna (TMC) |
| 2 | Vehicle electrical system control module, diagnostic interface |
| 3 | Sound generator |
| 4 | Transmission heating valve |
| 5 | Engine start |
| 7 | Active accelerator pedal |
| 8 | Night vision assist |
| 9 | Adaptive cruise control, front wheel sensors |
| 11 | Intersection assistant, driver assist systems |
| 12 | Exterior sound generator |
| 15 | USB input |
Luggage compartment fuse box:
| Fuse/Relay N° | Functions |
| Fuse panel 1 (black) | |
| 1 | Thermal management |
| 3 | Passenger's side rear safety belt tensioner |
| 4 | Driver’s side rear safety belt tensioner |
| 5 | Air suspension/suspension control |
| 6 | Automatic transmission control module |
| 7 | Rear sliding sunroof, rear spoiler |
| 8 | Rear seat heating |
| 9 | Convenience system control module, left tail lights |
| 10 | Front belt tensioner on driver's side |
| 11 | Luggage compartment lid central locking, fuel filler door, sunshade, luggage compartment cover |
| 12 | Luggage compartment lid control module |
| Fuse panel 2 (red) | |
| 1 | Suspension stabilization control module |
| 2 | Service disconnect switch |
| 4 | Electric drive system |
| 5 | Brake system, brake booster |
| 6 | High-voltage battery water pump |
| 7 | Auxiliary climate control |
| 8 | Climate control system compressor |
| 9 | Auxiliary battery control module |
| 10 | High-voltage battery |
| 11 | High-voltage charger |
| 14 | Thermomanagement, water pump |
| 15 | Thermomanagement control module |
| 16 | Gateway |
| Fuse panel 3 (brown) | |
| 1 | Driver assistance systems control module |
| 2 | Audi phone box |
| 3 | Front seat electronics, right lumbar support |
| 4 | Side assist |
| 5 | Rear climate control system control panel, Infotainment system control panel |
| 6 | Tire pressure monitoring system |
| 7 | Emergency call system |
| 8 | Auxiliary heating radio receiver, tank module |
| 9 | Automatic transmission selector lever |
| 10 | TV tuner, data exchange and telematics control module |
| 11 | Convenience access and start authorization control module |
| 12 | Garage door opener |
| 13 | Rearview camera, peripheral cameras |
| 14 | Convenience system control module, right tail lights |
| 16 | Front belt tensioner on front passenger's side |
| Fuse panel 4 (black) | |
| Not assigned | |
| Fuse panel 5 (red) | |
| 2 | Exterior antenna |
| 3 | Exhaust treatment, sound actuator, AC socket |
| 4 | Rear climate control system control panel |
| 5 | Right trailer hitch light, right rear seat adjustment |
| 7 | Trailer hitch release |
| 8 | Left trailer hitch light, right rear seat adjustment |
| 9 | Trailer hitch socket |
| 10 | All wheel drive control module, sport differential |
| 11 | Exhaust treatment |
| 12 | 48 V drivertrain generator |
