Audi A4 2012 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 on the right side of the trunk, behind a cover.
Fuse Box Diagram | Layout
Passenger compartment fuse box (Left Side):
| Fuse/Relay N° | Rating | Functions |
| Fuse panel A (black) | ||
| 1 | 5A | Dynamic steering |
| 3 | 5A | HomeLink |
| 5 | 5A | Climate control |
| 6 | 5A | Right headlight range adjustment |
| 7 | 5A | Left headlight range adjustment |
| 8 | 5A | Vehicle electrical system control module 1 |
| 9 | 5A | Adaptive Cruise Control |
| 10 | 5A | Shift gate |
| 11 | 5A | Heater washer fluid nozzles |
| 12 | 5A | Climate control |
| 13 | 5A | Cell phone prep |
| 14 | 5A | Airbag |
| 15 | 25A | Terminal 15 |
| 16 | 40A | Terminal 15 engine |
| Fuse panel B (brown) | ||
| 1 | 5A | Automatic dimming interior rearview mirror |
| 2 | 5A | Clutch sensor |
| 3 | 25A | Gasoline fuel pump |
| 5 | 15/30A | Left seat heating with/without seat heating |
| 6 | 10A | Electronic stabilization program (ESP) |
| 7 | 25A | Horn |
| 8 | 30A | Left door window regulator motor |
| 9 | 30A | Wiper motor |
| 10 | 25A | Electronic stabilization program (ESP) |
| 11 | 15A | Left doors |
| 12 | 5A | Rain and light sensor |
| Fuse panel C (red) | ||
| 3 | 10A | Lumbar support |
| 4 | 35A | Dynamic steering |
| 5 | 5A | Antenna (Avant) |
| 6 | 35A | Vehicle electrical system control module 1 |
| 7 | 20A | Vehicle electrical system control module 1 |
| 8 | 30A | Vehicle electrical system control module 1 |
| 9 | 20A | Sunroof |
| 10 | 30A | Vehicle electrical system control module 1 |
| 11 | 20A | Sunroof shade (Avant) |
| 12 | 5A | Convenience electronics |
Passenger compartment fuse box (Right Side):
| Fuse/Relay N° | Rating | Functions |
| Fuse panel A (black) | ||
| 5 | 5A | Steering column switch module |
| 6 | 5A | Electronic Stabilization Program (ESP) |
| 7 | 5A | Terminal 15 diagnostic connector |
| 8 | 5A | Gateway (Databus diagnostic interface) |
| Fuse panel B (brown) | ||
| 1 | 5A | CD/DVD player |
| 2 | 5A | Audi drive select switch module |
| 3 | 5/20A | MMI/Radio |
| 4 | 5A | Instrument cluster |
| 5 | 5A | Gateway (Instrument cluster control module) |
| 6 | 5A | Ignition lock |
| 7 | 5A | Rotary light switch |
| 8 | 40A | Climate control system blower |
| 9 | 5A | Steering column lock |
| 10 | 10A | Climate control |
| 11 | 10A | Terminal 30 diagnostic connector |
| 12 | 5A | Steering column switch module |
Luggage compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| Fuse panel B (black) | ||
| 1 | 30A | Luggage compartment lid control module (Avant) |
| 2 | 15A | Trailer control module |
| 3 | 20A | Trailer control module |
| 4 | 20A | Trailer control module |
| 5 | 5A | Electrmechanical parking brake |
| 6 | 15A | Electronic dumping control |
| 7 | 30A | Electromechanical parking brake |
| 8 | 30A | Vehicle electrical system control module 2 |
| 9 | 35A | quattro Sport |
| 10 | 30A | Vehicle electrical system control module 2 |
| 11 | 20A | Vehicle electrical system control module |
| 12 | 5A | Terminal 30 |
| Fuse panel C (brown) | ||
| 1 | 30A | Luggage compartment lid control module |
| 2 | 15A | Right front seat heating |
| 3 | 40A | DC DC converter path 1 |
| 4 | 40A | DC DC converter path 2 |
| 5 | 30A | Socket |
| 7 | 30A | Electromechanical parking brake |
| 8 | 30A | Rear seat heating |
| 9 | 30A | Passenger side door control module |
| 11 | 15A | Passenger side door control module |
| Fuse panel D (red) | ||
| 1 | 15A | Rear center console outlet |
| 2 | 15A | Front center console outlet |
| 3 | 15A | Luggage compartment outlet |
| 4 | 15A | Cigarette lighter |
| 5 | 5A | V6 FSI |
| 6 | 5A | Rear Seat Entertainment supply |
| 7 | 7.5A | Parking system |
| 8 | 15A | Rear wiper (Avant) |
| 9 | 5A | Electromechanical parking brake switch |
| 10 | 5A | Audi side assist |
| 11 | 5A | Rear seat heating |
| 12 | 5A | Terminal 15 control modules |
| Fuse panel E (black) | ||
| 3 | 30/20A | DSP amplifier, radio |
| 4 | 7.5A | MMI |
| 5 | 7.5A | Radio/navigation/cell phone prep |
| 6 | 5A | Rearview camera |
| 7 | 5A | Cell phone prepp |
