Table of Contents
The fourth generation of the Audi A6 (C7) executive sedan was launched in early 2011. The vehicle debuted at the North American International Auto Show in Detroit. The car is characterized by distinctive sporty proportions, comparing favorably against many rivals in the executive class. In this article, we will provide a detailed overview of the fuse box diagrams for the fourth-generation Audi A6 (C7) across the 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, and 2018 model years.
Here you will find the locations and photographs of the power distribution boxes. The fuses responsible for the “Cigarette Lighter” and “Fuel Pump” are highlighted in bold.
In the Luggage Compartment
The fuse panel is located on the right side of the trunk, under the cargo net. To access it, the trim panel must be removed.
Access procedure.
General overview.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | A |
| 1 | Trailer detection control module | 15 |
| 2 | Trailer detection control module | 20/10 |
| Heated and cooled cup holder | ||
| 3 | Trailer detection control module | 20 |
| 4 | Electronic parking brake control module | 30 |
| 5 | 30 | |
| 6 | Front passenger door control module | 30 |
| 7 | Comfort system central control module | 30 |
| 8 | 20 | |
| 9 | Seat ventilation | 15 |
| 10 | Data link connector (Diagnostic) | 5 |
| 11 | Climate control module | 30 |
| Seat heating control module | ||
| 12 | Unused | - |
| 13 | Seat belt pretensioner | 25 |
| 14 | 25 | |
| 15 | Audi A6 cigarette lighter fuse | 20 |
| 12V power outlet | ||
| DC/AC inverter with 12V/230V outlet | ||
| 16 | Rear cigarette lighter | 20 |
| Additional 12V power outlets | ||
| 17 | Electronic parking brake | 5 |
| 18 | Adaptive suspension control module | 15 |
| 19 | Rear right door control module | 30 |
| 20 | Comfort system central control module | 30 |
| 21 | Control module | 30 |
| 22 | Telephone system | 5 |
| 23 | Audio system control module | 30 |
| 24 | Active rear spoiler control module | 20 |
| 25 | Audio system control module | 30/20 |
| Information display control module | ||
| Radio | ||
| 26 | Evaporative emission (EVAP) leak detection module | 5 |
| 27 | Unused | - |
| 28 | Active engine mount control module | 15 |
| Reductant (DEF) control module | ||
| 29 | Unused | - |
| 30 | Unused | - |
| 31 | Radio/multimedia unit | 7.5 |
| 32 | Multimedia control module (MMI) | 7.5 |
| Information display control module | ||
| Information display | ||
| 33 | Auto-dimming rearview mirror | 5 |
| 34 | Rearview camera system | 5 |
| 35 | TV tuner | 5 |
| 36 | Unused | - |
| 37 | Terminal 15 power supply relay | 5 |
| 38 | Electronic parking brake control module | 5 |
| 39 | Adaptive suspension control module | 5 |
| 40 | Comfort system central control module | 5/7.5 |
| Clutch position sensor | ||
| Gear selector control module | ||
| 41 | Parking assist control module | 5 |
| 42 | Unused | - |
| 43 | Voltage regulator(s) | 5 |
| 44 | Lane change assist control module | 5 |
| 45 | Diagnostic connector (OBD-II, 16-pin) | 5 |
| Energy management module | ||
| 46 | All-wheel drive (AWD) control module | 5 |
| 47 | Unused | - |
| 48 | Unused | - |
| 49 | Adaptive suspension compressor relay | 40 |
| 50 | Voltage regulator(s) | 40 |
| 51 | Heated rear window relay | 40 |
| 52 | Voltage regulator(s) | 40 |
| 53 | All-wheel drive (AWD) control module | 35 |
| 54 | Reductant dosing system relay (if equipped) | 30 |
| 55 | Main fuse (if equipped) | 15 |
| 56 | Unused | - |
| 57 | Unused | - |
| R1 | Not used | |
| R2 | Heated rear window relay | |
| R3 | Power outlet relay | |
| R4 | Terminal 15 power supply relay | |
| R5 | Adaptive suspension compressor relay | |
| R6 | Not used | |
In the Passenger Compartment
Driver's Side
The primary fuse panel is located behind a plastic access cover on the end of the dashboard on the driver's side.
Access procedure.
| Diagram | ||
|---|---|---|
|
||
| Panel -A- (Black) | ||
| No. | A | Purpose |
| 1 | 5 | Switch panel, seat heating, start assist, control module, towing equipment |
| 2 | 5 | Auto-dimming interior rearview mirror |
| 3 | 10 | Exhaust system (Diesel) |
| 4 | 5 | Chassis control sensor |
| 5 | 5 | Electronic Stability Program (ESP) control module |
| 6 | 5 |
|
| 7 | 10 | Audi adaptive cruise control |
| 8 | 5 | Airbag control module, front passenger seat occupancy sensors |
| 9 | 5 | Data bus diagnostic interface (Gateway) |
| 10 | 5 | HomeLink (Garage door opener), Night vision assist control module |
| 11 | 10 | Image processing module (Audi active lane assist, Audi adaptive cruise control) |
| 12 | 5 | Dynamic chassis control |
| 13 | 15 | Terminal 15 (Luggage compartment) |
| 14 | 30 | Terminal 15 (Passenger's side connection panel) |
| 15 | 15 | Terminal 15 (Engine compartment) |
| 16 | 40 | Starter motor |
| Panel -B- (Brown) | ||
| No. | A | Purpose |
| 1 | 5 | Data bus diagnostic interface (Gateway) |
| 2 | 10 | Climate control system |
| 3 | 10 | Electronic Stability Program (ESP) control module |
| 4 | 30 | Driver's door control module |
| 5 | 7.5 | Power seat adjustment (Driver's seat) |
| 6 | 35 | Dynamic chassis control |
| 7 | 20 | Power sunroof |
| 8 | 15 | Rear left door control module |
| 9 | 5 | Power lumbar support (Front passenger seat) |
| 10 | 30 | HVAC blower/heater |
| 11 | 20 | Power sunroof, active rear spoiler |
| 12 | 15 | Driver's door control module |
| Panel -C- (Red) | ||
| No. | A | Purpose |
| 1 | 5 | Clutch pedal switch |
| 2 | 25 | Fuel pump |
| 3 | 5/5 | Brake light switch / Brake pedal sensor |
| 4 | 5/15 | Selective Catalytic Reduction (SCR) tank (Diesel) / Engine sound enhancement |
| 5 | 30 | Rear left door control module |
| 6 | 7.5 | Power seat adjustment (Front passenger seat) |
| 7 | 15 | Horn |
| 8 | 30 | Windshield wipers |
| 9 | 5 | Rain/light sensor |
| 10 | 5 | Power lumbar support (Driver's seat) |
| 11 | 15 | Front passenger door control module |
| 12 | 15 | Rear right door control module |
Under the Dashboard
Additional relay carrier panels are located under the dashboard.
| Relay Carrier 1 | ||
|
||
| No. | Description | A |
| 1 | Heating elements (PTC heater) | 40 |
| 2 | 60 | |
| R1 | Low heat output relay | |
| R2 | High heat output relay | |
| R3 | Auxiliary air heater control module | |
| Relay Carrier 2 | ||
|
||
| No. | Description | A |
| 1 | Terminal 15 power supply relay | 5 |
| 2 | Unused | - |
| 3 | Control module | 5 |
| 4 | Anti-lock Braking System (ABS) control module | 20 |
| 5 | Anti-theft alarm system | 5 |
| 6 | Power control module | 35 |
| 7 | Power control module | 20 |
| 8 | Power control module | 30 |
| 9 | Power control module | 30 |
| 10 | Power control module | 30 |
| 11 | Interior lighting | 5 |
| Roof electronics control module | ||
| 12 | Auxiliary heater remote control receiver | 5 |
| 13 | Anti-lock Braking System (ABS) control module | 40 |
| 14 | Unused | - |
| R1 | Horn relay | |
| Auto-dimming rearview mirror | ||
| R2 | Terminal 15 power supply relay | |
| R3 | Vacuum pump relay | |
| R4 | - | |
Passenger's Side
The secondary fuse panel is located behind a plastic access cover on the passenger's side.
| Diagram | ||
|---|---|---|
|
||
| Panel -A- (Black) | ||
| No. | A | Purpose |
| 1 | 5 | Head-up display (HUD) |
| 2 | 5 | Front MMI display |
| 3 | 5 | CD/DVD changer |
| 4 | 7.5 | Front center console MMI control panel |
| 5 | 5 | Smart card reader (market dependent) |
| 6 | 5 | Instrument cluster |
| 7 | 5 | Steering column switch module |
| 8 | 5/7.5 | Headlight range control / Cornering light |
| 10 | 7.5 | Left headlight (with cornering light) |
| 11 | 5 | Auxiliary heater |
| Panel -B- (Brown) | ||
| No. | A | Purpose |
| 1 | 10 | Climate control system |
| 2 | 40 | HVAC blower motor |
| 3 | 10 | Diagnostic data bus interface |
| 4 | 5 | Electronic ignition switch |
| 5 | 5 | Power steering column adjustment |
| 6 | 10 | Steering column switch module |
| 7 | 25 | Power steering column adjustment |
| 8 | 5 | Body control module 1 |
In the Engine Compartment
The fuse box is located beneath the protective cover on the left side of the engine compartment.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | A |
| 1 | Transmission control module (TCM) | 15 |
| 2 | Oil level and temperature sensor | 5 |
| 3 | Engine control module (ECM) | 5 |
| 4 | Engine control module (ECM) | 5 |
| 5 | Fuel metering valve | 10 |
| 6 | Engine control module (ECM) | 15 |
| 7 | Camshaft adjustment valve | 15 |
| Exhaust camshaft solenoid valves | ||
| Coolant circulation pump | ||
| 8 | Unused | - |
| 9 | Voltage regulator(s) | 5 |
| 10 | Oxygen sensor (upstream of catalytic converter) | 15 |
| Oxygen sensor (downstream of catalytic converter) | ||
| 11 | Radiator fan control module 1 | 5 |
| Radiator fan control module 2 | ||
| 12 | Transmission control module (TCM) | 5 |
| 13 | Transmission fluid cooling valve | 5 |
| 14 | Ignition coils 1–6 | 20 |
| 15 | Unused | |
| 16 | Secondary air injection (SAI) pump relay | 15 |
| Auxiliary coolant pump | ||
| EVAP canister purge valve | ||
| Intake manifold runner control valve | ||
| Oil pressure control valve | ||
| A/C refrigerant circulation valve | ||
| 17 | Oxygen sensors (downstream of catalytic converter) | 15 |
| 18 | Unused | - |
| 19 | Secondary air injection (SAI) pump | 50 |
| 20 | Unused | - |
| R1 | Secondary air injection (SAI) pump relay | |
| R2 | Starter relay | |
| R3 | Main power supply relay | |
| R4 | Main relay | |
| R5 | Auxiliary water pump relay | |
| R6 | Unused | |