Audi A6 (C6-4F) | 2004-2011 | Fuse Box Diagrams and Locations

The third-generation (Mk3) Audi A6 and S6 (chassis codes C6/4F), Audi’s premium mid-size luxury sedan and its high-performance variant, was produced from 2004 to 2011. Known for its elegant design, advanced engineering, and powerful performance options, this generation of the A6 and S6 solidified its position as a leader in the luxury sedan market.

In this article, you will find detailed fuse box diagrams for Audi A6 and S6 models produced between 2004 and 2011. These diagrams provide critical insights into the vehicle’s electrical systems, helping owners and technicians understand the assignment of each fuse (fuse layout). This information is essential for diagnosing electrical issues, performing maintenance, or completing necessary repairs.

This guide is a comprehensive resource for understanding the electrical system of the third-generation Audi A6 and S6, ensuring that owners have the tools and knowledge needed to maintain the functionality, reliability, and performance of these sophisticated sedans.

The cigar lighter (power outlet) fuses in the Audi A6 are as follows:

  • Fuse A12 (Rear Lighter) in the Trunk Fuse Box.
  • Fuse A2 (Front Lighter) in the Right Instrument Panel Fuse Box.
  • Fuse A4 (Center Console Outlet) in the Right Instrument Panel Fuse Box.
  • Fuse A5 (Trunk Power Outlet) in the Trunk Fuse Box.

Fuse Box Location

Passenger Compartment

There are two fuse blocks on each side of the dashboard. Carefully pry the face cover off the instrument panel using the ignition key or a screwdriver.

The location of the fuses in the passenger compartment (left): Audi A6 / S6 (2008-2011)

Luggage Compartment

The fuse box is located behind the panel on the right side of the trunk.

Fuse Box Diagrams

Left Instrument Panel Fuse Box

Instrument panel fuse box diagram (left): Audi A6 / S6 (2008, 2009, 2010, 2011)

Assignment of the fuses in the instrument panel (driver’s side)

DescriptionAmps
1Not used
2Not used
3Engine management5
4Oil level sensor5
5Climate control, tire pressure monitoring system5
6Electronic Stabilization Program (ESP), clutch sensor5
7Diagnostic connector5
8HomeLink control unit5
9Automatic dimming interior mirror5
10Adaptive Cruise Control5
11Not used
12Diagnostic connector10
13Switch module steering column10
142008: Brake light switch
2009-2011: Not Used
5
15Instrument cluster, control module Gateway10
16Telephone, cell phone10
17Electronic Stabilization Program (ESP)10
18Headlight electronics, left-side5
19Rain sensor5
20Heated washer nozzles5
21Seat adjustment (driver)10
22MMI display5
23Electromechanical parking brake5
24Not used
25Not used
26Not used
27Not used
28Not used
29Not used
30Not used
31Back-up light switch, transmission, engine components15
32Intelligent power module driver (footwell light and front headlights, horn, wiper system, electrically adjustable steering wheel)30
33Intelligent power module driver (lights left-side)25
34Intelligent power module driver (lights right-side)25
35Not used
36Headlight washer system30
37Electronic Stabilization Program (ESP)25
38Wiper system30
39Door control module left-side15
40Horn25
41Heater fan40
42Control module electronic ignition lock/electri-cally adjustable steering wheel30
43Rear windshield wiper (Avant)15
44Power window opener (left-side)35

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Right Instrument Panel Fuse Box

Instrument panel fuse box diagram (right): Audi A6 / S6 (2008, 2009, 2010, 2011)

Assignment of the fuses in the instrument panel (passenger’s side)

DescriptionAmps
Fuse holder A (black)
A1Control module Advanced Key15
A2Cigarette lighter front20
A3Tire pressure monitoring system5
A4Electrical outlet front (center console)20
A5Intelligent power module passenger (glove box lock)15
A6Door control module right-side15
A7Sunroof20
A8A/C controls10
A9Heated seats, front30
A102008: MMI, Antenna amplifier (10A);
2009-2011: MMI (7.5A)
10 / 7.5
A11Seat adjustment (passenger)10
A12Communication5
Fuse holder B (brown)
B1Electric fuel pump20/30
B2Adaptive Air Suspension15
B3Lane assist10
B42008: Not used;
2009-2011: Audi side assist
5
B5Adaptive Air Suspension5
B6Shift gate automatic transmission/clutch switch5
B7Acoustic Parking System5
B8Control module Gateway5
B9Automatic headlight range control (auxiliary driving lights), headlight electronics, right-side5
B10Airbag5
B11Heated rear seats5
B12Telephone5

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Luggage Compartment Fuse Box

Trunk fuse box diagram: Audi A6 / S6 (2008, 2009, 2010, 2011)

Assignment of the fuses in the trunk

DescriptionAmps
Fuse holder A (black)
A1Digital Signal Processing (DSP)/ BOSE amplifier30
A2Communication, Antenna amplifier5
A3Electromechanical parking brake, left30
A4Electromechanical parking brake, right30
A5Luggage compartment power outlet20
A6Battery energy management5
A7Intelligent power module rear (lights right-side)20
A8Intelligent power module (comfort)5
A9Intelligent power module rear (lights left-side)30
A10Power window opener (right-side)35
A11Acoustic Parking System5
A12Cigarette lighter rear20
Fuse holder B (brown)
B1Rear view5
B2Electric rear lid (Avant)30
B3Electric rear lid (Avant)30
B4Electric rear lid (Avant)20
B5Communication, Antenna amplifier5
B6Not used5
B7MMI5
B8Not used
B9Digital Tuner5
B10Not used
B11Not used
B12Not used

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