Audi A6 C6 (2004-2011) – fuse box diagram
Year of production: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011.
The Audi A6 C6 is the third generation of this model. The vehicle was designed by Italian Walter de’Silva. The A6 C6 is similar in appearance to its predecessor, but is slightly longer. The most distinctive feature of this model is the new grill design.
Cigarette lighter fuse (power socket) on Audi A6 C6 C6 (2004-2011). is fuse 2 in the fuse box (passenger side on the dashboard).
The Audi A6 C6 (2004-2011) has 3 fuse box locations. Two on the dashboard, on the passenger and driver sides, and one in the trunk.
Driver side fuse box on the dashboard.
To access the fuse box located on the driver’s side of the dashboard, open the driver’s door and remove the plastic clamp (A) from the retaining piece in the front cover.

In the cover on the left side of the instrument panel is a plastic clamp (A), which can be used to remove the fuses. A crank (B) is used for emergency operation of the electric roof. There is also a fuse layout label (C) for the corresponding fuse panel on both covers in the instrument panel.
Audi A6 C6 – Fuse box diagram – driver’s side of the dashboard.
No. | Description | Amps [A] |
1 | Unused | – |
2 | Unused | – |
3 | Engine management | 5 |
4 | Oil level sensor;
License plate illumination. |
5 |
5 | Air conditioning;
Tire pressure monitoring system. |
5 |
6 | Electronic Stabilization Program (ESP);
Clutch sensor. |
5 |
7 | Diagnostic connector | 5 |
8 | Homelink control unit | 5 |
9 | Interior mirror
With automatic dimming function. |
5 |
10 | Adaptive cruise control | 5 |
11 | Unused | – |
12 | Diagnostic connector | 10 |
13 | Steering column switch | 10 |
14 | Brake light switch;
2009-2011: Unused |
– |
15 | Set of indicators;
Gateway control module. |
10 |
16 | Phone, mobile | 5 |
17 | Electronic stabilization program (ESP) | 10 |
18 | Headlight electronics (left) | 5 |
19 | Rain sensor | 5 |
20 | Heated windshield washer nozzles | 5 |
21 | Seat adjustment (driver) | 10 |
22 | MMI display | 5 |
23 | Electromechanical parking brake | 5 |
24 | Unused | – |
25 | Unused | – |
26 | Unused | – |
27 | Unused | – |
28 | Unused | – |
29 | Unused | – |
30 | Unused | – |
31 | Reversing light switch;
Transmission; Engine components. |
15 |
32 | Smart power module controller;
Legroom lighting; Front headlights; Horn; Wiper system; Electrically adjustable steering wheel. |
30 |
33 | Intelligent power module controller
(lights on the left). |
25 |
34 | Intelligent power module controller
(lights on the right). |
25 |
35 | Unused | – |
36 | Headlight washers | 30 |
37 | Electronic stabilization system (ESP) | 25 |
38 | Wiper system | 30 |
39 | Left side door control module | 15 |
40 | Horn | 25 |
41 | Heater fan | 40 |
42 | Electronic lock
ignition control module; Electrically adjustable steering wheel. |
30 |
43 | Rear window wiper (Avant) | 15 |
44 | Electric window opening
(left side) |
35 |
Relay box
Located under the dashboard, to the left of the steering wheel.
Destination
A | ABS control unit fuse 1 -S123- (40A) |
b | Spare |
C | Spare |
D | Spare |
1 | Power relay (terminal 15) -J329-. |
2 | Headlight washer relay -J39-. |
3 | Spare |
4 | Starter relay -J53-. |
5 | Power relay (terminal 75x) -J694- (until 04.2005) |
6 | Starter relay 2 -J695-. |
7 | Signal relay -J4- |
7 | Supply voltage relay (terminal 75x) -J694- (from 05.2005) |
8 | Spare |
9 | Spare |
Passenger side fuse box on the dashboard
To access the fuse box located on the passenger side of the dashboard, open the passenger door and remove the dashboard side cover.
Audi A6 C6 – Fuse box diagram – passenger side on the dashboard.

No. | Description | Amps [A] |
Fuse holder (black) [A] | ||
1 | Control module Comfort key | 15 |
2 | Lighter | 20 |
3 | Tire pressure monitoring system | 5 |
4 | Front electrical socket
(center console). |
20 |
5 | Intelligent passenger power module (glove box lock). |
15 |
6 | Right side door control module | 15 |
7 | Sunroof | 20 |
8 | Air conditioning control | 10 |
9 | Heated front seats | 30 |
10 | MMI;
Antenna amplifier; 2009-2011: MMI. |
10/7,5 |
11 | Seat adjustment (passenger) | 10 |
12 | Communications | 5 |
Fuse holder (brown) [B] | ||
1 | Electric fuel pump | 20/30 |
2 | Adaptive air suspension | 15 |
3 | Lane assist | 10 |
4 | Audi lane change assistant | 5 |
5 | Adaptive air suspension | 5 |
6 | Automatic transmission switch –
shift gate clutches. |
5 |
7 | Parking system | 5 |
8 | Control module gate | 5 |
9 | Automatic light range adjustment
additional high beam); Headlight electronics (right side). |
5 |
10 | Airbag | 5 |
11 | Heated rear seats | 5 |
12 | Phone | 5 |
Fuse box in the trunk on the right side
To access the fuse box located on the trunk, remove the right side trunk cover and open the fuse cover.
Audi A6 C6 – Fuse box diagram – Right trunk space.

No. | Description | Amps [A] |
Fuse holder (black) [A] | ||
1 | Digital signal processing (DSP);
BOSE amplifier. |
30 |
2 | Communications,
Antenna amplifier |
5 |
3 | Electromechanical parking brake
(left). |
30 |
4 | Electromechanical parking brake
(right). |
30 |
5 | Power socket in the trunk | 20 |
6 | Battery power management | 5 |
7 | Smart power module at the rear
(lights on the right). |
20 |
8 | Smart power module
(comfort). |
5 |
9 | Smart power module at the rear
(lights on the left). |
30 |
10 | Window opening mechanism
(right side). |
35 |
11 | Parking system | 5 |
12 | Rear lighter | 20 |
Fuse holder (brown) [B] | ||
1 | Rear view mirror | 5 |
2 | Electric rear cover (Avant) | 30 |
3 | Electric rear cover (Avant) | 30 |
4 | Electric rear cover (Avant) | 20 |
5 | Communications; Antenna amplifier. |
5 |
6 | Unused | – |
7 | MMI | 5 |
8 | Auxiliary heater | 20 |
9 | Digital tuner | 5 |
10 | Traction hitch control unit | – |
11 | Traction – hitch (left lamp) | – |
12 | Traction – hitch (right lamp) | – |
The instructions in this tutorial will work for the following model years:
2004, 2005, 2006, 2007, 2008, 2009, 2010 and 2011 – Audi A6 C6 Gasoline (2.0 TFSI, 2.4 Quattro, 2.4 V6, 2.8 FSI, 3.3 Quattro, 3.2 V6, 4.2 V8, 4.2 V8 Quattro and S6) and Diesel (2.0 and 2.7 TDI, 2.7 V6 and 3.0 V6).