Audi A8 / S8 (D3/4E; 2008-2009) fuses

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In this article, we consider the second-generation Audi A8 / S8 (D3/4E), produced from 2002 to 2009. Here you will find fuse box diagrams of Audi A8 and S8 2008 and 2009, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout).

Fuse Layout Audi A8 and S8 2008-2009


Fuse Box Location

Passenger Compartment

In the cabin, there are two fuse blocks at the front left and right of the cockpit.Audi A8 / S8 (2008, 2009)

Audi A8 / S8 (2008, 2009)

Luggage Compartment

There are also two fuse blocks here – on the left and right of the trunk.Audi A8 / S8 (2008, 2009)

Audi A8 / S8 (2008, 2009)


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Fuse Box Diagrams

Left Instrument Panel Fuse Box

Instrument panel fuse box diagram (left): Audi A8 / S8 (2008, 2009)

Assignment of the fuses on the left side of the dashboard
DescriptionAmps
1Garage door opener (HomeUnk)5
2Parking assist system5
3Parking assist system5
4Headlight range control/light control device10
5Instrument cluster5
6Steering column electronics system control10
7Diagnostic connector5
8Diagnostic connector/oil level sensor5
9ESP control unit/steering angle sensor5
10Instrument cluster5
11Audi lane assist10
12Brake light switch5
13Telephone/cell phone10
14Not Used
15Access/start control module5
16RSE system10
17Adaptive Cruise Control5
18Heated washer jets5
19Not Used
20Tire pressure monitoring system5
21Not Used
22Brake light switch5
23Cell phone preparation5
24Horn15
25Windshield wiper system40
26Not Used
27Electronic Stabilization Program (ESP)25
28Not Used
29Switch illumination1
30Not Used
31Onboard power supply, light control (right headlight)30
32Not Used
33Left rear footwell heater25
34Not Used
35Not Used
36Audi side assist5
37Cooler15
38Onboard power supply, light control (left headlight)30
39Door control unit, driver's side7.5
40Power steering column adjustment25
41Door control unit, rear left7.5
42Access/start control module25
43Adaptive Light, left10
44Adaptive Light, right10

Right Instrument Panel Fuse Box

Instrument panel fuse box diagram (right): Audi A8 / S8 (2008, 2009)

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Assignment of the fuses on the right side of the dashboard
DescriptionAmps
1Parking brake5
2Air conditioning10
3Shift gate5
4Not Used
5Engine control15
6Oxygen sensor before the three-way catalytic converter15
7Oxygen sensor behind the three-way catalytic converter15
8Engine control, auxiliary water pump10
9Climate control front/rear, dash panel buttons5
10Suspension level control system (Adaptive Air Suspension)10
11Light and rain sensor5
12Display-/control unit5
13Roof electronics control unit10
14CD/DVD drive5
15Energy management5
16Not Used
17Radiator fan electronics5
18Airbag front passenger recognition (weight sensor)5
19Not Used
20Heated/ventilated seats5
21Engine control module5
22Not Used
23Parking brake (switch)5
24Vehicle electrical system10
25Automatic transmission15
26Air conditioning water valves water pump, rear climate control10
27Sunroof20
28Engine control module5
29Fuel injectors15
30Ignition coils30
31Fuel pump, right/fuel pump electronics20/40
32Automatic transmission5
33Right rearfootwell heater25
34Heated/ventilated seats, rear20
35Heated/ventilated seats, front20
36Cigarette lighter, front20
37Cigarette lighter, rear/socket, rear20/25
38Auxiliary cooler fan20
39Door control unit, front right7.5
40Brake booster15
41Door control unit, rear right7.5
42Not Used
43Headlight washer system30
44Air conditioning heater fan30

Left Luggage Compartment Fuse Box

Trunk fuse box diagram (left): Audi A8 / S8 (2008, 2009)

Assignment of the fuses on the left side of the trunk
DescriptionAmps
1Not Used
2Not Used
3Not Used
4Not Used
5Digital sound system control module30
6Navigation5
7TV Tuner10
8Rear-view camera5
9Communications box5
10Subwoofer in rear window shelf (BOSE)/ Amplifier (Bang & Olufsen)15/30
11Socket20
12Not Used

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Right Luggage Compartment Fuse Box

Trunk fuse box diagram (right): Audi A8 / S8 (2008, 2009)

Assignment of the fuses on the right side of the trunk
DescriptiobAmps
1Not Used
2Fuel pump, left20
3Not Used
4Not Used
5Central control module for comfort system (left light)20
6Central control module for comfort system (left light)10
7Central control module for comfort system (door closing)20
8Electronic parking brake control module, left30
9Electronic parking brake control module, right 30
10Not Used
11Not Used
12Not Used