Opel Astra K (2020-2021) – fuse box

Opel/Vauxhall Astra K – fuse box diagram

Year of production: 2020, 2021.

The cigarette lighter fuses  (power socket) on the Opel Astra K are fuse 29 (cigarette lighter / front power socket) in the instrument panel fuse box.

Fuse box in the engine compartment

Location of the fuse box

The fuse box is on the front left side of the engine compartment.


The scheme of the fuse box

Arrangement of fuses in the engine compartment

Number Description
1 Starter
2 Starter
3 Exhaust gas sensor
4 Engine control module
5 Engine functions;

Active air inlet grille shutter.

6 Transmission control module
7 Frontal Collision Warning System;

Adaptive cruise control system.

8 Engine control module
9 Heating, ventilation and air conditioning control system
10 Diesel engine exhaust system
11 Tailgate locking system;


12 Lumbar spine massage function
13 Heated fluid pump;

Diesel engine exhaust system.

14 Diesel engine exhaust system
15 Exhaust gas sensor
16 Fuel injection system
17 Fuel injection system
18 Diesel engine exhaust system
22 ABS
23 Windscreen and rear window washers
25 Fuel heating in diesel engines
26 Transmission control module
27 Electric tailgate module
29 Heated rear window
30 Heated mirrors
32 DC transformer;

LED display;

Electric heater;



Air conditioning;

Glow plug controller.

34 Horn
35 Engine control module
36  Right high beam lamp (halogen, Eco LED);

Right dipped beam lamp (LED).

37 Left high beam lamp (halogen, Eco LED)
38 LED spotlight;

Automatic headlight range adjustment.

39 Front fog lamp
40 Central gateway module
42 Manual headlight range adjustment
43 Fuel pump
44 Rear view camera;

Interior rearview mirror;

Trailer module.

45 Left LED headlight;

Automatic left-hand beam headlight adjustment.

46 Instrument cluster
47 Steering column lock
48 Rear wiper
49 Outside rearview mirror.
50 Right LED headlight;

Automatic right beam headlight adjustment.

51 Left low beam (LED)
52 Engine control module;

Transmission control module.

53 Windshield wiper
54 Windshield wiper
55 Diesel engine exhaust system
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Additional fuses  are located near the vehicle battery:

Number Description
1 Fuel pump
2 Engine control module
3 Power Supply

Instrument panel fuse box

Location of the fuse box

The fuse box is located behind a cover on the center console.

If the fuse cover has a power connector, remove it using an adapter and a screwdriver (the adapter is hidden in the glove box).

The scheme of the fuse box

Arrangement of fuses in the instrument panel

Number Description
1 Rear seat heating (only on vehicles without alarm siren)
2 Air conditioning system;


3 Electric seat on the driver’s side
4 Electric seat on the passenger side.
5 ABS system
6 Electrically operated windscreen
8 Heated steering wheel
9 Body control module 8
10 Rear electric window
11 Sunroof
12 Body control module 6
13 Seat heating (only on vehicles without siren)
14 Outside mirror
15 Body control module 1
16 Body control module 7
17 Body control module 4
18 Body control module 3
19 Data link connection
20 Airbag system
21 Heating, ventilation and air conditioning control system
22 Central locking – tailgate
23 Electronic key system
24 Electric seat memory function
25 Steering wheel with airbag system
26 Ignition switch;

Steering column lock.

27 Body control module 2
28 USB socket
29 Lighter;

Front power socket.

30 Gear stick
31 Rear window wiper
32 Transmission control module
33 Alarm;

Alarm siren.

34 Parking assistant;

Blind spot monitoring system in mirrors;

Infotainment system;

USB socket.

35 SOS
36 Information display;

Instrument cluster.

37 Infotainment system;


Fuse box in cargo area / trunk

Location of the fuse box

The fuse box is located on the left side of the cargo area behind a cover.

The scheme of the fuse box

Arrangement of fuses in the cargo area

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Number Description
3 Trailer control module
11 Amplifier
12 Front seat heating (on vehicles with an alarm siren)
13 Rear seat heating (on vehicles with an alarm siren)
14 Ignition
15 Seat ventilation
16 Trailer plug
17 Trailer plug
21 Electric folding of the rear seats

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