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Toggle2021-2023 Opel Astra Fuses and Fuse Box Diagram User Guide
Unlock the 2021–2023 Opel Astra fuse box layout and full fuse diagram to find and understand each fuse. Diagnose electrical issues, replace blown fuses, and maintain your Astra’s safety, reliability, and performance with this guide.
2023 Opel Astra Specs, Price, Features, Mileage (Brochure)
Video: 2021-2023 Opel Astra Fuses
Fuses
Data on the replacement fuse must match the data on the defective fuse.
The three fuse boxes are located in:
- engine compartment
- instrument panel
Before replacing a fuse, turn off the respective switch and the ignition.
A blown fuse can be recognized by its melted wire.
CAUTION
Do not replace the fuse until the cause of the fault has been remedied.
Some functions are protected by several fuses.
Fuses may also be inserted without existence of a function.
Fuse extractor
A fuse extractor may be located in the cover of the left side of the instrument panel. The extractor has two sides, each side is designed for a different type of fuses.


Grab the fuse with the fuse extractor and withdraw the fuse.
Engine compartment fuse box
The fuse box is in the front left of the engine compartment.
Disengage the cover and remove it.
No. Circuit
- Starter
- Starter
- Exhaust sensor
- Engine control module
- Engine functions / Aeroshutter
- Transmission control module
- Forward collision alert / Adaptive Cruise Control
- Engine control module
- Climate control system
- Diesel exhaust system
- Tailgate locking system / Transmission
- Seat lumbar massage
- After boil pump / Diesel Exhaust system
- Diesel exhaust system
- Exhaust sensor
- Fuel injection
17 Fuel injection
18 Diesel exhaust system - –
- –
- –
- ABS
- Washer system for windscreen and rear window
- –
- Diesel fuel heating
- Transmission control module
- Power tailgate module
- –
- Heated rear window
- Mirror defrost
- –
- DC transformer / LED display /
Electrical heater / Climate control / Glow plug controller - –
- Horn
- Engine control module
- Right high beam (Halogen, Eco
LED) / Right low beam (LED) - Left high beam (Halogen, Eco LED)
- LED headlight / Automatic headlight range adjustment
- Front fog light
- Central Gateway Module
– - Manual headlight range adjustment
- Fuel pump
- Rear view camera / Inside rear
view mirror / Trailer moduleit - LED headlight left / Automatic
headlight range adjustment left - Instrument cluster
- Steering column lock
- Rear wiper
- Outside rearview mirror
- LED headlight right / Automatic headlight range adjustment right
- Left low beam (LED)
- Engine control module / Transmission
control module - Windscreen wiper
- Windscreen wiper
- Diesel Exhaust system
- –
- –
If the fuse box cover is not closed correctly, malfunction may occur.
Instrument panel fuse box
The fuse box is located behind a cover.

Pull the cover on the left side to remove.
No. Circuit
- Rear seat heating (only for vehicles
without alarm horn) - Climate control system/fan
- Power seat driver-side
- Power seat passenger side
- ABS
- Power window front
- –
- Heated steering wheel
- Body control module 8
- Power window rear
- Sunroof
- Body Control Module 6
- Seat heating (only on vehicles without alarm horn)
- Exterior mirror
- Body control module 1
- Body control module 7
- Body control module 4
- Body control module 3
- Data link connector
- Airbag system
- Climate control system
- Central locking system / tailgate
- Electronic key system
- Power seat memory function
- Airbag system steering wheel
- Ignition switch / Steering column lock
- Body control module 2
- USB socket
- Cigarette lighter / Power outlet front
- Selector lever
- Rear window wiper
- Transmission control module
- Anti-theft alarm system / Power sounder
- Parking assist / Side blind spot alert / Infotainment system / USB socket
- SOS
- Info Display / Instrument cluster
- Infotainment system / radio
After having changed defective fuses, close the fuse box cover:
- Apply the cover on the right side

- Fold the left side of the cover forwards. Take care that the securing clamp is guided as shown in the illustration.
Load compartment fuse box
The fuse boxis located on the left side of the load compartment behind a cover.

Remove the cover.

Disengage the fuse box cover and remove it.

No. Circuit
- –
- –
- Trailer module
- –
- –
- –
- –
- –
- –
- –
- Amplifier
- Front seat heating (on vehicles with alarm horn)
- Rear seat heating (on vehicles
with alarm horn) - Ignition
- Seat ventilation
- Trailer outlet
- Trailer outlet
- –
- –
- –
- Electrical rear seat folding
- –
After having changed defective fuses, close the fuse box cover and press until it engages.
Additional fuses are located near the vehicle battery.
No. Circuit
- Engine control module
- Fuel pump
- Power supply
Useful Link
View Full PDF : Opel Astra 2021-2023 User Manual| Auto User Guide
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