Vauxhall Astra Mk7 (2016–2021) Fuse Box Location & Diagrams
The Vauxhall Astra Mk7 (2016–2019) uses fuse boxes to protect important electrical circuits and components. Knowing the correct fuse locations and assignments makes troubleshooting electrical problems easier. This guide covers fuse box locations, diagrams, fuse ratings, and protected components for the Vauxhall Astra Mk7.
Fuse Box Location
Passenger Compartment Fuse Box
The fuse box is located behind a cover.
Pull the cover on the left side to remove.

After changing the defective fuses, close the fuse box cover and press until it engages. Vehicles with power connector:
- 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.

Engine Compartment Fuse Box
The fuse box is in the front left of the engine compartment. Disengage the cover and remove it.

After changing defective fuses, close the fuse box cover and press until it engages. If the fuse box cover is not closed correctly, a malfunction may occur.
Load Compartment Fuse Box
The fuse box is located on the left side of the load compartment behind a cover.

Remove the cover.

Disengage the fuse box cover and remove it.
Additional fuses are located near the vehicle battery.

Fuse Box Diagrams
Passenger Compartment Fuse Box

| Fuse No. | Function |
|---|---|
| 1 | 2016–2017: Not used. 2018–2019: Rear seat heating (only for vehicles without alarm horn). |
| 2 | Climate control system / Fan. |
| 3 | Power seat, driver side. |
| 4 | 2016–2017: Cigarette lighter / Front power outlet. 2018–2019: Power seat, passenger side. |
| 5 | 2016–2018: Not used. 2019: ABS. |
| 6 | Front power window. |
| 7 | 2016–2018: ABS. 2019: Not used. |
| 8 | Heated steering wheel. |
| 9 | 2016–2017: Body control module. 2018–2019: Body control module 8. |
| 10 | Rear power window. |
| 11 | Sunroof. |
| 12 | 2016–2017: Body control module. 2018: Body control module 4. 2019: Body control module 6. |
| 13 | Seat heating (only on vehicles without alarm horn). |
| 14 | Exterior mirror. |
| 15 | 2016–2017: Body control module. 2018–2019: Body control module 1. |
| 16 | 2016–2017: Body control module. 2018–2019: Body control module 7. |
| 17 | 2016–2017: Body control module. 2018: Body control module 6. 2019: Body control module 4. |
| 18 | 2016–2017: Body control module. 2018–2019: Body control module 3. |
| 19 | Data link connector. |
| 20 | Airbag system. |
| 21 | Climate control system. |
| 22 | Central locking system / Tailgate. |
| 23 | Electronic key system. |
| 24 | Power seat memory function. |
| 25 | Airbag system, steering wheel. |
| 26 | Ignition switch / Steering column lock. |
| 27 | 2016–2017: Body control module. 2018–2019: Body control module 2. |
| 28 | USB socket. |
| 29 | 2016–2018: Not used. 2019: Cigarette lighter / Front power outlet. |
| 30 | Selector lever. |
| 31 | Rear window wiper. |
| 32 | Transmission control module. |
| 33 | Anti-theft alarm system / Power sounder. |
| 34 | Parking assist / Side blind spot alert / Infotainment system / USB socket. |
| 35 | 2016–2018: OnStar. 2019: SOS. |
| 36 | 2016–2018: Information display / Instrument cluster / CD player. 2019: Information display / Instrument cluster. |
| 37 | Infotainment system / Radio. |
Engine Compartment Fuse Box

| Fuse No. | Function |
|---|---|
| 1 | Starter |
| 2 | Starter |
| 3 | Exhaust sensor |
| 4 | Engine control module |
| 5 | Engine functions (2016–2017); Engine functions / Aeroshutter (2018–2019) |
| 6 | Transmission control module |
| 7 | Not used (2016–2017); Forward collision alert / Adaptive Cruise Control (2018–2019) |
| 8 | Engine control module |
| 9 | Climate control system |
| 10 | Diesel exhaust system |
| 11 | Tailgate locking system / Transmission |
| 12 | Seat lumbar massage |
| 13 | After boil pump (2016–2018); After boil pump / Diesel exhaust system (2019) |
| 14 | Diesel exhaust system |
| 15 | Exhaust sensor |
| 16 | Fuel injection |
| 17 | Fuel injection |
| 18 | Diesel exhaust system |
| 19 | Diesel exhaust system (2016–2018); Not used (2019) |
| 20 | Not used |
| 21 | DC/AC converter (2016–2017); Not used (2018–2019) |
| 22 | ABS |
| 23 | Washer system for windscreen and rear window |
| 24 | Not used (2016–2017, 2019); Headlamp washer (2018) |
| 25 | Diesel fuel heating |
| 26 | Transmission control module |
| 27 | Power tailgate module |
| 28 | Not used |
| 29 | Heated rear window |
| 30 | Mirror defrost |
| 31 | Not used (2016–2017, 2019); Anti-theft warning module (2018) |
| 32 | DC transformer / LED display / Electrical heater / Climate control / Glow plug controller |
| 33 | Anti-theft warning (2016–2017); Anti-theft warning horn (2018); Not used (2019) |
| 34 | Horn |
| 35 | Power outlet, load compartment (2016–2018); Engine control module (2019) |
| 36 | Right high beam (Halogen) / Right low beam (LED) (2016–2018); Right high beam (Halogen, Eco LED) / Right low beam (LED) (2019) |
| 37 | Left high beam (Halogen) (2016–2018); Left high beam (Halogen, Eco LED) (2019) |
| 38 | LED headlight / Automatic headlight range adjustment |
| 39 | Front fog light |
| 40 | OnStar (2016–2017); Central Gateway Module (2018–2019) |
| 41 | Water in fuel sensor / Water pump (2016–2018); Not used (2019) |
| 42 | Manual headlight range adjustment |
| 43 | Fuel pump |
| 44 | Rear view camera / Inside rear view mirror / Trailer module |
| 45 | LED headlight left / Automatic headlight range adjustment left |
| 46 | Instrument cluster |
| 47 | Steering column lock |
| 48 | Rear wiper |
| 49 | Not used (2016–2017); Outside rearview mirror (2018–2019) |
| 50 | LED headlight right / Automatic headlight range adjustment right |
| 51 | Left low beam (LED) |
| 52 | Engine control module / Transmission control module |
| 53 | Not used (2016–2017); Diesel exhaust system (2018); Windscreen wiper (2019) |
| 54 | Windscreen wiper |
| 55 | Diesel exhaust system (2016–2017, 2019); Electrical rear seat folding (2018) |
| 56 | Not used |
| 57 | Not used |
Load Compartment Fuse Box

| Fuse No. | Function |
|---|---|
| 1 | Not used |
| 2 | DC/AC Inverter (2016–2017); Not used (2018–2019) |
| 3 | Trailer module |
| 4 | Power seat, passenger side (2016–2017); Not used (2018–2019) |
| 5 | Not used |
| 6 | Distance warning module (2016–2017); Not used (2018–2019) |
| 7 | Not used |
| 8 | Not used |
| 9 | Rear seat heating, vehicles without alarm horn (2016–2017); Not used (2018–2019) |
| 10 | Service (2016–2018); Not used (2019) |
| 11 | Amplifier (2019); Not used (2016–2018) |
| 12 | Front seat heating, vehicles with alarm horn |
| 13 | Rear seat heating, vehicles with alarm horn |
| 14 | Ignition |
| 15 | Seat ventilation |
| 16 | Trailer outlet |
| 17 | Trailer outlet |
| 18 | Not used |
| 19 | Not used |
| 20 | Not used |
| 21 | Electrical rear seat folding (2016–2017, 2019); Not used (2018) |
| 22 | Power tailgate (2016–2017); Not used (2018–2019) |
After having changed defective fuses, close the fuse box cover and press until it engages. Additional fuses are located near the vehicle battery.
Additional fuses
| № | Circuit |
|---|---|
| 1 | Fuel pump |
| 2 | Engine control module |
| 3 | Power supply |



