Volvo XC40 Mild Hybrid (2023 – 2027) Fuse Box Location & Diagrams
The Volvo XC40 Mild Hybrid (2023–2027) features multiple fuse boxes that protect its electrical circuits and vehicle systems. Knowing their locations and fuse assignments helps identify electrical faults, replace blown fuses, and maintain essential components such as lighting, power windows, climate control, and infotainment systems.
Fuse Box Location
Passenger Compartment Fuse Box
Fuses under the left-hand front seat protect, amongst other things, electrical sockets, displays and door modules.
Engine Compartment Fuse Box
To access the fuses you need to unclip the box lid.
Fuse Box Diagram
Passenger Compartment Fuse Box
| Fuse No. | Amp Rating | Function |
|---|---|---|
| 1 | 40 A | Audio control module / Sound control unit |
| 2 | 30 A | Central Electronic Module (CEM) A: Sensors, radar units, power seats* |
| 3 | 30 A | Central Electronic Module (CEM) B: Sensors, radar units, power seats* |
| 4 | 40 A | Front climate fan module |
| 5 | 25 A | Power operated tailgate* |
| 6 | 20 A | Right front power seat* |
| 7 | — | Unused fuse |
| 8 | — | Unused fuse |
| 9 | 20 A | Right rear door module |
| 10 | 20 A | Left rear door module |
| 11 | 20 A | Front left door module |
| 12 | 5 A | Safety module (ASDM) |
| 13 | 20 A | Front right door module |
| 14 | 15 A | Rear seat heating* |
| 15 | 5 A | 48 V battery control unit |
| 16 | 5 A | Calculation module |
| 17 | 5 A | Sun sensor |
| 18 | — | No assignment listed |
| 19 | 7.5 A | Climate control module |
| 20 | 5 A | Interior motion sensors / Movement detectors* |
| 21 | 5 A | Driver display |
| 22 | 5 A | Centre stack buttons / Centre console keypad |
| 23 | 5 A | Steering wheel module |
| 24 | 5 A | Start knob, electric gear selector, electronic parking brake |
| 25 | 5 A | Centre display |
| 26 | 5 A | Connected services control module |
| 27 | 5 A | TCAM antenna / Multiband antenna / Telematics antenna module |
| 28 | 5 A | Relay coils |
| 29 | 5 A | Foot movement tailgate opening sensor* |
| 30 | 15 A | Infotainment system |
| 31 | 10 A | Diagnostic port OBD-II |
| 32 | 5 A | Alcohol lock* (2023–2026-2027:) 2024 & 2025; —- |
| 33 | 15 A | Rear left headrest lock motor |
| 34 | 15 A | Rear right headrest lock motor |
| 35 | — | No assignment listed |
| 36 | — | No assignment listed |
| 37 | — | No assignment listed |
| 38 | — | No assignment listed |
| 39 | — | No assignment listed |
| 40 | 30 A | Rear window defroster / Heated rear windscreen |
| 41 | 40 A | Left seatbelt pretensioner |
| 42 | 40 A | Right seatbelt pretensioner |
| 43 | — | No assignment listed |
| 44 | — | No assignment listed |
| 45 | — | No assignment listed |
| 46 | 5 A | Seatbelt control module (Added separately in 2024–2027; not separately listed in 2023) |
| 47 | 5 A | Blind Spot Information (BLIS)* |
| 48 | 5 A | Front radar |
| 49 | 15 A | All Wheel Drive (AWD) control unit* |
| 50 | 5 A | Humidity sensor / 48 V battery generator and converter |
| 51 | 20 A | Fuel pump control module |
| 52 | 7.5 A | Coolant pump / Cooling fluid pump |
| 53 | 15 A | Heated steering wheel* |
| 54 | 5 A | Air humidity sensor / Air particle sensor |
| 55 | 25 A | Headlamp washers* |
| 56 | 25 A | Windscreen washers |
| 57 | — | Spare/unused MCase fuse |
| 58 | — | Spare/unused MCase fuse |
| 59 | — | No assignment listed |
| 60 | — | Spare/unused Micro fuse |
| 61 | — | Spare/unused Micro fuse |
| 62 | — | Spare/unused Micro fuse |
| 63 | — | Spare/unused Micro fuse |
| 64 | 5 A | Blind Spot Information (BLIS)* |
| 65 | — | Spare/unused Micro fuse |
| 66 | 5 A | Front radar |
| 67 | 15 A | All Wheel Drive (AWD) control unit* |
| 68 | 5 A | Exhaust system |
| 69 | — | Spare/unused Micro fuse |
| 70 | — | Spare/unused Micro fuse |
| 71 | 5 A | Airbags and seatbelt pretensioners control module |
| 80 | 15 A | Rear windscreen wiper |
| 81 | 20 A | Roof console / Panoramic roof console* |
| 82 | 5 A | 360° parking camera* |
| 83 | 7.5 A | Interior lights, rear-view mirror, rain/light sensors, rear door and boot panels |
| 84 | 5 A | Wireless charging / Wireless mobile charger* |
| 85 | 5 A | Driver support features control module |
| 86 | 5 A | Alcohol lock* |
| 87 | 5 A | USB ports |
| 90 | — | Spare/unused Micro fuse |
| 91 | — | Spare/unused Micro fuse |
Engine Compartment Fuse Box
Volvo XC40 (2023-2025)
| Fuse No. | Amp Rating | Function |
|---|---|---|
| 1 | 5A | USB port, tunnel console, rear* |
| 2 | 15A | 12 V socket, tunnel console, front |
| 3 | — | Not used |
| 4 | 15A | 12 V socket cargo area* |
| 5 | 20A | Engine Control Module (ECM) |
| 6 | 15A | Spark plugs / ignition coils |
| 7 | 15A | Engine Control Module (ECM); Fuel evaporation valve (EVAP) |
| 8 | 15A | Spoiler damper control module; radiator damper control module; engine oil pump solenoid; AC compressor solenoid; engine component group |
| 9 | 15A | Lambda probe group |
| 10 | — | Not used |
| 11 | 20A | Coolant pump |
| 12 | 20A | Right headlamp |
| 13 | 20A | Left headlamp |
| 14 | 5A | Airbags |
| 15 | 5A | Accelerator pedal sensor |
| 16 | 5A | Engine control module, transmission components, electric steering servo, central electronic module, brake system module (ignition ON supply) |
| 17 | 5A | 2023: Electric additional heater, firewall module, diagnostic port, exterior sound module; 2024–2025: Firewall module, diagnostic port, exterior sound module |
| 18 | 5A | 2023: Alcohol lock*; 2024–2025: Not used |
| 19 | — | 2023: Not used; 2024–2025: Not used |
| 20 | 5A | Internal relay coils |
| 21 | — | Not used |
| 22 | 5A | Brake pedal sensor |
| 23 | 5A | Calculation unit |
| 24 | 25A | Clutch actuator |
| 25 | 15/25A | Transmission control module; clutch actuator |
| 26 | 5A | Motor control module |
| 27 | — | 2023: Charging unit (On Board Charger); 2024–2025: Not used |
| 28 | 5A | 2023: Hybrid battery control module; high voltage converter; high voltage generator; 2024–2025: Not used |
| 29 | 20A | Horn |
| 30 | 5A | Siren* |
| 31 | 30A | Windscreen wipers (2023–2025 same; fuse type changed: 2023–2024 MCase+ HT*, 2025 MCase+) |
| 32 | 40A | 2023–2024: Brake system control module (valves, parking brake); 2025: Not used |
| 33 | 40A | 2023–2024: Brake system control module (ABS pump); 2025: Not used |
| 34 | 40A | 2023: Brake assistance module; 2024–2025: Not used |
| 35 | 30A | Transmission control module* (2023–2025 same; fuse type changed: 2023–2024 MCase+ HT*, 2025 MCase+) |
| 36 | 30A | Transmission control module* (2023–2025 same; fuse type changed: 2023–2024 MCase+ HT*, 2025 MCase+) |
| 37 | 30A | Headlamps (2023–2025 same; fuse type changed: 2023–2024 MCase+ HT*, 2025 MCase+) |
| 38 | 30A | Brake system control module (2023–2025 same; fuse type changed: 2023–2024 MCase+ HT*, 2025 MCase+) |
| 39 | — | 2023: Start solenoid; 2024–2025: Not used |
| 40 | — | Towbar control module* (2023: 25A; 2024–2025: fuse position without rating) |
| 41 | 25A | Towbar control module* |
| 42 | 40A | Towbar control module* (2023–2025 same; fuse type changed: 2023–2024 MCase+ HT*, 2025 MCase+ HT*) |
| 43 | — | 2023: Not used; 2024–2025: Not used |
| 44 | 20A | Power driver seat* (2023–2025 same; fuse type changed: 2023–2024 MCase+ HT*, 2025 MCase+) |
| 45 | — | 2023–2024: Not used; 2025: Not used (MCase type) |
| 46 | 5A | 2023: Air conditioning; coolant heating control module; high voltage cooler; 2024–2025: Not used |
| 47 | 5A | 2023: Hybrid battery control module; high voltage converter; high voltage generator; 2024–2025: Not used |
| 48 | 15A | 2023: Hybrid battery cooling valve; hybrid battery coolant pump; 2024–2025: Not used |
| 49 | 15A | 2023: Electric drive system coolant pump; 2024–2025: Not used |
| 50 | — | Not used |
| 51 | 30A | Transmission control module, oil pump* (2023–2025 same; fuse type changed: 2023–2024 MCase+ HT*, 2025 MCase+) |
| 52 | 40A | Heated windscreen, right* |
| 53 | 40A | Heated windscreen, left* |
| 54 | 5A | 2023: Voltage control, support battery; 2024: Voltage control, support battery; 2025: Not used |
| 55 | 20A | Left headlamp |
| 56 | 20A | Right headlamp |
Volvo XC40 (2026 & 2027)
| Fuse No. | Amp Rating | Function |
|---|---|---|
| 1 | 5A | USB port in the rear of tunnel console |
| 2 | 15A | Front 12 V socket in tunnel console |
| 3 | — | Not used |
| 4 | 15A | 12 V socket in boot |
| 5 | 20A | Engine Control Module (ECM) |
| 6 | 15A | Spark plugs |
| 7 | 15A | Engine Control Module (ECM), Fuel evaporation pump (EVAP) |
| 8 | 15A | Spoiler damper, radiator damper, switching valve for coolant, solenoid engine oil pump, solenoid air conditioning compressor |
| 9 | 15A | Lambda sensor |
| 10 | — | Not used |
| 11 | 20A | Cooling water pump |
| 12 | 20A | Right headlight |
| 13 | 20A | Left headlight |
| 14 | 5A | Collision module (SRS), Occupant Weight Sensor (OWS) |
| 15 | 5A | Accelerator pedal |
| 16 | 5A | Supplied when ignition is switched on: Engine, transmission, electric steering servo, central electronics, brake system |
| 17 | — | Not used |
| 18 | 5A | Alcohol lock |
| 19 | — | Not used |
| 20 | 5A | Relay coils |
| 21 | — | Not used |
| 22 | 5A | Brake pedal sensor |
| 23 | 5A | Calculation unit |
| 24 | 25A | Gear selector |
| 25 | 25A | Gear selector |
| 26 | 5A | Engine Control Module (ECM) |
| 27 | — | Not used |
| 28 | — | Not used |
| 29 | 20A | Horn |
| 30 | 5A | Alarm siren |
| 31 | 30A | Wipers |
| 32 | — | Not used |
| 33 | — | Not used |
| 34 | — | Not used |
| 35 | 30A | Transmission control |
| 36 | 30A | Transmission control |
| 37 | — | Not used |
| 38 | 30A | Headlights |
| 39 | 30A | Brakes |
| 40 | — | Not used |
| 41 | 25A | Towbar |
| 42 | 40A | Towbar |
| 43 | — | Not used |
| 44 | 20A | Driver’s seat |
| 45 | — | Not used |
| 46 | — | Not used |
| 47 | — | Not used |
| 48 | — | Not used |
| 49 | — | Not used |
| 50 | — | Not used |
| 51 | — | Not used |
| 52 | 40A | Heated windscreen, right side |
| 53 | 40A | Heated windscreen, left side |
| 54 | — | Not used |
| 55 | 20A | Left headlight |
| 56 | 20A | Right headlight |
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