Volvo EC40 2026 Fuse Box Info
Passenger compartment fuse box location:
The fuse box in the passenger compartment is located behind the floor mat/panel, under the glove box.
Under hood compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 40A | Audio amplifier |
| 2 | 30A | Central Electrical Module (CEM) A |
| 3 | 30A | Central Electrical Module (CEM) B |
| 4 | 40A | Fan for front climate |
| 5 | 25A | Power-operated tailgate |
| 6 | 20A | Power-operated front left seat |
| 7 | 20A | Power-operated front right seat |
| 8 | - | - |
| 9 | 20A | Rear right door |
| 10 | 20A | Rear left door |
| 11 | 20A | Front left door |
| 12 | 15A | Rear lighting |
| 13 | 20A | Right doors |
| 14 | 15A | Rear seat heating |
| 15 | 5A | Safety module (ASDM), Converter rear electric motor |
| 16 | 5A | Calculation module |
| 17 | 5A | Sun sensor, Toll collection transponder |
| 18 | - | - |
| 19 | 7.5A | Climate control |
| 20 | 5A | Interior motion sensors |
| 21 | 5A | Instrument panel |
| 22 | 5A | Buttons in the center stack |
| 23 | 5A | Steering wheel |
| 24 | 5A | Electric gear selector |
| 25 | 5A | Center display |
| 26 | 5A | Connected services |
| 27 | 5A | TCAM antenna |
| 28 | 5A | Relay coils |
| 29 |
5A - |
Foot movement opening of the trunk - |
| 30 | 15A | Infotainment |
| 31 | 10A | On-board diagnostic port OBDII |
| 32 | - | - |
| 33 | 15A | Rear left headrest |
| 34 | 15A | Rear right headrest |
| 40 | 30A | Heated rear windshield |
| 41 | 40A | Left seat belt pretensioner |
| 42 | 40A | Right seat belt tensioner |
| 50 | - | - |
| 51 | - | - |
| 52 | 7.5A | Cooling fluid pump |
| 53 | 15A | Heated steering wheel |
| 55 | 25A | Headlight washers |
| 56 | 25A | Windshield washers |
| 57 | - | - |
| 58 | - | - |
| 59 | - | - |
| 60 | - | - |
| 61 | - | - |
| 62 | - | - |
| 63 | - | - |
| 64 | 5A | Blind spot information (BLIS) |
| 65 | - | - |
| 66 | - | - |
| 67 | 5A | Front radar units |
| 68 | - | - |
| 69 | - | - |
| 70 | - | - |
| 71 | 5A | Air bags and seat belt pretensioners |
| 80 | - | - |
| 81 | 5A | Electronic gear shift, Overhead console indicator light, Wide-angle vision, 360 parking camera |
| 83 | 7.5A | Interior lights, Rearview mirror, Rain and light sensors, Panels in rear doors and trunk |
| 84 | 5A | Wireless charging |
| 85 | 5A | Front camera |
| 86 | - | - |
| 87 | 5A | USB port |
| 90 | - | - |
| 91 | - | - |
Under hood compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 7.5A | USB ports in the rear of the center console |
| 2 | 15A | Front 12 V outlet in center console |
| 3 | - | - |
| 4 | - | - |
| 5 | 10A | Engine Control Module (ECM) |
| 6 | 15A | Shut-off valve for traction battery cooling |
| 7 | 5A | Coolant pump for traction battery |
| 8 | 10A | Spoiler damper and radiator |
| 9 | - | - |
| 10 | - | - |
| 11 | - | - |
| 12 | 20A | Right headlight |
| 13 | 20A | Left headlight |
| 14 | 5A | Collision module (SRS), Capactive occupant sensor (COS) |
| 15 | 5A | Accelerator pedal |
| 16 | 5A | Supplied when the ignition is turned on: Engine, Transmission, Electric steering servo, Central electronics, Brake system |
| 17 | 5A | Diagnostic port firewall, Exterior vehicle noise |
| 18 | - | - |
| 19 | 10A | Rear exterior lighting |
| 20 | 5A | Relay coils |
| 21 | - | - |
| 22 | 5A | Brake pedal |
| 23 | 5A | Calculation unit |
| 24 | 5A | Traction battery |
| 25 | - | - |
| 26 | 5A | Engine Control Module (ECM) |
| 27 | 5A | Charging unit |
| 28 | 5A | Front motor converter |
| 29 | 20A | Horn |
| 30 | 5A | Alarm siren |
| 31 | 30A | Wipers |
| 32 | - | - |
| 33 | - | - |
| 34 | - | - |
| 35 | 30A | Brakes |
| 36 | - | - |
| 38 | 30A | Headlights |
| 39 | - | - |
| 40 | - | - |
| 41 |
25A - |
Towbar - |
| 42 |
40A - |
Towbar - |
| 43 | - | - |
| 44 | - | - |
| 45 | - | - |
| 46 | 5A | Outer heat exchanger |
| 47 | 5A | High-voltage converter, Air conditioning compressor, Switching valve, Surveillance unit |
| 48 | 15A | Traction battery, Front and rear motor converter |
| 49 | 20A | Traction battery cooling pump |
| 50 | 20A | Traction battery cooling pump |
| 51 | - | - |
| 52 | - | - |
| 53 | - | - |
| 54 | - | - |
| 55 | 20A | Left headlight |
| 56 | 20A | Right headlight |
