Table of Contents
Volvo officially unveiled the XC40 compact crossover in September 2017. It is built on the Compact Modular Architecture (CMA) platform, co-developed by Volvo and Geely. This article provides detailed fuse box diagrams and allocation tables for first-generation Volvo XC40 models manufactured from 2017 to 2022.
Below you will find distribution box locations, wiring diagrams, and fuse assignment charts. Fuses for high-demand components such as the **12 V power outlet / cigarette lighter** and **fuel pump** are highlighted in bold text.
Passenger Compartment Fuse Box
Located beneath the driver's seat.
General overview of the Volvo XC40 passenger compartment fuse box.
| Diagram | ||
|---|---|---|
|
||
| No. | Rating (A) | Circuit / Protected Component |
| 1 | 40 | Audio Control Module (AUD) / amplifier (select variants) |
| 2 | 40 | Central Electronic Module (CEM) A: sensors, radar units, power seats (optional) |
| 3 | 40 | Central Electronic Module (CEM) B: sensors, radar units, power seats (optional) |
| 4 | 40 | Front climate control blower module |
| 5 | 25 | Power tailgate control module (optional) |
| 6 | 20 | Right power seat (optional) |
| 7 | 25 | Parking heater (optional) |
| 8 | 30 | Selective catalytic reduction (SCR) / NOx control module (diesel), solar sensor |
| 9 | 20 | Right rear door control module |
| 10 | 20 | Left rear door control module |
| 11 | 20 | Left front door control module |
| 12 | - | Spare |
| 13 | 20 | Right front door control module |
| 14 | 15 | Heated rear seats (optional) |
| 15 | - | Spare |
| 16 | - | Spare |
| 17 | 15 | Selective catalytic reduction (SCR) / NOx control module (diesel) |
| 18 | Spare | |
| 19 | 7.5 | Climate Control Module (CCM) |
| 20 | 5 | Interior motion sensor (optional) |
| 21 | 5 | Driver Information Display / Instrument cluster (DIM) |
| 22 | 5 | Center console keypad |
| 23 | 5 | Steering Wheel Module (SWM) |
| 24 | 5 | Engine start switch and electronic parking brake control module |
| 25 | 5 | Center display (Sensus infotainment) |
| 26 | 5 | Telematics control module / Volvo On Call system |
| 27 | 5 | Multiband antenna module |
| 28 | 5 | Relay coils |
| 29 | 5 | Hands-free tailgate opening sensor / foot movement detector (optional) |
| 30 | 15 | Sensus TV receiver module (optional, select markets) |
| 31 | 10 | OBD-II diagnostic port |
| 32 | Spare | |
| 33 | 15 | Rear left seat backrest release motor |
| 34 | 15 | Rear right seat backrest release motor |
| 40 | 30 | Heated rear window (defroster) |
| 41 | 40 | Left seat belt pretensioner control module |
| 42 | 40 | Right seat belt pretensioner control module |
| 50 | 5 | Humidity sensor |
| 51 | 20 | Fuel pump module |
| 52 | 10 | Auxiliary coolant pump |
| 53 | 15 | Heated steering wheel (optional) |
| 54 | - | Spare |
| 55 | 25 | Headlight washers (optional) |
| 56 | 25 | Rear window washer pump |
| 57 | Spare | |
| 58 | Spare | |
| 59 | Spare | |
| 60 | Spare | |
| 61 | Spare | |
| 62 | Spare | |
| 63 | 5 | Seat belt pretensioner module |
| 64 | 5 | Blind Spot Information System (BLIS) module; reverse acoustic warning module |
| 65 | - | Spare |
| 66 | 5 | Solar sensor |
| 67 | 15 | All-Wheel Drive (AWD) control module |
| 68 | 10 | Auxiliary coolant pump |
| 69 | 5 | Park assist camera (optional) |
| 70 | - | Spare |
| 71 | 5 | Supplemental Restraint System (SRS) / Airbag and seat belt pretensioner control module |
| 80 | 15 | Rear window wiper motor |
| 81 | 20 | Panoramic sunroof (optional) |
| 82 | Spare | |
| 83 | 7.5 | Interior lighting; auto-dimming rearview mirror (optional); rain/light sensor (optional); rear door and cargo area control switchpacks |
| 84 | - | Spare |
| 85 | 5 | Driver assistance control module (ADAS) |
| 86 | 5 | Alcohol interlock device (Alcolock) |
| 87 | 5 | Wireless phone charger; USB ports / Alcohol interlock device |
| 90 | - | Spare |
| 91 | - | Spare |
- MCase fuses: Nos. 1–8, 40–42, and 55–58 (must be replaced by an authorized workshop).
- Micro fuses: Nos. 9–34, 50–54, and 60–91.
Engine Compartment Fuse Box
Located under a protective cover adjacent to the battery.
Illustrative example shown above.
| Diagram | ||
|---|---|---|
|
||
| No. | Rating (A) | Circuit / Protected Component |
| 1 | 5 | Rear center tunnel USB ports |
| 2 | 15 | Front center console 12 V power outlet / Cigarette lighter |
| 3 | - | Spare |
| 4 | 15 | 12 V power outlet in cargo area (optional) |
| 5 | 20 | Engine Control Module (ECM) |
| 6 | 15 | Ignition coils; Spark plugs |
| 7 | 15 | Solenoids (gasoline); Coolant thermostat (gasoline); EGR cooling pump (diesel); Glow plug control module (diesel); Engine Control Module |
| 8 | 10 | Solenoids (gasoline); Coolant thermostat (gasoline); EGR cooling pump (diesel); Glow plug control module (diesel); Vacuum regulators; Exhaust pulse valve (diesel) |
| 9 | 15 | Center oxygen (Lambda) sensor (gasoline); Rear oxygen (Lambda) sensor (diesel) |
| 10 | 15 | NOx sensor (diesel) |
| 11 | - | Spare |
| 12 | 20 | Right headlight assembly |
| 13 | 20 | Left headlight assembly |
| 14 | 5 | Airbags / Supplemental Restraint System (SRS) |
| 15 | 5 | Accelerator pedal position sensor |
| 16 | 5 | Ignition power supply: Engine Control Module (ECM), Transmission Control Module (TCM), Power Steering Module, Central Electronic Module (CEM), Brake Control Module (BCM) |
| 17 | 5 | Electric auxiliary heater; OBD-II power circuit protection |
| 18 | 5 | Alcohol interlock device (Alcolock) |
| 19 | - | Spare |
| 20 | 5 | Internal relay coils |
| 21 | - | Spare |
| 22 | 5 | Brake pedal position sensor |
| 23 | - | Spare |
| 24 | 5 | Automatic transmission gear selector actuator control module |
| 25 | 15 | Transmission Control Module (TCM) |
| 26 | 5 | Engine Control Module (ECM) |
| 27 | - | Spare |
| 28 | - | Spare |
| 29 | 20 | Horn |
| 30 | 5 | Alarm siren (optional) |
| 31 | 30 | Windshield wipers |
| 32 | 40 | Brake Control Module (BCM) – valves, electronic parking brake |
| 33 | 40 | Brake Control Module (BCM) – ABS pump |
| 34 | Spare | |
| 35 | 25 | Transmission actuator |
| 36 | - | Spare |
| 38 | 30 | Right headlight assembly; Left headlight assembly |
| 39 | - | Spare |
| 40 | - | Spare |
| 41 | 25 | Towbar control module (optional) |
| 42 | 40 | Towbar control module (optional) |
| 43 | - | Spare |
| 44 | 20 | Power driver seat (optional) |
| 45 | - | Spare |
| 46 | - | Spare |
| 47 | - | Spare |
| 48 | - | Spare |
| 48 | - | Spare |
| 49 | - | Spare |
| 50 | - | Spare |
| 51 | 30 | Fuel filter heater (diesel) |
| 52 | 40 | Heated windshield, left side (optional) |
| 53 | 40 | Heated windshield, right side (optional) |
| 54 | 5 | Auxiliary battery monitoring sensor |
| 55 | 20 | Left headlight assembly |
| 56 | 20 | Right headlight assembly |
- Micro fuses: Nos. 1–30, 46–50, and 54–56.
- MCase fuses: Nos. 31–45 and 51–53.