Volvo S90 2021 Fuse Box Info
Passenger compartment fuse box location:
The fuse box in the passenger compartment is located behind the floor mat/side panel.
Engine compartment fuse box location:
Luggage compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 10A | 48 V battery control module** |
| 2 | - | - |
| 3 | - | - |
| 4 | 5A | Movement sensor* |
| 5 | - | - |
| 6 | 5A | Instrument panel |
| 7 | 5A | Center console keypad |
| 8 | 5A | Sun sensor |
| 9 | - | - |
| 10 | - | - |
| 11 | 5A | Steering wheel module |
| 12 | 5A | Control module, start knob and parking brake |
| 13 | 15A | Heated steering wheel* |
| 14 | - | - |
| 15 | - | - |
| 16 | - | - |
| 17 | 15A | Rear lighting control module |
| 18 | 10A | Climate system control module |
| 19 | - | - |
| 20 | 10A | Diagnostics port |
| 21 | 5A | Center display |
| 22 | 40A | Climate system blower module, front |
| 23 | 5A | USB hub |
| 24 | 7.5A |
Instrument lighting, Passenger compartment lighting, Rearview mirror auto-dimming*, Rain and light sensors*, Power front seats*, Rear door control panels, Climate system blower module, Keypad in tunnel console, rear seat footwell* |
| 25 | 5A | Driver support functions control module |
| 26 | 20A | Overhead console |
| 27 | 5A | Head-up display* |
| 28 | 5A | Passenger compartment lighting |
| 29 | 5A | Wireless charging pad |
| 30 | 5A | Overhead console display |
| 31 | - | - |
| 32 | - | - |
| 33 | 20A | Door module, right side, rear |
| 34 | 10A | Fuses in the trunk/cargo compartment |
| 35 | 5A |
Control module for Internet-connected vehicle, Volvo On Call control module |
| 36 | 20A | Door module, left side, rear |
| 37 | 40A | Infotainment control module (amplifier) |
| 38 | - | - |
| 39 | 5A | Multi-band antenna |
| 40 | 5A | Seat comfort control module, front* |
| 41 | - | - |
| 42 | - | - |
| 43 | 15A | Fuel pump control module |
| 44 | 5A |
Relay windings for transmission oil pump, 48 V converter**, Engine start module** |
| 45 | - | - |
| 46 | 15A | Driver's seat heating |
| 47 | 15A | Front passenger's seat heating |
| 48 | 10A | Coolant pump |
| 49 | - | - |
| 50 | 20A | Door module, left side, front |
| 51 | 20A | Active chassis module* |
| 52 | 5A | Opening trunk/tailgate with foot movement* |
| 53 | 10A | Infotainment module |
| 54 | - | - |
| 55 | - | - |
| 56 | 20A | Door module, right door |
| 57 | - | - |
| 58 | 5A | TV* (certain markets only) |
| 59 | 15A | Primary fuse for fuses 52, 53, 57 and 58 |
* Option/accessory
** Only mild hybrid vehicles
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | - | - |
| 2 | - | - |
| 3 | 15A |
Turbo charge pressure module, Heated oxygen sensor group |
| 4 | 15A |
Spark plug/ignition coils (gasoline), Exhaust sensor group, diesel particulates/nitrous oxides (diesel) |
| 5 | 15A |
Engine oil pump solenoid, Heated oxygen sensor group, Air conditioning compressor solenoid |
| 6 | 7.5A |
Oil level and temperature sensors, Glow plug control module (diesel), Engine component group 1 (Components related to engine function, including turbo/compressor. Content depends on engine variant). |
| 7 | 20A |
Engine control module, Throttle control module, Engine component group 2 (Components related to engine function, including turbo/compressor. Content depends on engine variant). |
| 8 | 5A | Engine control module |
| 9 | - | - |
| 10 | 10A |
Glow plug control module (diesel), Engine component group 3 (Components related to engine function, including turbo/compressor and cooling/temperature regulation of driveline. Content depends on engine variant.) |
| 11 | 5A |
Spoiler damper control module, Cooler damper control module, Relay windings power pulse (PowerPulse) (diesel), Coolant changeover valve, Fuel leakage control pump |
| 12 | 15A | Coolant pump |
| 13 | 20A | Engine control module |
| 14 | 40A | Starter motor |
| 15 | Shunt | Starter motor |
| 16 | 30A | Fuel filter heater (diesel) |
| 17 | - | - |
| 18 | 5A | Calculation module |
| 19 | - | - |
| 20 | - | - |
| 21 | 15A | Camshaft engine control module (gasoline) |
| 22 | - | - |
| 23 | 7.5A | USB port in tunnel console, rear* |
| 24 | 15A | 12 V outlet tunnel console, front |
| 25 | - | - |
| 26 | 15A | 12 V outlet in trunk/cargo compartment* |
| 27 | - | - |
| 28 | 15A | Headlight, left |
| 29 | 15A | Headlight, right |
| 30 | - | - |
| 31 | - | - |
| 32 | - | - |
| 33 | 25A | Headlight washers* |
| 34 | 25A | Washer fluid pump, front |
| 35 | 15A |
Transmission control module, Electric gear selector |
| 36 | 20A | Horn (honk) |
| 37 | 5A | Alarm siren* |
| 38 |
40A 30A |
Brake system control module (valves, parking brake) Brake assist control module** |
| 39 | 30A | Wipers |
| 40 | - | - |
| 41 | - | - |
| 42 | 20A | Parking heater* |
| 43 | 40A | Brake system control module (ABS pump) |
| 44 | - | - |
| 45 | - | - |
| 46 | 5A | Fed when ignition is on: engine control module, transmission components, electrical power steering, central electrical module, brake system control module |
| 47 | - | - |
| 48 | 15A | Headlight, right |
| 49 | - | - |
| 50 | 10A | Transmission control module |
| 51 | 5A | Battery connection control module |
| 52 | 5A |
Collision module (SRS), Occupant weight sensor (OWS) |
| 53 | 15A | Headlight, left |
| 54 | 5A | Accelerator pedal sensor |
* Option/accessory
** Only mild hybrid vehicles
Luggage compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 30A | Heated rear window |
| 2 | 40A | Central electrical module |
| 3 | 40A | Compressor for pneumatic suspension* |
| 4 | 15A | Lock motor for rear seat backrest, right side |
| 5 | - | - |
| 6 | 15A | Lock motor for rear seat backrest, left side |
| 7 | 20A | Door module right side, rear** |
| 8 | - | - |
| 9 | 25A | Power trunk release* |
| 10 | 20A | Power front passenger seat* Door module right side, front** |
| 11 | 40A | Towbar* control module |
| 12 | 40A | Seat belt tensioner, right |
| 13 | 5A | Internal relay windings |
| 14 | - | - |
| 15 | 20A | Door module, left side, rear |
| 16 | - | - |
| 17 | - | - |
| 18 |
25A 40A |
Towbar* control module Accessory module |
| 19 | 20A | Power driver seat* Door module left side, front** |
| 20 | 40A | Seat belt tensioner, left |
| 21 | 5A | Park Assist Camera* |
| 22 | 10A | Rear lighting (backup) |
| 23 | - | - |
| 24 | - | - |
| 25 | - | - |
| 26 | - | - |
| 27 | - | - |
| 28 | 15A | Heated rear seat, left* |
| 29 | - | - |
| 30 | 5A | Blind Spot Information (BLIS)* |
| 31 | - | - |
| 32 | 5A | Seat belt tensioner, left |
| 33 | 5A | Actuator, exhaust system (gasoline) |
| 34 | - | - |
| 35 | 15A | All Wheel Drive (AWD)* control module |
| 36 | 15A | Heated rear seat, right* |
| 37 | - | - |
* Option/accessory
** Only mild hybrid vehicles
