Nio EL8 2025 Fuse Box Info
Passenger compartment fuse box location:
The instrument panel fuse box A (Main Fuse Box) is located to the left of the steering wheel, under the dashboard. The fuse box B (Pre-Fuse Box) is located in the floor, on the driver's side.
Under hood compartment fuse box location:
Luggage compartment fuse box location:
The luggage fuse box A (Left Fuse Box) is located on the left side of the trunk. The fuse box B (Pre-Fuse Box) is located on the left side of the trunk. The luggage fuse box C (Right Fuse Box) is located on the right side of the trunk.
Fuse Box Diagram | Layout
Passenger compartment fuse box A:
| Fuse/Relay N° | Rating | Functions |
| IR01 | ISO MINI | KL15 relay |
| IR02 | POWER MINI | Power socket relay |
| IR03 | POWER MINI | Interior lighting/seat/trailer control relay |
| IF01 | 10A | Battery management unit power supply 2 |
| IF02 | 10A | Rear feature console |
| IF03 | 10A | Electronic shift module |
| IF04 | 10A | Brake switch |
| IF05 | 10A | Vehicle controller power supply 1 |
| IF06 | 15A | Central computing cluster (entertainment feature power supply 1) |
| IF07 | 10A | Body gateway module power supply 1 |
| IF08 | 10A | Body controller (fuse box power supply)/front wireless charging module |
| IF09 | 10A | Center display |
| IF10 | 30A | Central computing cluster (ADAS feature power supply 1) |
| IF11 | 15A | Pyrotechnic safety switch |
| IF12 | 10A | Left/front Bluetooth antenna module |
| IF13 | 10A | Steering column module |
| IF14 | 10A | Head-up display/intelligent robot |
| IF15 | 10A | Smart antennas |
| IF16 | 30A | Central computing cluster (ADAS feature power supply 2) |
| IF17 | 10A | A/C control unit |
| IF18 | 10A | Four outer door handles/driver door switch/charging port capacitive sensor |
| IF19 | 10A | IR01/IR02 relay coil-end |
| IF20 | 10A | Diagnostic port |
| IF21 | - | - |
| IF22 | 10A | ETC (CN)/alcohol interlock (EU) |
| IF23 | 15A | Body controller (washer fluid pump) |
| IF24 | 10A | A/C control unit/rain and light sensor/fragrance control module |
| IF25 | 20A | Body controller power supply 1 |
| IF26 | 20A | Body controller power supply 2 |
| IF27 | 10A | Digital instrument cluster display |
| IF28 | 10A | Radar sensor/parking controller |
| IF29 | 10A | Electric power steering power supply 1 |
| IF30 | 10A | Electric power steering power supply 2 |
| IF31 | 10A | Airbag controller (KL15 power supply) |
| IF32 | 10A | Vehicle controller (KL15 power supply) |
| IF33 | 10A | Air conditioning control unit/ETC (CN)/rearview mirror assembly (KL15 power supply) |
| IF34 | 20A | Left headlight |
| IF35 | 20A | Right headlight |
| IF36 | - | - |
| IF37 | 10A | Liftgate middle taillight |
| IF38 | 10A | Body left taillight |
| IF39 | 10A | Body right taillight |
| IF40 | 10A | Body control module (IR01 relay feedback)/body gateway module (IR01 relay feedback)/IR03 relay coil-end |
| IF41 | 25A | Front 12V power supply outlet |
| IF42 | 15A | Center console armrest USB module |
| IF43 | 10A | Body gateway module (IR02 relay feedback) |
| IF44 | - | - |
| IF45 | 10A | Right rear trunk fuse box TRR02 relay/center console front storage box USB |
| IF46 | - | - |
| IF47 | 10A | Interior lighting power supply 1 |
| IF48 | 10A | Interior lighting power supply 2 |
| IF49 | 10A | First-row and second-row seat massage |
| IF50 | 15A | Trailer control module |
| IF51 | 30A | Front right door control module/rear right door control module power supply 2 |
| IF52 | 30A | Driver seat control unit |
| IF53 | 30A | Passenger seat control unit |
| IF54 | 30A | Front left door control module power supply 1 |
| IF55 | 30A | Front right door control module power supply 1 |
| IF56 | 30A | Rear left door control module power supply 1 |
| IF57 | 30A | Rear right door control module power supply 1 |
| IF58 | 30A | Driver seat control unit |
| IF59 | 30A | Passenger seat control unit |
| IF60 | 30A | Second-row left seat control unit |
| IF61 | 30A | Second-row right seat control unit |
| IF62 | 60A | Brake pressure regulating module power supply 2 |
| IF63 | 50A | IR02 relay |
| IF64 | 40A | IR01 relay |
| IF65 | 50A | IR03 relay |
| IF66 | 40A | Sunroof |
| IF67 | 30A | Front left door control module/rear left door control module power supply 2 |
| IF68 | 60A | Brake pressure regulating module power supply 1 |
Passenger compartment fuse box B:
| Fuse/Relay N° | Rating | Functions |
| PF01 | 450A | High-voltage DC converter integrated component |
| PF02 | 200A | Instrument panel fuse box |
| PF03 | 200A | Front trunk fuse box |
| PF04 | 125A | Electric power steering gear_1 |
| PF05 | 125A | Electric power steering gear_2 |
Under hood compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| UR01 | POWER MINI | Cooling fan relay |
| UR02 | ISO MICRO | Steering wheel heating relay |
| UR03 | ISO MICRO | Electronic water pump - high-voltage battery relay |
| UR04 | ISO MINI | KL87 relay |
| UR05 | ISO MICRO | Horn relay |
| UR06 | ISO MICRO | Front windshield heating relay |
| UR07 | ISO MICRO | Electronic water pump - front motor relay |
| UR08 | MINI | Air supply unit relay |
| UR09 | MINI | Front fan relay |
| UF01 | 60A | UR01 relay |
| UF02 | 40A | Front row left retractor assembly |
| UF03 | 25A | Front wiper motor |
| UF04 | - | - |
| UF05 | 10A | High-voltage DC converter integrated component (CN)/high-voltage control system (EU) |
| UF06 | 10A | Front inverter |
| UF07 | 15A | UR02 relay |
| UF08 | 10A | Charging indicator |
| UF09 | 50A | UR09 relay |
| UF10 | 10A | High-voltage control system (EU) |
| UF11 | 20A | UR03 relay |
| UF12 | - | - |
| UF13 | 10A | A/C system, UR09 Relay coil-end |
| UF14 | 20A | UR07 relay |
| UF15 | 40A | UR08 relay |
| UF16 | - | - |
| UF17 | 10A | Integrated high-voltage distribution unit |
| UF18 | 15A | Vehicle controller |
| UF19 | - | - |
| UF20 | 10A | UR01/UR03 relay coil-end |
| UF21 | 10A | Five-way cooling water valve |
| UF22 | 10A | Brake switch |
| UF23 | 10A | Front bumper movable grille |
| UF24 | 15A | Flare |
| UF25 | - | - |
| UF26 | 15A | Front windshield heating |
| UF27 | - | - |
| UF28 | 10A | UR07 relay coil-end |
Luggage compartment fuse box A:
| Fuse/Relay N° | Rating | Functions |
| TR01 | - | - |
| TR02 | ISO MINI | Rear windshield defog relay |
| TR03 | ISO MINI | KL15 relay (redundant backup) |
| TR04 | - | - |
| TR05 | - | - |
| TR06 | - | - |
| TR07 | ISO MICRO | Rear wiper relay |
| TR08 | ISO MICRO | Center console blower fan relay |
| TR09 | - | - |
| TR10 | - | - |
| TR11 | - | - |
| TR12 | - | - |
| TR13 | - | - |
| TF01 | - | - |
| TF02 | - | - |
| TF03 | 10A | Battery management unit power supply 1 |
| TF04 | 10A | Body gateway module power supply 2 |
| TF05 | 15A | TR07 relay |
| TF06 | 10A | Rear inverter |
| TF07 | 10A | LiDAR |
| TF08 | 30A | Central computing cluster (ADAS feature power supply 1) |
| TF09 | - | - |
| TF10 | 30A | Central computing cluster (ADAS feature power supply 2) |
| TF11 | 30A | Body controller (exterior lighting power supply 1) |
| TF12 | 30A | Body controller (exterior lighting power supply 2) |
| TF13 | 10A | Vehicle controller power supply 2 |
| TF14 | 10A | TR02 relay coil-end |
| TF15 | 10A | Liftgate kick-activated sensor |
| TF16 | 15A | Central computing cluster (entertainment feature power supply 2) |
| TF17 | 10A | First and second-row seats control module common power supply |
| TF18 | 20A | TR08 relay |
| TF19 | 10A | TR03 relay coil-end |
| TF20 | - | - |
| TF21 | 10A | AR extender |
| TF22 | - | - |
| TF23 | 20A | Body controller |
| TF24 | 20A | Trailer control module power supply 2 |
| TF25 | - | - |
| TF26 | - | - |
| TF27 | - | - |
| TF28 | - | - |
| TF29 | - | - |
| TF30 | - | - |
| TF31 | 30A | Flexible chassis controller power supply 4 |
| TF32 | 20A | Trailer control module power supply 1 |
| TF33 | 30A | Second-row left seat control module power supply 1 |
| TF34 | 30A | Liftgate control module |
| TF35 | - | - |
| TF36 | 30A | Second-row right seat control module power supply 1 |
| TF37 | 30A | Flexible chassis controller power supply 1 |
| TF38 | 20A | Flexible chassis controller power supply 2 |
| TF39 | 30A | TR02 relay |
| TF40 | 40A | TR03 relay |
| TF41 | 20A | Flexible chassis controller power supply 3 |
Luggage compartment fuse box B:
| Fuse/Relay N° | Rating | Functions |
| BF01 | 200A | Rear trunk fuse box |
| BF02 | 125A | Right rear trunk fuse box |
| BF03 | 350A | Front Pre-fuse Box |
Luggage compartment fuse box C:
| Fuse/Relay N° | Rating | Functions |
| TRR01 | POWER MINI | Rear fan relay |
| TRR02 | POWER MINI | Power socket relay |
| TRF01 | 30A | Power amplifier control unit power supply 1 |
| TRF02 | 30A | Power amplifier control unit power supply 2 |
| TRF03 | 20A | TRR01 relay |
| TRF04 | 50A | TRR02 relay |
| TRF05 | 15A | Body controller (charging port flap) |
| TRF06 | 15A | Three-in-one wireless charging board |
| TRF07 | 10A | Child detection radar |
| TRF08 | 10A | Right/rear/tail Bluetooth antenna module |
| TRF09 | 10A | Refrigerator |
| TRF10 | 10A | Charge port ground protection |
| TRF11 | 15A | (Signature edition) second-row USB charge port |
| TRF11 | 10A | (Signature edition) second-row USB charge port - left |
| TRF12 | 10A | (Signature edition) second-row USB charge port - right |
| TRF13 | 10A | (Signature edition) third-row USB charge port - left |
| TRF14 | 10A | (Signature edition) third-row USB charge port - right |
| TRF15 | 25A | Rear 12V power supply outlet |
| TRF16 | - | - |
| TRF17 | - | - |
