Cupra Born (2021 – 2026) Fuse Box Location & Diagrams
The Cupra Born (2021–2026) uses fuse boxes to protect essential electrical and electronic systems. Knowing the correct fuse locations and assignments helps with troubleshooting electrical issues and replacing blown fuses. This guide covers fuse box locations, diagrams, fuse ratings, and protected components for the Cupra Born.
Fuse Box Location
Passenger Compartment Fuse Box
Left-hand drive vehicles
Grasp the back of the cover and remove it in the direction of the arrow.
Right-hand drive vehicles
Open the glove compartment and, if necessary, empty it. Remove the cover (1) from above.
Engine Compartment Fuse Box
Press the locking tabs to unlock the fuse box cover (1). In the fuse box there may be plastic tweezers for removing fuses (2).
Fuse Box Diagram
Passenger Compartment Fuse Box
| № | Consumers | Amps |
|---|---|---|
| 2 | Airbag control unit (2021–2026) | 15A |
| 3 | Trailer detection control unit (2026) | 25A |
| 4 | Front camera / Interior rear-view mirror with automatic dimming (2021–2026) | 7.5A |
| 5 | On-board network control unit (2021–2026) | 25A |
| 6 | On-board network control unit (2021–2026) | 30A |
| 7 | Seat heating control unit (2021–2026) | 30A |
| 8 | Sunroof (2021–2022: 15A, 2023–2026: 20A) | 15A / 20A |
| 9 | Rear left window control / Left-hand door control unit (2021–2026) | 30A |
| 10 | Left tail light (2026) | 10A |
| 11 | Trailer detection control unit (2026) | 15A |
| 13 | On-board network control unit (2021–2026) | 40A |
| 14 | Digital sound amplifier (2021–2025: 30A, 2026: 20A) | 30A / 20A |
| 17 | Exterior mirrors / Park assist control unit / Blind spot control unit (2021–2026) | 5A |
| 18 | Access and start system / Steering column lock / Anti-theft protection control unit / Front-left door handle sensor / External vehicle communication antenna (2021–2026) | 5A |
| 19 | Instrument cluster / Navigation system / Emergency call (2021–2026) | 5A |
| 20 | Transmission and reception stabilisation control unit / Mobile interface / Media device interface (2021–2025: 7.5A, 2026: 15A) | 7.5A / 15A |
| 21 | Top view camera (2021–2026) | 7.5A |
| 22 | Motor control unit (2021–2026) | 10A |
| 23 | Internet access control unit (2021–2025) | 5A |
| 24 | Right tail light (2026) | 5A |
| 25 | Driver’s seat belt (2021–2026) | 25A |
| 26 | Right rear window control unit / Right-hand door control unit (2021–2026) | 30A |
| 27 | Passenger seat belt (2021–2026) | 25A |
| 28 | Rescue and high-voltage system manual disconnection point (yellow label) (2021–2026) | 10A |
| 29 | Trailer detection control unit (2026) | 15A |
| 30 | ICAS3 control unit (2021–2026) | 25A |
| 31 | Trailer detection control unit (2026) | 25A |
| 32 | On-board network control unit (2021–2026) | 25A |
| 33 | USB 90W (2026) | 20A |
| 34 | Heating and air-conditioning control unit (2021–2026) | 15A |
| 36 | Fan (2021–2026) | 40A |
| 38 | Control unit for front seats with massage function (2021–2026) | 7.5A |
| 39 | Steering column control unit (2021–2025: 15A, 2026: 10A) | 15A / 10A |
| 40 | Alarm horn (2021–2026) | 7.5A |
| 41 | Diagnostics for the data bus (2021–2026) | 5A |
| 42 | Interior sound control unit (2026) | 5A |
| 43 | Relay R3_LVI / Vehicle interior temperature sensor / Vehicle interior carbon dioxide sensor (2021–2026) | 7.5A |
| 44 | Diagnosis / Power window control unit / Anti-theft alarm system sensor / Roof module (LINDA) / Air humidity, rain and light sensor / Warning light switch / Lighting control unit (LIAM) (2021–2026) | 7.5A |
| 45 | Steering column control unit (2021–2026) | 5A |
| 46 | Screen control unit / Front projection (head-up display) control unit (2021–2026) | 7.5A |
| 47 | Suspension control unit (DSTG) (2021–2026) | 10A |
| 48 | Rear USB (2021–2025) | 7.5A |
| 52 | 12V socket in luggage compartment (2021–2026) | 20A |
| 59 | Electrochromic mirror / Relay R1_LVI (2021–2026) | 7.5A |
| 60 | Diagnosis (2021–2026) | 7.5A |
| 61 | Inverter for rear axle drive motor (2021–2026) | 5A |
| 65 | Control unit for special vehicles KFG (2026) | 10A |
| 66 | Rear window wiper (2021–2026) | 15A |
| 67 | Rear window heating / Filter for frequency modulation (2021–2026) | 30A |
| SITR10 B-Rack Slot | Front right-hand seat adjustment control panel (2021–2026) | 15A |
| SITR2 A-Frame Slot | Front left-hand seat adjustment control panel (2021–2026) | 15A |
| SITR_KFG1 | Control unit for special vehicles KFG (2026) | 30A |
| SITR_KFG2 | Control unit for special vehicles KFG (2026) | 30A |
Engine Compartment Fuse Box
| № | Consumers | Amps |
|---|---|---|
| 2 | ABS control unit (2021–2026) | 7.5A |
| 3 | On-board charger / Power and control electronics for electric drive / Voltage transformer (2021–2022) | 10A |
| 3 | On-board charger / Power and control electronics for electric drive / Voltage transformer (2023–2026) | 15A |
| 4 | Front left LED headlight (2021–2026) | 30A |
| 5 | Front right LED headlight (2021–2026) | 30A |
| 6 | Distance control unit (MRR) (2021–2026) | 7.5A |
| 7 | Front right wiper motor (2022–2026) | 30A |
| 7 | Right front wiper motor (2021) | 30A |
| 9 | Horn relay (2021–2026) | 15A |
| 10 | Front left wiper motor (2021–2026) | 30A |
| 11 | Air conditioning relay (2021–2022) | 30A |
| 11 | Air conditioning relay (2023–2026) | 7.5A |
| 12 | Actuator 1 for engine sound generation (2021–2026) | 7.5A |
| 13 | ABS control unit (2021–2026) | 25A |
| 15 | ABS control unit (2021–2026) | 40A |
| 16 | Cooling fan (2021–2026) | 50A |
| 23 | Engine control unit (2021–2026) | 10A |
| 24 | Cooling fan (2021–2026) | 5A |
| 25 | High-voltage heating (PTC) / HV battery heating / Cooling pump for thermal management (2021–2022) | 10A |
| 25 | High-voltage heating (PTC) / HV battery heating / Cooling pump for thermal management (2023–2026) | 15A |
| 26 | Radiator shutter (Jalousie radiator) / Water pump (HV heater) (2021–2022) | 10A |
| 26 | Radiator shutter (Jalousie radiator) / Water pump (HV heater) (2023–2026) | 15A |
| 32 | Brake servo (2021–2026) | 50A |
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