Cupra Leon 2026 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located at the left side of the steering column at the bottom of the instrument panel behind the cover.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 3 | 25A | Trailer |
| 4 | 30A | SCR, Adblue® |
| 5 | 25A | Automatic gearbox lever |
| 6 | 30A | Interior light |
| 7 | 30A | Heated seats |
| 8 | 20A | Sunroof |
| 9 | 30A | Left door |
| 11 | 15A | Trailer |
| 12 | 40A | Right lights |
| 13 | 40A | Central locking |
| 14 | 30A | External Ethernet Amplifier |
| 16 | 7.5A | Airbag |
| 18 | 7.5A | KESSY |
| 19 | 7.5A | Instrument panel |
| 20 | 7.5A | Connectivity Box |
| 21 | 7.5A | Rear camera, IPA |
| 25 | 25A | Front seat belts RGS+EBSS left |
| 26 | 30A | Right door |
| 27 | 25A | Rear seat belts RGS+EBSS right |
| 28 | 15A | PHEV. Switching off the high voltage system for rescue tasks. Identified by a yellow label |
| 29 | 15A | Trailer |
| 30 | 30A | Radio |
| 31 | 25A | Trailer |
| 34 | 30A | 230V socket |
| 35 | 40A | Left lights |
| 36 | 40A | Air conditioner fan |
| 37 | 30A | Electric rear lid |
| 39 | 10A | Heated steering wheel |
| 40 | 7.5A | Alarm horn |
| 41 | 7.5A | Gateway |
| 42 | 7.5A | Automatic gearbox lever |
| 43 | 10A | Air conditioning and heating control panel, rear window heating, AA compressor |
| 44 | 7.5A | Diagnosis, handbrake switch, light switch, reverse light, interior lighting, lit-up door sill |
| 45 | 7.5A | Steering column |
| 46 | 7.5A | Radio display |
| 47 | 10A | Driving mode |
| 48 | 7.5A | USB |
| 52 | 20A | 12V socket |
| 58 | 7.5A | Parking sensors, park distance control unit, front camera, radar |
| 59 | 7.5A | Reverse switch, clima sensor, electrochromic mirror |
| 60 | 7.5A | Diagnosis |
| 61 | 7.5A | Starter motor; clutch sensor |
| 66 | 15A | Rear window wiper |
| 67 | 30A | Heated rear window |
| In-line fuse | ||
| 15A | Electric driver's seat | |
| 15A | Electric passenger seat |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 2 | 7.5A | Engine control unit |
| 3 | 10/20A | Charging unit, traction motor converter/engine ignition coils |
| 4 | 15A | Left headlight |
| 5 | 15A | Right headlight |
| 9 | 15A | Horn |
| 10 | 30A | Front windscreen washer |
| 11 | 7.5A | PHEV Climate |
| 12 | 15/30A | Automatic gearbox control unit |
| 13 | 25A | ESP control unit |
| 14 | 7.5A | PHEV |
| 16 | 50A | PHEV, Automatic gearbox unit |
| 17 | 40A | PTC |
| 18 | 40A | PTC |
| 20 | 15A | Front electronic differential |
| 21 | 7.5A | Engine control unit |
| 22 | 30A | Starter motor |
| 23 | 15A | Engine control unit (diesel/petrol) |
| 24 | 7.5/10/15A | Engine sensors |
| 25 | 10A | Engine sensors |
| 26 | 7.5/10/15A | Engine power supply |
| 27 | 10A | Lambda probe |
| 28 | 10/20A | Engine |
| 29 | 15/20/30A | Fuel pump control unit |
| 30 | 10A | Coolant circulation pumps, fuel shut-off valve |
| 33 | 40A | PTC |
