Porsche Cayenne 2020 Fuse Box Info
Passenger compartment fuse box location:
The instrument panel fuse box A is located on the end of the instrument panel..
The instrument panel fuse box B is located in front left footwell (left-hand drive).
The instrument panel fuse box B is located in front left footwell (right-hand drive).
Luggage compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box A:
| Fuse/Relay N° | Functions |
| 2 | ETC toll system card reader |
| 3 | Center console switch module, instrument cluster, leveling system control unit, buttons for driver assistance systems |
| 4 | Head-up display |
| 5 | USB connection |
| 6 | Operator control unit in rear center console |
| 7 | Electric steering column lock |
| 8 | Central display |
| 9 | Instrument cluster |
| 10 | Operator control unit for multimedia system |
| 11 | Light switch |
| 12 | Steering column switch |
| 14 | PCM |
| 15 | Electric steering column lock |
| 16 | Steering wheel heating switch |
Passenger compartment fuse box B:
| Fuse/Relay N° | Functions |
| Fuse panel A (First panel, left, above LHD, First panel, above RHD) | |
| 2 | MAF sensor, crankcase heating, coolant circulation pump |
| 3 | Radiator shutter |
| 4 | Exhaust flaps, heating back-up pump, leakage diagnosis fuel tank |
| 5 | Brake light sensor |
| 6 | Engine valves |
| 7 | Oxygen sensors |
| 8 | Engine mount, thermal management valve |
| 9 | Motor relay |
| 10 | Thermal oil level sensor |
| 11 | Radiator shutter, accelerator pedal |
| 12 | Engine valves |
| 13 | Radiator fan |
| 14 | Injectors |
| 15 | Oxygen sensors |
| 16 | Fuel pump |
| Fuse panel B | |
| 1 | Ignition coils |
| 2 | Motor relay |
| 5 | Engine mounts |
| 6 | Front left reversible seat-belt pretensioner |
| 7 | Dashboard |
| 8 | Front right reversible seat-belt pretensioner |
| 9 | Front heater fan |
| 10 | Driver assistance control |
| 11 | Thermal management control unit - E-Hybrid, starter |
| 12 | Allwheel drive |
| Fuse panel C | |
| 1 | Front seat heating |
| 2 | Front left door control unit |
| 3 | Socket supply |
| 4 | Roof system |
| 5 | Additional lighting, left |
| 6 | Rear left door control unit |
| 7 | Windshield wiper |
| 8 | Rear right door control unit |
| 9 | Additional lighting, right |
| 10 | Headlight / windshield washer system |
| 11 | Air-conditioning control unit |
| 12 | Clutch actuator - E-Hybrid |
| Fuse panel D | |
| 1 | DIA_15 (mirror with automatic dimming,climate control panel, seat ventilation, A/C pressure sensor on diagnostic socket) |
| 2 | Parking sensors/control units |
| 3 | Sound system (E-Hybrid), exhaust system, structure-borne noise control, engine sound generator |
| 4 | Transmission valve |
| 5 | Starter relay, term. 15 supply for power electronics |
| 7 | Pedal module on E-Hybrid |
| 8 | Night View Assist, ionizer, eAWS, garage door opener |
| 9 | Adaptive cruise control (ACC), laser scanner |
| 10 | Allwheel drive, differential lock |
| 11 | Assistance system camera |
| 12 | Seat ventilation |
| 15 | Right headlight |
| 16 | Left headlight |
| Fuse panel E | |
| 1 | Alarm system |
| 4 | Transmission shift mechanism |
| 5 | Horn |
| 6 | Parking brake switch |
| 7 | Gateway control unit |
| 8 | Overhead console |
| 9 | Emergency call module, trailer hitch |
| 10 | Airbag control unit |
| 11 | ESC, ABS control unit |
| 12 | Diagnostic socket, light / rain sensor |
| 13 | Air conditioning system |
| 14 | Front right door control unit |
| 15 | Air-conditioning compressor |
| 16 | Smart actuator (E-Hybrid) |
Luggage compartment fuse box:
| Fuse/Relay N° | Functions |
| Fuse panel A (First panel, down) | |
| 1 | HV PTC, thermal management valves/sensors, radiator shutter (E-Hybrid) |
| 5 | Air suspension |
| 6 | Transmission control unit |
| 7 | Rear roll-up blind, closing aid, KESSY, filler flap |
| 8 | Rear seat heating (not for E-Hybrid) |
| 10 | Trailer hitch |
| 11 | Tailgate control unit |
| 12 | Rear blower regulator |
| Fuse panel B | |
| 1 | Left tail light |
| 3 | SCR heater, rear spoiler |
| 4 | Rear air-conditioning control panel |
| 5 | Trailer hitch (control unit) |
| 6 | Trailer hitch (pivot motor) |
| 7 | Trailer hitch (charging, electric release) |
| 9 | Trailer hitch (socket) |
| 10 | Differential lock |
| 12 | SCR heater (not for E-Hybrid) |
| Fuse panel C | |
| 1 | Assistance systems control unit |
| 2 | Cellphone coupling antenna/booster |
| 4 | Lane Change Assist |
| 5 | Entertainment system |
| 6 | Tire Pressure Monitoring System |
| 8 | Auxiliary heater radio receiver |
| 9 | DVD drive |
| 10 | TV tuner, RTM, VTS |
| 11 | Roof antenna (ParkAssist) |
| 12 | Garage door opener control unit |
| 13 | Surround View |
| 14 | Right tail light |
| 16 | Subwoofer |
| Fuse panel D | |
| 1 | eAWS |
| 2 | High-voltage battery |
| 3 | High-voltage battery water pump |
| 4 | Power electronics - E-Hybrid |
| 5 | Brake booster - E-Hybrid |
| 6 | Seat fans |
| 8 | Air-conditioning compressor - E-Hybrid |
| 9 | 48-volt system |
| 10 | High-voltage battery |
| 11 | Charger - E-Hybrid |
| 14 | Thermal management water pumps |
