Fuses and relays Skoda Octavia (A7; 2013-2020)

Strict exterior, redesigned engine lineup, improved quality of interior materials - despite all this, Octavia of the third generation still remains a very practical, one can say, a family car. In this article we will understand in detail fuse box diagrams Skoda Octavia (3rd generation / codename A7) 2013, 2014, 2015, 2016 and restyling 2017, 2018, 2019, 2020 years of manufacture.

Here you will find the locations and photos of the mounting blocks. Also, we will separately mark the fuses responsible for the cigarette lighter and the fuel pump.

In the engine compartment

The fuses are located on the right side of the underhood behind the protective cover. To access them, simultaneously engage the two catches (1) and pull the cover upwards.

Access example.

2013 - 2016 model year

Description of the fuses in the underhood compartment block.

No. Description A
F1 device control unit 20
automatic transmission with automatic distance control 40
F2 ABS system 40
F3 Engine ECU (petrol) 20
Engine ECU (diesel) 30
F4 Engine electronics, low heat output relay, high heat output relay (for diesel engines) 5
engine electronics (petrol) 10
F5 ignition switch off relay, engine electronics 10
F6 brake pedal switch 5
F7 coolant shut-off valve , coolant control valve (CJSA, CJSB, CHHB engines) 5
engine electronics (engines CJZB, CJZA, CUPA, CLHB, CLHA, CRVC, CKFC, CUPA) 10
F8 lambda probe, lambda probe after catalytic converter (engines CJZB, CJZA, CLHB, CLHA, CKFC, CUPA) 10
lambda probe, lambda probe after catalytic converter (CUPA, CJSA, CJSB, CHHB engines) 15
F9 glow timing control unit, heating resistance of the engine crankcase sump ventilation {for diesel engines) 5
engine electronics (for engines CJSA, CJSB, SNNV) 10
ignition (for engines CJZB, CJZA, SIRA) 20
F10 Skoda octavia a7 fuel pump fuse (for gasoline engines) 15
  fuel pump control module (for diesel engines) 20
F11 heating element of additional air heater 40
F12 40
F13 mechatronic control system with double clutch control (in vehicles with 0D9 transmission) 15
mechatronic transmission with double clutch transmission (in vehicles with OCW transmission) 30
F14 windshield heating relay 30
F15 Horn (beep) 20
F16 ignition switch 20
F17 main relay, engine control unit, ABS control module 7.5
F18 diagnostics of the information bus interface (for vehicles without independent heating/no start-stop system), battery control and monitoring unit (for vehicles with independent heating/start-stop system) 5
F19 Wiper Motor Control Module 30
F20 anti-theft alarm horn 10
F21 ABS brake control module 20
F22 Engine ECU 5
F23 starter 30
F24 heating element of additional air heater 40
F25 No  
F26 No  
F27 No  
F28 No  
F29 No  
F30 No  
F31 brake vacuum pump 15
F32 No  
F33 No  
F34 windshield heating relay 2 30
F35 No  
F36 No  
F37 Additional heater control module 20
F38 No  
R1 Start relay 1
R2 Start relay 2
R3 Horn relay
R4 Relay for large heat output
R5 Main relay

2017 - 2020 model year

Underhood fuse box description for restyled 2017-2020 model years.

No. Purpose of fuses
1 ESC, ABS, parking brake
3 Engine management system
4 Radiator fan, oil temperature sensor, air flow meter, fuel pressure regulator, electric auxiliary heater, oil pressure regulator, exhaust gas recirculation valve, preheating system, SCR (AdBlue®)
5 Ignition, CNG relay coil, injectors, fuel metering valve
6 Brake system pressure sensor
7 Coolant pump, radiator louvers, oil pressure regulator, control oil pressure regulator, heater
8 crankcase ventilation
9 Lambda probe
10 Ignition, exhaust flap
11 Fuel pump fuse, ignition
12 Additional electric heater
14 Heated Windshield - Left
15 Heated windshield - right
16 Sound signal (horn)
17 Ignition, fuel pump, CNG relay
18 ABS, ESC, engine control unit, heated windscreen relay
19 Data bus, battery data module
20 Windshield wiper
21 Anti-theft alarm
22 Automatic transmission
23 Engine management system
24 Starter
25 Additional electric heater
26 Spare
27 Spare
28 Spare
29 Spare
30 Spare
31 Spare
32 Brake vacuum pump
33 Spare
34 Automatic transmission oil pump
35 Front axle differential between wheels
36 Spare
37 Spare
38 Heater
39 Spare

In the passenger compartment

Left-hand drive models: located behind the glove box on the driver's side.

Right-hand drive models: located behind the glove box on the passenger side.

Access example.

General view of the Skoda Octavia fuse box.

2013 - 2016 model year

Fuse block diagram in the passenger compartment.

No. Decoding A
F1 Spare -
F2 Spare -
F3 Spare -
F4 Spare -
F5 diagnostics of the data bus interface 5
  • sensor of the interior surveillance device,,
  • tilt sensor
F7 rear window heater relay, heater, air conditioner, climate control system, preselector sensors, front window heater, independent heater radio receiver 10
F8 plug connection, 16-pin on socket for diagnostic installation, air humidity sensor, rain and light sensor , headlamp light switch 10
F9 Four-wheel drive 15
F10 Multimedia system 10
F11 Heated rear seats 25
F12 Information electronics 20
F13 Front left seat belt switch 25
F14 Fan for fresh air intake 30
F15 Electronic steering column lock 10
F16 Telephone 7.5
Mobile radio signal amplifier 5
F17 Instrument cluster 5
F18 Reserve  
F19 Access interface and trigger systems 7.5
F20 Steering column electronics 5
F21 Reserve  
F22 Rear trunk control module 30
F23 On-board electrical system control module 40
F24 Tilt roof control module 30
F25 Door control module, driver's side, rear left power window motor 30
F26 On-board electrical control module (with seat heating system) 25
F27 Digital audio control module 30
F28 Trailer detection control module 20
F29 Reserve  
F30 Reserve  
F31 On-board electrical system control module 40
F32 Parktronic, park assistant control unit 7.5
F33 Airbag system disconnection indicator on the front passenger side, Airbag system control module 5
F34 headlight switch -E1-, reversing light switch -F4-, cooling circuit pressure sensor, rear seat heating control unit, interior rear view mirror with automatic dimming, inverter with 12 V -230 V socket, cell phone preparation, load relay 7.5
F35 plug-in connection, 16-pin, on the diagnostic socket headlamp angle control, headlamp angle adjustment servomotor, turn signal lamp control unit and headlamp angle adjustment, driver auxiliary systems front camera 10
F36 right headlight module 10
F37 left headlight module 10
F38 Trailer detection control module 20
F39 Passenger Door Control Module, Rear Right Power Window Motor 30
F40 Skoda octavia a7 cigarette lighter fuse,
12 V power outlet
F41 Reserve  
F42 On-board electrical system control module 40
F43 30
F44 Trailer detection control module 30
F45 driver's seat regulator thermal fuse 30
F46 inverter with socket, 12V-230V 30
F47 rear window wiper motor 15
F48 Reserve  
F49 starter relay 1 and 2, clutch pedal position sensor 5
F50 Reserve  
F51 Front right seat belt tensioner control module 25
F52 Reserve  
F53 heated rear window 30
Rel4 Supply relay connector 15
Rel5 Rear window heater relay
Rel6 Load relay

2017 - 2020 model year

Description for 2017 - 2020 restyled vehicles.

No. Fuse decoding
1 Spare
2 Spare
3 Spare
4 Heated steering wheel
5 Data bus
6 Alarm sensor
7 Climate control system, heater, remote control receiver for autonomous heater, automatic transmission, rear window heater relay, ignition key removal interlock (vehicles with automatic transmission)
8 Light switch, rain sensor, diagnostic connector, mood lighting, front headlight control unit
9 Four-wheel drive
10 Infotainment display
11 Lighting on the left
12 Infotainment system
13 Driver's seat belt pretensioner
14 Air conditioner and heater fan
15 Electric steering column adjustment
16 Phonebox, wireless phone charging
17 Instrument cluster, emergency call
18 Rear View Camera
19 KESSY system
20 Thumbwheel switch
21 Adaptive shock absorbers
22 Trailer coupling
23 Lift-and-slide hatch
24 Headlights on the right
25 Central locking: front left door, power window on the left, left exterior rear view mirror: heated, mirror folding function, mirror element position adjustment
26 Heated front seats
27 Interior lighting
28 Trailer coupling
29 SCR system (AdBlue®)
30 Heated rear seats
31 Spare
32 Parking assistance system, parking assist steering assist
33 Airbag, emergency warning light switch
34 ASR, ESC, tire pressure monitoring system, climate control, reversing light switch, automatic dimming door mirrors, START/STOP system, heated rear seats, symposer
35 Headlight corrector, diagnostic connector, sensor (camera) behind the windshield, radar sensor
36 Right headlight
37 Left headlight
38 Trailer coupling
39 Central locking: front right door, power window on the right, right exterior rear view mirror: heated, mirror folding function, mirror element position adjustment
40 12V sockets (Octavia cigarette lighter fuse)
41 Front passenger seat belt tensioner
42 Central locking: rear doors, headlight washer, window washer
43 Audio amplifier
44 Trailer coupling
45 Electric seat adjustment systems
46 230 V sockets
47 Rear window wiper
48 Blind Spot Assistant
49 Engine start, clutch pedal switch
50 Opening the luggage compartment lid
51 SCR system (AdBlue®)
52 USB socket
53 Heated rear window
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