Table of Contents
This article provides a detailed overview of the fuse box diagrams for the Volkswagen Polo (Sixth generation; chassis code AW; MQB A0 platform): 2017, 2018, 2019, 2020, 2021, 2022, 2023, and 2024 model years.
Fuses No. 55 and No. 51 in the passenger compartment fuse box protect the electrical circuits for the cigarette lighter sockets and USB ports.
In the engine compartment
Fuse box
Located on the left side of the engine compartment. Remove the protective cover to gain access.
Type 1 (2017–2020)
For vehicles produced in 2017, 2018, 2019, and 2020.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Rating, A |
| 1 | Engine control unit (ECU) | 10 / 15 / 30 |
| 2 | Fuel pressure control valve | 7.5 / 10 |
| 1.6L diesel: Charge air cooling pump, oil pressure control valve, cylinder head coolant valve, high-temperature circuit coolant pump | ||
| 2.0L petrol: Low fuel pressure sensor, camshaft timing valve 1, exhaust camshaft timing valve 1, auxiliary coolant pump | ||
| 3 | Oxygen sensor 1 before catalytic converter / Oxygen sensor 1 after catalytic converter | 15 |
| 1.6L diesel: NOx sensor control unit 1 and 2 | ||
| 4 | Forced-induction petrol engines: Fuel pump control unit; Naturally aspirated petrol engines: Fuel pump relay; Engine component power supply relay |
15 |
| 5 | All: Evaporative emission (EVAP) canister purge solenoid valve 1, camshaft timing valve 1, intake camshaft timing valve 1, boost pressure control solenoid valve, CNG mode high-pressure valve (turbocharged) Petrol engines: Radiator fan, exhaust camshaft timing valve 1, oil pressure control valve; 2.0L petrol, 1.6L diesel: Oil level and oil temperature sensor; 2.0L petrol: Turbocharger divert valve, piston cooling jet switch valve, intake manifold flap control valve |
7.5 / 10 / 15 |
| 6 | Ignition coils 1–3 with output stage, automatic glow plug control unit 1.6L diesel: Crankcase ventilation heating element |
20 / 7.5 |
| 7 | Transmission coolant valve; 2.0L petrol: Brake booster vacuum pump, coolant shut-off valve |
15 / 10 |
| 8 | Naturally aspirated petrol engines: Fuel pump relay, fuel injectors (cylinders 1–3) Natural gas (CNG) engines: CNG injection valve 1–3 2.0L petrol: Exhaust valve cam drive actuators A and B (cylinders 1–4), fuel injector 2 (cylinders 1–4) |
10 |
| 9 | Brake light switch | 7.5 |
| 10 | Data bus diagnostic interface, battery monitoring control unit, body control module (BCM) | 7.5 |
| 11 | Auxiliary hydraulic pump 1 for transmission fluid | 30 |
| 12 | A/C compressor magnetic clutch relay | 10 |
| 13 | Empty | - |
| 14 | Main relay, ABS control unit, engine control unit (ECU) | 7.5 |
| 15 | Dual-clutch transmission mechatronic unit | 30 / 15 |
| 16 | Empty | - |
| 17 | Engine control unit (ECU) | 7.5 |
| 18 | Starter motor | 30 |
| 19 | Empty | - |
| 20 | ABS control unit | 40 / 60 |
| 21 | ABS control unit | 25 |
| 22 | Empty | - |
| 23 | Empty | - |
| 24 | Radiator fan thermal switch | 30 |
| 25 | 1.6L diesel: Auxiliary air heater element; Naturally aspirated petrol engines: Radiator fan |
20 / 40 |
| 26 | Forced-induction petrol engines: Radiator fan | 50 |
| 27 |
|
30 / 40 |
| 28 | 1.6L diesel: Auxiliary air heater element | 40 |
| 29 | Empty | - |
| R1 |
|
|
| R2 | A/C compressor magnetic clutch relay | |
| R3 | Starter relay 2 | |
| R4 | Vacuum pump relay (1.5L petrol) | |
| R5 | Starter relay 1 | |
| R6 |
|
|
| R7 |
|
|
| R8 | Low-heat output auxiliary heater relay (diesel) Radiator fan relay (petrol) |
|
| R9 | Automatic glow plug control unit (diesel) | |
| R1 | Empty | |
Type 2 (2021–2024)
For 2021, 2022, 2023, and 2024 model year vehicles.
| Diagram | ||
|---|---|---|
|
|
||
| No. | Description | Rating, A |
| 1 | Engine control unit (ECU) | 10 / 15 |
| 2 | Fuel pressure control valve; 2.0L / 1.5L petrol: Auxiliary coolant pump; 1.0L / 1.5L petrol: Charge air cooling pump; 2.0L petrol: EVAP canister purge solenoid valve 1, low fuel pressure sensor, camshaft timing valve 1, exhaust camshaft timing valve; 1.0L petrol: Fuel metering valve, oil pressure control valve |
7.5 / 10 |
| 3 | Oxygen sensor 1 before catalytic converter / Oxygen sensor 1 after catalytic converter | 15 |
| 4 | Forced-induction petrol engines: Fuel pump control unit; Naturally aspirated petrol engines: Fuel pump relay; Engine component power supply relay |
15 |
| 5 | EVAP canister purge solenoid valve 1, camshaft timing valve 1, high-pressure valve for CNG mode, intake timing valve 1
Turbocharged petrol engines: Radiator fan, exhaust camshaft timing valve 1; |
10 |
| 6 | Ignition coils 1–3 with output stage -N70- | 20 |
| 7 | Turbocharged petrol engines: Brake booster vacuum pump; 2.0L petrol: Transmission coolant valve, coolant shut-off valve |
10 / 15 |
| 8 | 2.0L petrol: Engine component power supply relay, fuel injector 2 (cylinders 1–4), exhaust camshaft actuator A (cylinders 1–4), exhaust camshaft actuator B (cylinders 1–4); Naturally aspirated petrol engines: Fuel injectors (cylinders 1–4); Natural gas (CNG) engines: CNG injection valve |
10 |
| 9 | Brake light switch | 7.5 |
| 10 | Data bus diagnostic interface / Body control module (BCM) / Battery monitoring control unit | 7.5 |
| 11 | Auxiliary hydraulic pump 1 for transmission fluid | 30 |
| 12 | A/C compressor magnetic clutch relay | 10 |
| 13 | Empty | - |
| 14 | Main relay / ABS control unit / Engine control unit (ECU) | 7.5 |
| 15 | Dual-clutch transmission mechatronic unit | 30 / 15 |
| 16 | Empty | - |
| 17 | Engine control unit (ECU) | 7.5 |
| 18 | Starter motor | 30 |
| 19 | Empty | - |
| 20 | ABS control unit | 60 |
| 21 | Interference suppression filter / ABS control unit | 25 |
| 22 | Empty | - |
| 23 | Empty | - |
| 24 | Radiator fan thermal switch | 30 |
| 25 | Naturally aspirated petrol engines: Radiator fan | 20 |
| 26 | Turbocharged petrol engines: Radiator fan | 50 |
| 27 | Naturally aspirated petrol engines: Radiator fan | 30 |
| 28 | Empty | - |
| 29 | Empty | - |
| R1 | Engine component power supply relay (2.0L petrol) Fuel pump relay |
|
| R2 | A/C compressor magnetic clutch relay | |
| R3 | Starter relay 2 | |
| R4 | Vacuum pump relay (1.5L petrol) | |
| R5 | Starter relay 1 | |
| R6 | Terminal 30 power supply relay (diesel) Main relay (petrol) |
|
| R7 | High-heat output auxiliary heater relay (diesel) Radiator fan stage 2 relay (petrol) |
|
| R8 | Low-heat output auxiliary heater relay (diesel) Radiator fan relay (petrol) |
|
| R9 | Automatic glow plug control unit (diesel) | |
| R1 | Empty | |
High-current fuse links
This fuse block is located on the battery.
Description:
- 508 - Battery -A-;
- SA1 - Starter B; Generator with voltage regulator -CX1- 250A / 350A;
- SA2 - Spare 80A;
- SA3 - Main relay -J271- / Starter relay 1 -J906- / Radiator fan stage 2 relay -J101- / Radiator fan relay -J26- / Fuse holder B -SB- 150A;
- SA4 - Fuse holder C -SC- 80A;
- SA5 - Terminal 15 power supply relay -J329- / Fuse holder C -SC- / Terminal 75x power supply relay -J694- 125A;
- SA6 - Power steering control unit -J500- 80A.
In the passenger compartment
The passenger compartment fuse and relay box is located behind the dashboard trim on the driver's side.
General view.
Type 1 (2017–2020)
For vehicles produced in 2017, 2018, 2019, and 2020.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Rating, A |
| 1 | Towing recognition control unit | 20 |
| 2 | Empty | - |
| 3 | Audio amplifier | 30 |
| 4 | Empty | |
| 5 | Sunroof control unit | 30 |
| 6 | Body control module (BCM) | 40 |
| 7 | Empty | - |
| 8 | Blower motor control unit | 30 |
| 9 | Empty | - |
| 10 | Towing recognition control unit | 20 |
| 11 | Gas shut-off valve relay (CNG engines) | 7.5 |
| 12 | Front right seat belt tensioner (RHD) / Front left seat belt tensioner (LHD) | 7.5 / 15 |
| 13 | Rotary light switch / OBD2 diagnostic socket / Rain and light sensor / Steering column electronics control unit | 7.5 |
| 14 | Steering column electronics control unit | 10 |
| 15 | Emergency call module and communication unit / Instrument cluster | 7.5 |
| 16 | Body control module (BCM) | 40 |
| 17 | Rear right door control unit / Driver door control unit (RHD) or front passenger door control unit (LHD) | 30 |
| 18 | Body control module (BCM) | 30 |
| 19 | Information electronics control unit 1 | 25 |
| 20 | Body control module (BCM) | 30 |
| 21 | Reducing agent heater control unit (AdBlue) | 30 |
| 22 | Empty | - |
| 23 | Tailgate release switch / Tailgate handle | 7.5 |
| 24 | USB hub / Storage compartment with mobile phone interface / Smart card reader control unit / Mobile phone signal amplifier / CD player / TV tuner / Infotainment display unit | 5 |
| 25 | Steering column electronics control unit | 7.5 |
| 26 | Data bus diagnostic interface (Gateway) | 7.5 |
| 27 | Electronic damping control unit | 7.5 |
| 28 | Anti-theft alarm sensor | 7.5 |
| 29 | Anti-theft alarm horn | 7.5 |
| 30 | Front right seat belt tensioner (LHD) or Front left seat belt tensioner (RHD) | 7.5 / 15 |
| 31 | HVAC control module | 7.5 / 15 |
| 32 | Ignition switch / Steering column electronics control unit | 7.5 |
| 33 | Rear left door control unit / Driver door control unit (LHD) or front passenger door control unit (RHD) | 30 |
| 34 | Empty | |
| 35 | Body control module (BCM) | 40 |
| 36 | Body control module (BCM) | 20 |
| 37 | Heated seat control unit | 30 |
| 38 | Body control module (BCM) | 30 |
| 39 | Driver assistance front camera / Park Assist control unit / Adaptive Cruise Control (ACC) module / Blind Spot Monitor control unit | 10 / 7.5 |
| 40 | Center console switch module 1 / OBD2 diagnostic socket / Steering column electronics control unit / Rotary light switch / Halogen headlights / Headlight range control / Reversing light switch / Auto-dimming interior rearview mirror | 7.5 |
| 41 | Power mirror adjustment switch | 7.5 |
| 42 | Starter relay / Refrigerant pressure sensor 2.0L petrol: Structure-borne sound control unit Manual transmission: Clutch pedal position sensor CNG engines: Gas shut-off valve relay |
7.5 |
| 43 | Heated windshield washer nozzles / Rear window wiper motor / Washer pump relay | 15 |
| 44 | Front passenger airbag deactivated indicator lamp / Airbag control unit | 7.5 |
| 45 | Front left LED headlight | 7.5 |
| 46 | Front right LED headlight | 7.5 |
| 47 | Empty | - |
| 48 | Keyless entry and start system interface / Electronic steering column lock control unit | 7.5 |
| 49 | Reducing agent metering system relay (AdBlue) | 7.5 |
| 50 | Empty | - |
| 51 | USB charging port 1 | 7.5 |
| 52 | Empty | - |
| 53 | Gear selector lever / Ignition key removal interlock solenoid | 7.5 |
| 54 | Empty | - |
| 55 | Cigarette lighter fuse | 20 |
| 56 | HVAC control module | 30 |
| 57 | Empty | |
| 58 | Windshield and rear window washer pump | 7.5 |
| 59 | Body control module (BCM) | 10 |
| 63 | Towing recognition control unit | 30 |
| 61 | Towing recognition control unit | 30 |
| R1 | Gas shut-off valve relay (CNG engines) Reducing agent metering system relay (diesel) |
|
| R2 | Washer pump relay | |
| R3 | Terminal 15 power supply relay | |
| R4 | Terminal 75x power supply relay | |
| R5 | Empty | |
| R6 | Empty | |
Type 2 (2021–2024)
For 2021, 2022, 2023, and 2024 model year vehicles.
| Diagram | ||
|---|---|---|
|
|
||
| No. | Description | Rating, A |
| 1 | Towing recognition control unit | 20 |
| 2 | Empty | - |
| 3 | Audio amplifier | 30 |
| 4 | Empty | - |
| 5 | Sliding sunroof control unit | 30 |
| 6 | Body control module (BCM) | 40 |
| 7 | Empty | - |
| 8 | Blower motor control unit | 30 |
| 9 | Empty | - |
| 10 | Towing recognition control unit | 25 |
| 11 | Gas shut-off valve relay (CNG engines) | 7.5 |
| 12 | Front right seat belt tensioner (RHD) or Front left seat belt tensioner (LHD) | 15 |
| 13 | Steering column electronics control unit / Rotary light switch / OBD2 diagnostic socket / Rain and light sensor | 7.5 |
| 14 | Steering column electronics control unit | 10 |
| 15 | Instrument cluster / Emergency call and communication module control unit | 7.5 |
| 16 | Body control module (BCM) | 40 |
| 17 |
|
30 |
| 18 | Body control module (BCM) | 30 |
| 19 | Information electronics control unit 1 | 25 |
| 20 | Body control module (BCM) | 30 |
| 21 | Empty | - |
| 22 | Empty | - |
| 23 | Tailgate handle switch | 7.5 |
| 24 | Infotainment display unit / CD player / TV tuner / Mobile phone signal amplifier / USB hub / Mobile phone cradle / Smart card reader control unit | 5 |
| 25 | Steering column electronics control unit | 7.5 |
| 26 | Data bus diagnostic interface (Gateway) | 7.5 |
| 27 | Electronic damping control unit | 7.5 |
| 28 | Anti-theft alarm sensor | 7.5 |
| 29 | Anti-theft alarm horn | 7.5 |
| 30 | Front right seat belt tensioner (LHD) or Front left seat belt tensioner (RHD) | 15 |
| 31 | HVAC control module | 7.5 / 15 |
| 32 | Ignition switch, Steering column electronics control unit | 7.5 |
| 33 | LHD: Driver door control unit, rear driver door control unit RHD: Front passenger door control unit, rear passenger door control unit |
30 |
| 34 | Empty | - |
| 35 | Body control module (BCM) | 40 |
| 36 | Body control module (BCM) | 20 |
| 37 | Heated seat control unit | 30 |
| 38 | Body control module (BCM) | 30 |
| 39 | Blind Spot Monitor control unit / Park Assist control unit / Driver assistance systems front camera / Adaptive Cruise Control (ACC) module | 7.5 |
| 40 | Reversing light switch / Auto-dimming interior rearview mirror / Halogen headlights / Steering column electronics control unit / Rotary light switch / OBD2 diagnostic socket / Headlight range control / Center console switch module 1 | 7.5 |
| 41 | Power mirror adjustment switch | 7.5 |
| 42 | Starter relay / Refrigerant pressure sensor / Structure-borne sound control unit Manual transmission vehicles: Clutch pedal position sensor CNG engines: Gas shut-off valve relay |
7.5 |
| 43 | Rear window wiper motor / Heated windshield washer nozzles / Washer pump relay | 15 |
| 44 | Front passenger airbag deactivated indicator lamp / Airbag control unit | 7.5 |
| 45 | Empty | - |
| 46 | Empty | - |
| 47 | Empty | - |
| 48 | Keyless entry and start system interface / Electronic steering column lock control unit | 7.5 |
| 49 | Empty | - |
| 50 | Empty | - |
| 51 | USB charging port 1 | 7.5 |
| 52 | Front right LED headlight | 15 |
| 53 | Ignition key removal interlock solenoid / Gear selector mechanism | 7.5 |
| 54 | Front left LED headlight | 15 |
| 55 | Fuse 51 in fuse holder C (USB charging port 1) / Cigarette lighter socket | 20 |
| 56 | HVAC control module | 30 |
| 57 | Empty | |
| 58 | Windshield and rear window washer pump | 7.5 |
| 59 | Body control module (BCM) | 10 |
| 60 | Towing recognition control unit | 30 |
| 61 | Towing recognition control unit | 30 |
| R1 |
|
|
| R2 | Washer pump relay | |
| R3 | Terminal 15 power supply relay | |
| R4 | Terminal 75x power supply relay | |
| R5 | Empty | |
| R6 | Empty | |
My WV polo tsi 2019 model does not light on both dipped beam front lights. What might be the problem.