Fuses and relays Volkswagen Polo 6 (AW; 2017 - 2024)

This article provides a detailed overview of the fuse diagrams for the Volkswagen Polo (sixth generation; index 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 unit are responsible for protecting the electrical circuits of cigarette lighter sockets and USB connectors.

In the engine compartment

Fuse box

Located on the left side of the engine compartment. To access it, remove the protective cover.

Type 1 (2017-2020)

For cars produced in 2017, 2018, 2019, 2020.

Diagram
No.	Description	Current, A
1	The engine control unit	10 / 15 / 30
2	Fuel Pressure Regulating Valve	7.5 / 10
	1.6 l diesel: Charge air cooling pump, Oil pressure regulating valve, Cylinder head coolant valve, High temperature circuit coolant pump
	gasoline 2.0 l: Low fuel pressure sensor, Camshaft control valve 1, Exhaust camshaft control valve 1, Auxiliary heating pump
3	Lambda probe 1 before the catalyst and Lambda probe 1 after the catalyst	15
	diesel 1.6 l: Control unit 1 and 2 NOx sensors
4	gasoline engine with forced induction: fuel pump control unit; petrol engine with no forced induction: fuel pump relay; Engine Component Power Relay	15
5	All: Activated carbon filter solenoid valve 1, Camshaft control valve 1, Intake camshaft control valve 1, Boost pressure control solenoid, Gas mode high pressure valve Supercharged petrol engine: Radiator fan, Exhaust camshaft control valve 1, Pressure control valve oils; petrol 2.0 l, diesel 1.6 l: Oil level and temperature sensor; 2.0 l petrol: Turbocharger air recirculation valve, Piston cooling jet control valve, Intake manifold flap	7.5 / 10 / 15
6	Ignition coils 1-3 with output stage, Automatic heating period control unit 1.6 l diesel: Crankcase ventilation heating element (1.6 l diesel)	20 / 7.5
7	Transmission coolant valve; petrol 2.0 l: Brake vacuum pump, coolant shut-off valve	15 / 10
8	petrol engine with no forced induction: Fuel pump relay, Injectors, cylinders 1–3 natural gas engine: Gas injection valve 1–3 2.0 l petrol: Exhaust valve cam drive A and B for cylinders 1–4, Injector 2, cylinders 1–4	10
9	Brake light switch	7.5
10	Data bus diagnostic interface, Battery monitor control unit, On-board power supply control unit	7.5
11	Auxiliary hydraulic pump 1 for transmission oil	30
12	Magnetic clutch relay	10
13	Empty	-
14	Main relay, ABS control unit, Engine control unit	7.5
15	Mechatronic dual clutch transmission	30 / 15
16	Empty	-
17	The engine control unit	7.5
18	Starter	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	diesel 1.6 l: Additional air heating element; petrol engine with no forced induction: Radiator fan	20 / 40
26	petrol engine with forced induction: Radiator fan	50
27	diesel 1.6 l: Additional air heating element petrol engine with no forced induction: Radiator fan (for naturally aspirated petrol engines)	30 / 40
28	diesel 1.6 l : Additional air heater element	40
29	Empty	-
R1	Power relay for engine components (petrol 2.0 l); Fuel pump relay Volkswagen Polo 6 (petrol)
R2	A/C compressor magnetic clutch relay
R3	Starter relay 2
R4	gasoline 1.5 l - Vacuum pump relay
R5	Starter relay 1
R6	Voltage supply relay to terminal 30 (diesel) ​Main relay (petrol)
R7	Heater Relay - High Thermal Power (Diesel) Radiator fan 2nd speed relay (petrol)
R8	Heater Relay - Low Power (Diesel) Radiator Fan Relay (Petrol)
R9	Automatic control unit for glow plugs (diesel)
R1	Empty

Type 2 (2021-2024)

For cars 2021, 2022, 2023, 2024 model years.

Diagram
No.	Description	Current, A
1	The engine control unit	10 / 15
2	Fuel pressure control valve; 2.0 l petrol, 1.5 l petrol: Auxiliary heating pump; 1.0 l petrol, 1.5 l petrol: Charge air cooling pump; 2.0 L petrol: Activated carbon filter solenoid valve 1, Low fuel pressure sensor, Camshaft control valve 1, Exhaust camshaft control valve; gasoline 1.0 l: Fuel metering valve, Oil pressure regulating valve	7.5 / 10
3	Lambda probe 1 before the catalyst / Lambda probe 1 after the catalyst	15
4	gasoline engine with forced induction: fuel pump control unit; petrol engine with no forced induction: fuel pump relay; Engine Component Power Relay	15
5	Activated carbon filter solenoid valve 1, Camshaft control valve 1, High pressure valve for gas mode, Intake control valve 1 supercharged petrol engines:  Radiator fan, Exhaust camshaft control valve 1 supercharged engine, 2.0 l petrol: Oil pressure control valve; petrol 2.0 l: Turbocharger air recirculation valve, Intake manifold flap; 2.0 l petrol, 1.0 l petrol: Piston cooling jet control valve; 1.5 l gasoline: Intake cam drive of cylinder 2, Exhaust cam drive of cylinder 2, Intake cam drive of cylinder 3, Exhaust cam drive of cylinder 3; 2.0 l petrol, 1.0 l petrol, 1.5 l petrol: Oil level and temperature sensor	10
6	Ignition coils 1-3 with output stage -N70-	20
7	supercharged petrol engines:  Brake vacuum pump petrol 2.0 l: Transmission coolant valve, Coolant shut-off valve	10 / 15
8	2.0L petrol: Engine component supply relay, Injector 2, cylinders 1-4, Exhaust camshaft Actuator A for cylinders 1-4, Exhaust cam drive B for cylinders 1-4 petrol engines with no forced induction: Injectors, cylinders 1 –4 natural gas engine: Gas injection valve	10
9	Brake light switch	7.5
10	Data bus diagnostic interface / On-board power supply control unit / Battery monitor control unit	7.5
11	Auxiliary hydraulic pump 1 for transmission oil	30
12	Magnetic clutch relay	10
13	Empty	-
14	Main Relay / ABS Control Module / Engine Control Module	7.5
15	Mechatronic dual clutch transmission	30 / 15
16	Empty	-
17	The engine control unit	7.5
18	Starter	30
19	Empty	-
20	ABS control unit	60
21	Noise 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	supercharged petrol engines: Radiator fan	50
27	naturally aspirated petrol engines: Radiator fan	30
28	Empty	-
29	Empty	-
R1	Engine component power relay (petrol 2.0 l) Volkswagen Polo 6 fuel pump relay
R2	Magnetic clutch relay
R3	Starter relay 2
R4	Vacuum pump relay (petrol 1.5 l)
R5	Starter relay 1
R6	Voltage supply relay to terminal 30 (diesel) Main relay (petrol)
R7	High thermal power relay (diesel) Radiator fan 2nd speed relay (petrol)
R8	Low heat output relay (diesel) Radiator fan relay (petrol)
R9	Automatic control unit for glow plugs (diesel)
R1	Empty

Power fuse links

This panel is located on the battery.

Description:

• 508 - Battery -A-;
• SA1 - Starter B; Generator with voltage regulator -CX1- 250A / 350A;
• SA2 - Reserve 80A;
• SA3 - Main relay -J271- / Starter relay 1 -J906- / Radiator fan 2nd speed relay -J101- / Radiator fan relay -J26- / Fuse holder B -SB- 150A;
• SA4 - Fuse holder C -SC- 80A;
• SA5 - Terminal 15 voltage supply relay -J329- / Fuse holder C -SC- / Terminal 75x voltage supply relay -J694- 125A;
• SA6 - Power steering control unit -J500- 80A.

In the passenger compartment

The fuse and relay box is located behind the dashboard trim of the Volkswagen Polo on the driver's side.

General view.

Type 1 (2017-2020)

For cars produced in 2017, 2018, 2019, 2020.

Diagram
No.	Description	Current, A
1	Trailer detector control unit	20
2	Empty	-
3	Amplifier	30
4	Empty
5	Sunroof adjustment control unit	30
6	On-board network control unit	40
7	Empty	-
8	Supply air fan control unit	30
9	Empty	-
10	Trailer detector control unit	20
11	Gas shut-off valve relay (with gas engine)	7.5
12	Front right seat belt (right-hand drive) / Front left seat belt (left-hand drive)	7.5 / 15
13	Rotary light switch / Diagnostic connector / Rain and light sensor / Steering column electronics control unit	7.5
14	Steering column electronics control unit	10
15	Emergency call module control and communication unit / Instrument panel combination	7.5
16	On-board network control unit	40
17	Rear right door control unit / Driver's door control unit (right-hand drive) or front passenger door control unit (left-hand drive)	30
18	On-board network control unit	30
19	Information electronics control unit 1	25
20	On-board network control unit	30
21	Reductant heater control unit	30
22	Empty	-
23	Back Cover Handle Release Button / Back Cover Handle	7.5
24	USB hub / Storage compartment with mobile phone interface / Chip card reader control unit / Transmission stabilization control unit / CD player / TV tuner / Front panel display unit	5
25	Steering column electronics control unit	7.5
26	Data bus diagnostic interface	7.5
27	Electronically controlled damping control unit	7.5
28	Anti-theft alarm sensor	7.5
29	Anti-theft alarm sound	7.5
30	Front Right Seat Belt (Left Hand Drive) or Front Left Seat Belt (Right Hand Drive)	7.5 / 15
31	Heating and air conditioning control	7.5 / 15
32	Ignition/starter switch; Steering column electronics control unit	7.5
33	Rear left door control unit / Driver's door control unit (left-hand steering wheel) or front passenger door control unit (right-hand steering wheel)	30
34	Empty
35	On-board network control unit	40
36	On-board network control unit	20
37	Seat heating control unit	30
38	On-board network control unit	30
39	Driver Assistance Front Camera / Parking Assist Control Module / Adaptive Cruise Control Module / Blind Spot Monitor Control Module	10 / 7.5
40	Switch module 1 in the center console / Diagnostic connector / Steering column electronics control unit / Rotary light switch / Front left and right headlight (with halogen headlights) / Headlight range adjustment / Reversing light switch / Auto-dimming interior mirror	7.5
41	Exterior mirror adjuster	7.5
42	Starter relay / Refrigerant circuit pressure sensor 2.0 l petrol : Structure-borne noise control unit with manual transmission : Clutch position sensor with gas engine : Gas shut-off valve relay	7.5
43	Left and Right Washer Nozzle Heating Element / Rear Window Wiper Motor / Washer Pump Relay	15
44	Passenger's side airbag warning lamp / Airbag control unit	7.5
45	Front left headlight (LED)	7.5
46	Front right headlight (LED)	7.5
47	Empty	-
48	Entry and Start System Interface/Electronic Steering Column Lock Control Module	7.5
49	Reductant dosing system relay	7.5
50	Empty	-
51	USB charging port 1	7.5
52	Empty	-
53	Selector lever / Ignition key removal lock solenoid	7.5
54	Empty	-
55	Cigarette lighter fuse Volkswagen Polo 6	20
56	Heating and air conditioning control	30
57	Empty
58	Windshield and rear window washer pump	7.5
59	On-board network control unit	10
63	Trailer detector control unit	30
61	Trailer detector control unit	30
R1	Gas shut-off valve relay (gas engine) Reductant dosing system relay (diesel)
R2	Washer pump relay
R3	Relay for supplying voltage to terminal 15
R4	Terminal 75x, voltage supply relay
R5	Empty
R6	Empty

Type 2 (2021-2024)

For cars 2021, 2022, 2023, 2024 model years.

Diagram
No.	Purpose	Current, A
1	Trailer detector control unit	20
2	Empty	-
3	Audio amplifier	30
4	Empty	-
5	Sliding sunroof adjustment control unit	30
6	On-board network control unit	40
7	Empty	-
8	Supply air fan control unit	30
9	Empty	-
10	Trailer detector control unit	25
11	Gas shut-off valve relay (natural gas engine)	7.5
12	Front right seat belt (right-hand drive) or Front left seat belt (left-hand drive)	15
13	Steering column electronics control unit / Rotary light switch / Diagnostic connector / 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	On-board network control unit	40
17	right-hand drive: Driver's door control unit and rear driver's door control unit left hand drive: Front passenger door control unit and rear passenger door control unit	30
18	On-board network control unit	30
19	Information electronics control unit 1	25
20	On-board network control unit	30
21	Empty	-
22	Empty	-
23	Back cover handle	7.5
24	Front information control panel display unit / CD player / TV tuner / Transmission and reception stabilization control unit / USB hub / Telephone bracket / Chip card reader control unit	5
25	Steering column electronics control unit	7.5
26	Data bus diagnostic interface	7.5
27	Electronically controlled damping control unit	7.5
28	Anti-theft alarm sensor	7.5
29	Anti-theft alarm sound	7.5
30	Front right seat belt (left-hand drive) or Front left seat belt (right-hand drive)	15
31	Heating and air conditioning control	7.5 / 15
32	Ignition and starter switch, Steering column electronics control unit	7.5
33	left hand drive: driver's door control unit, rear driver's door control unit right hand drive: front passenger door control unit, rear passenger door control unit	30
34	Empty	-
35	On-board network control unit	40
36	On-board network control unit	20
37	Seat heating control unit	30
38	On-board network control unit	30
39	Blind Spot Monitor Control Module / Parking Assist Control Module / Driver Assistance Systems Front Camera / Adaptive Cruise Control Module	7.5
40	Reversing light switch / Interior mirror / Headlights (vehicles with halogen headlights) / Steering column electronics control unit / Rotary light switch / Diagnostic connector / Headlight range control / Switch module 1 in the center console	7.5
41	Exterior mirror adjuster	7.5
42	Starter relay / Coolant circuit pressure sensor / Structure-borne noise control unit Manual transmission vehicles: Clutch position sensor  Natural gas engines: Gas shut-off valve relay	7.5
43	Rear Window Wiper Motor / Left and Right Washer Nozzle Heating Element / Washer Pump Relay	15
44	Airbag deactivated warning lamp on the front passenger side / Airbag control unit	7.5
45	Empty	-
46	Empty	-
47	Empty	-
48	Entry and Start System Interface / Electronic Steering Column Lock Control Module	7.5
49	Empty	-
50	Empty	-
51	USB charging port 1	7.5
52	Front right headlight (with LED headlights)	15
53	Ignition key eject lock solenoid / Shift mechanism	7.5
54	Front left headlight (with LED headlights)	15
55	Fuse 51 in holder C (USB charging port 1) / Cigarette lighter socket Polo 6	20
56	Heating and air conditioning control	30
57	Empty
58	Windshield and rear window washer pump	7.5
59	On-board network control unit	10
60	Trailer detector control unit	30
61	Trailer detector control unit	30
R1	Gas shut-off valve relay (gas engine) Reductant dosing system relay (diesel engine)
R2	Washer pump relay
R3	Relay for supplying voltage to terminal 15
R4	Terminal 75x, voltage supply relay
R5	Empty
R6	Empty