Volkswagen Caddy (SB; 2024 – 2025) – fuse and relay box diagram

Posted on 28 August 202528 August 2025 by admin

Volkswagen Caddy (SB; 2024 – 2025) – fuse and relay box diagram

Year of production: 2024, 2025

The fifth-generation Volkswagen Caddy was produced from 2021 to present. In this guide, you will find descriptions of the fuses and relays for the Volkswagen Caddy 5 (2021 – 2023 models), including fuse box diagrams, their locations.

Passenger Compartment

Fuse box diagram

Assignment of the fuses in the passenger compartment

No.	A	Function/component
F1	–	–
F2	30	ATO, Rear fresh air control unit
F3	25	ATO, Trailer control unit, left (vehicles with factory-fitted towing bracket)
F4	30	ATO, Control unit for reduction agent heating [for vehicle with diesel engines]
F5	25	ATO, Parking lock actuator
F6	30	ATO, Interior lighting, On-board power supply control unit
F7	30	ATO, Seat heating, Heating and air conditioning control unit
F8	25	ATO, Control unit for special vehicles (depending on the equipment)
F9	30	ATO, Driver’s door control unit [for vehicle with left-hand steering], Front passenger’s door control unit [for vehicles with right-hand steering]
F10	25	ATO, Control unit for special vehicles
F11	15	ATO, Trailer recognition control unit (vehicles with factory-fitted towing bracket)
F12	40	MAXI+, Right exterior lighting, On-board power control supply control unit
F13	40	MAXI+, Central locking, On-board power control supply control unit
F14	40	MAXI+, Interior with socket, 12V/230V
F15	–	–
F16	7,5	MINI, Airbag control unit, Seat occupied sensor radio communication control unit
F17	10	MINI, Relay for reducing agent dosing system [for vehicles with diesel engines] / Supply module of the reducing agent dosing system [for vehicles with diesel engines] / Recovery tank [for vehicles with diesel engines]
F18	10	MINI, Electronic steering column lock control unit / Access and start authorization interface / Anti-theft alarm control unit 2 / Anti-theft alarm control unit 3 / Anti-theft alarm control unit 4 / Anti-theft alarm control unit 5
F19	7,5	MINI, Instrument cluster / Control unit for emergency call module and communication unit
F20	7,5	MINI, Telephone, Storage compartment with mobile phone interface / Transmission and reception stabilization control unit / USB port 1
F21	7,5	MINI, Interior lighting relay / Blind spot monitoring control unit / Blind spot monitoring control unit 2 / Around view camera rear view
F22	–	–
F23	15	MINI, Contact plate in left B-pillar
F24	15	MINI, All-wheel drive control unit
F25	25	ATO, Control unit for special vehicles
F26	30	ATO, Front passenger door control unit
F27	25	ATO, Control unit for special vehicles
F28	–	–
F29	15	ATO, Trailer charging cable ( vehicles with factory-fitted towing bracket)
F30	20	ATO, Infotainment components, Electronic information system control unit 1
F31	25	ATO, trailer control unit, right (vehicles with factory-fitted towing bracket)
F32	15	ATO, Rear lid control unit
F33	15	ATO, Contact plate in right B-pillar
F34	–	–
F35	40	MAXI+, Left exterior lighting, On-board power supply control unit
F36	40	MAXI+, Blower regulator, Supply air fan control unit
F37	–	–
F38	–	–
F39	–	–
F40	7,5	MINI, anti-theft alarm
F41	7,5	MINI, Data bus diagnostic interface
F42	7,5	MINI, Selector lever / Selector lever position indicator
F43	10	MINI, Heating and air conditioning control unit / Interior temperature sensor / Rear window heating relay / Tyre pressure monitoring control unit / Auxiliary heater radio signal receiver
F44	7,5	MINI, Electromechanical parking brake button / Dash panel switch module, center / Light control panel / Anti-theft alarm sensor / Air humidity, rain and light sensor / Front interior light
F45	7,5	MINI, Steering column electronics control unit
F46	7,5	MINI, Display for front control, display and information unit
F47	–	–
F48	–	–
F49	–	–
F50	–	–
F51	–	–
F52	20	ATO, Cigarette lighter [Optional][5] / 12V socket [Optional][5] / 12V socket 3 [Optional][5] / 12V socket 4 [Optional][5]
F53	–	–
F54	–	–
F55	–	–
F56	–	–
F57	–	–
F58	7,5	MINI, Adaptive cruise control unit [Optional] / Parking assistance control unit [Optional] / Front camera for driver assistance systems [Optional]
F59	7,5	MINI, Electromechanical parking brake button / Reversing light switch [Optional] / Refrigerant circuit pressure sensor / Socket relay
F60	7,5	MINI, Diagnostic connector
F61	7,5	MINI, Clutch pedal position sensor [Optional] / Starter relay 1 / Starter relay 2
F62	7,5	MINI, USB charging socket 1 [Optional]
F63	–	–
F64	–	–
F65	–	–
F66	15	ATO, Rear window wiper.
F67	30	MAXI+, Rear window heating
R1		Socket relay
R2		Power supply relay terminal 15
R3		Rear window heating relay
R4		Relay for reducing agent dosing system [for cars with diesel engine]

Engine Comparment

Fuse box diagram

Assignment of the fuses in the engine compartment

No.	A	Function/component
F1	80	MIDI, Power steering control unit
F2	7,5	ATO, ABS control unit / Main relay [for cars with a gasoline engine] / Terminal 30 power supply relay [for vehicles with diesel engines] / Engine control unit
F3	7,5	ATO, [with engine letter designation DHFA] Shut-off and safety valve 1 for gas cylinder / Shut-off and safety valve 2 for gas cylinder / Shut-off and safety valve 3 for gas cylinder / Shut-off and safety valve 4 for gas cylinder / Shut-off and safety valve 5 for gas cylinder
F4	15	ATO, Headlight front left
F5	15	ATO, Headlight front right
F6	–	–
F7	30	ATO, Gearbox oil cooling pump [Optional]
F8	40	ATO, Brake booster
F9	15	ATO, Horn relay
F10	30	ATO, Windscreen wiper motor relay 1 / Windscreen wiper motor relay 2 / Windscreen wiper motor
F11	–	–
F12	15	ATO, Mechatronic unit DSG gearbox [Optional]
F13	25	ATO, ABS control unit
F14	20	ATO, Additional heater control unit [Optional]
F15	40	ATO, ABS control unit
F16	–	–
F17	40	MAXI, Heating element for additional air heater [for vehicles with diesel engines]
F18	40	MAXI, Heating element for additional air heater [for vehicles with diesel engines]
F19	–	–
F20	–	–
F21	7,5	ATO, Engine control unit
F22	30	Starter
F23	15	ATO, Engine control unit
F24	7,5	ATO, [for vehicles with diesel engines] Oil level and temperature sensor [for vehicles with diesel engines] / Fuel pump relay [for vehicles with diesel engines] / Activated carbon filter solenoid valve 1 [for vehicles with diesel engines] / Exhaust camshaft adjuster valve 1 [for vehicles with diesel engines] / Oil pressure regulating valve [for vehicles with diesel engines] / Inlet camshaft adjuster cylinder 2 [for vehicles with diesel engines] / Exhaust camshaft adjuster cylinder 2 [for vehicles with diesel engines] / Inlet camshaft adjuster cylinder 3 [for vehicles with diesel engines] / Exhaust camshaft adjuster cylinder 3 [for vehicles with diesel engines] / Inlet camshaft adjuster valve 1 [for vehicles with diesel engines] / Radiator fan [for vehicles with diesel engines]
F24	10	ATO, for cars with a gasoline engine] Oil level and temperature sender [for cars with a gasoline engine] / Glow plug control unit [for cars with a gasoline engine] / Reducing agent preheating control unit [for cars with a gasoline engine] / Reducing agent metering system relay [for cars with a gasoline engine] / Fuel pressure regulator [for cars with a gasoline engine] / Fuel metering valve [for cars
F25	7,5	ATO, Injector cylinder 1 / Injector cylinder 2 / Injector cylinder 3 / Injector cylinder 4
F26	10	ATO, Crankcase ventilation heating resistor [for vehicles with diesel engines] / Oil pressure regulating valve [for vehicles with diesel engines] / Coolant regulating valve [for vehicles with diesel engines] / Piston cooling nozzle control valve [for vehicles with diesel engines] / Heater circulation pump [for vehicles with diesel engines] / Charge air cooling pump [for cars with a gasoline engine] /
, F27	10	ATO, [for cars with a gasoline engine] Lambda probe 1 after neutralizer [for cars with a gasoline engine] / Lambda probe 1 before neutralizer [for cars with a gasoline engine]
F27	15	ATO, [for vehicles with diesel engines] Soot Particle Sensor [for vehicles with diesel engines] / NOx Sensor 3 [for vehicles with diesel engines] / Lambda Probe 1 Before Catalytic Converter [for vehicles with diesel engines] / NOx Sensor Control Unit [for vehicles with diesel engines] / NOx Sensor Control Unit 2 [for vehicles with diesel engines]
F28	20	ATO, Ignition coil 1 with output stage [for cars with a gasoline engine] / Ignition coil 2 with output stage [for cars with a gasoline engine] / Ignition coil 3 with output stage [for cars with a gasoline engine] / Ignition coil 4 with output stage [for cars with a gasoline engine]
F29	15	ATO, [for cars with a gasoline engine] Fuel pump control unit / Fuel delivery module
F29	20	ATO [for vehicles with diesel engines]
F30	–	–
F31	7,5	ATO, brake light sensor
F32	–	–
F33	40	MAXI, Heating element for additional air heater [for vehicles with diesel engines]
F34	30	ATO, Heated windscreen relay [for cars with heated windshield] / Windscreen heating element [for cars with heated windshield] / Relay 2 for heated windscreen [for cars with heated windshield]
F35	30	Relay 2 for heated windscreen [for cars with heated windshield] / Windscreen heating element [for cars with heated windshield]
R1		Main relay [for cars with petrol engines], Power supply relay terminal 30 [for cars with diesel engine]
R2		High Power Heating Relay
R3		Horn relay
R4		Starter relay 1
R5		Starter relay 2
R6		Fuel pump relay/ Gas shut-off valve relay [with engine letter designation DHFA]
R7		Glow plug control unit [for cars with diesel engine]
R8		Low power heating relay [for vehicles with additional air heater heating element]
R9		Heated windscreen relay
R10		Relay 2 for heated windscreen
R11		Relay 1 windscreen wiper motor
R12		Windscreen wiper motor relay 2

Fuses for junction box 1 (SX1)

Assignment of the fuses in the juncion box 1 (SX1)

Type	No.	Function/component
Battery Terminal	SA1	Fuse box B
Battery Terminal	SA2	Radiator Fan [for vehicle with a simple radiator fan]
Battery Terminal	SA2	Radiator Fan [for vehicle with dual radiator fan]
Battery Terminal	508	Switching and distribution box 2/ Battery
Battery Terminal	SA4	Fuse box C
Battery Terminal	SA5	Fuse box C

Fuses for junction box 2 (SX2)

Assignment of the fuses in the juncion box 2 (SX2)

Type	No.	Function/component
MIDI	A	Starter/ Generator with voltage regulator
MIDI	B	Relay and fuse block J for special vehicle [for cars with preparation for a 2nd battery]

There are also videos on this topic on our YouTube channel.

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Volkswagen Caddy (SB; 2021 – 2023) – fuse and relay box diagram

Posted on 28 August 202528 August 2025 by admin

Volkswagen Caddy (SB; 2021 – 2023) – fuse and relay box diagram

Year of production: 2021, 2022, 2023

Passenger Compartment

Fuse box diagram

Assignment of the fuses in the passenger compartment

No.	A	Function/component
F1	–	–
F2	30	ATO, Rear fresh air control unit
F3	25	ATO, Trailer control unit, left (vehicles with factory-fitted towing bracket)
F4	30	ATO, Control unit for reduction agent heating [for vehicle with diesel engines]
F5	25	ATO, Parking lock actuator
F6	30	ATO, Interior lighting, On-board power supply control unit
F7	30	ATO, Seat heating, Heating and air conditioning control unit
F8	25	ATO, Control unit for special vehicles (depending on the equipment)
F9	30	ATO, Driver’s door control unit [for vehicle with left-hand steering], Front passenger’s door control unit [for vehicles with right-hand steering]
F10	25	ATO, Control unit for special vehicles
F11	15	ATO, Trailer recognition control unit (vehicles with factory-fitted towing bracket)
F12	40	MAXI+, Right exterior lighting, On-board power control supply control unit
F13	40	MAXI+, Central locking, On-board power control supply control unit
F14	40	MAXI+, Interior with socket, 12V/230V
F15	–	–
F16	7,5	MINI, Airbag control unit, Seat occupied sensor radio communication control unit
F17	10	MINI, Relay for reducing agent dosing system [for vehicles with diesel engines] / Supply module of the reducing agent dosing system [for vehicles with diesel engines] / Recovery tank [for vehicles with diesel engines]
F18	10	MINI, Electronic steering column lock control unit / Access and start authorization interface / Anti-theft alarm control unit 2 / Anti-theft alarm control unit 3 / Anti-theft alarm control unit 4 / Anti-theft alarm control unit 5
F19	7,5	MINI, Instrument cluster / Control unit for emergency call module and communication unit
F20	7,5	MINI, Telephone, Storage compartment with mobile phone interface / Transmission and reception stabilization control unit / USB port 1
F21	7,5	MINI, Interior lighting relay / Blind spot monitoring control unit / Blind spot monitoring control unit 2 / Around view camera rear view
F22	–	–
F23	15	MINI, Contact plate in left B-pillar
F24	15	MINI, All-wheel drive control unit
F25	25	ATO, Control unit for special vehicles
F26	30	ATO, Front passenger door control unit
F27	25	ATO, Control unit for special vehicles
F28	–	–
F29	15	ATO, Trailer charging cable ( vehicles with factory-fitted towing bracket)
F30	20	ATO, Infotainment components, Electronic information system control unit 1
F31	25	ATO, trailer control unit, right (vehicles with factory-fitted towing bracket)
F32	15	ATO, Rear lid control unit
F33	15	ATO, Contact plate in right B-pillar
F34	–	–
F35	40	MAXI+, Left exterior lighting, On-board power supply control unit
F36	40	MAXI+, Blower regulator, Supply air fan control unit
F37	–	–
F38	–	–
F39	–	–
F40	7,5	MINI, anti-theft alarm
F41	7,5	MINI, Data bus diagnostic interface
F42	7,5	MINI, Selector lever / Selector lever position indicator
F43	10	MINI, Heating and air conditioning control unit / Interior temperature sensor / Rear window heating relay / Tyre pressure monitoring control unit / Auxiliary heater radio signal receiver
F44	7,5	MINI, Electromechanical parking brake button / Dash panel switch module, center / Light control panel / Anti-theft alarm sensor / Air humidity, rain and light sensor / Front interior light
F45	7,5	MINI, Steering column electronics control unit
F46	7,5	MINI, Display for front control, display and information unit
F47	–	–
F48	7,5	USB charging socket 1 [Optional]
F49	–	–
F50	–	–
F51	–	–
F52	20	ATO, Cigarette lighter [Optional][5] / 12V socket [Optional][5] / 12V socket 3 [Optional][5] / 12V socket 4 [Optional][5]
F53	–	–
F54	–	–
F55	–	–
F56	–	–
F57	–	–
F58	7,5	MINI, Adaptive cruise control unit [Optional] / Parking assistance control unit [Optional] / Front camera for driver assistance systems [Optional]
F59	7,5	MINI, Electromechanical parking brake button / Reversing light switch [Optional] / Refrigerant circuit pressure sensor / Socket relay
F60	7,5	MINI, Diagnostic connector
F61	7,5	MINI, Clutch pedal position sensor [Optional] / Starter relay 1 / Starter relay 2
F62	–	–
F63	–	–
F64	–	–
F65	–	–
F66	15	ATO, Rear window wiper.
F67	30	MAXI+, Rear window heating
R1		Socket relay
R2		Power supply relay terminal 15
R3		Rear window heating relay
R4		Relay for reducing agent dosing system [for cars with diesel engine]

Engine Comparment

Fuse box diagram

Assignment of the fuses in the engine compartment

No.	A	Function/component
F1	80	MIDI, Power steering control unit
F2	7,5	ATO, ABS control unit / Main relay [for cars with a gasoline engine] / Terminal 30 power supply relay [for vehicles with diesel engines] / Engine control unit
F3	–	–
F4	15	ATO, Headlight front left
F5	15	ATO, Headlight front right
F6	–	–
F7	30	ATO, Gearbox oil cooling pump [Optional]
F8	40	ATO, Brake booster
F9	15	ATO, Horn relay
F10	30	ATO, Windscreen wiper motor relay 1 / Windscreen wiper motor relay 2 / Windscreen wiper motor
F11	–	–
F12	15	ATO, Mechatronic unit DSG gearbox [Optional]
F13	25	ATO, ABS control unit
F14	20	ATO, Additional heater control unit [Optional]
F15	40	ATO, ABS control unit
F16	–	–
F17	40	MAXI, Heating element for additional air heater [for vehicles with diesel engines]
F18	40	MAXI, Heating element for additional air heater [for vehicles with diesel engines]
F19	–	–
F20	–	–
F21	7,5	ATO, Engine control unit
F22	30	Starter
F23	15	ATO, Engine control unit
F24	7,5	ATO, [for vehicles with diesel engines] Oil level and temperature sensor [for vehicles with diesel engines] / Fuel pump relay [for vehicles with diesel engines] / Activated carbon filter solenoid valve 1 [for vehicles with diesel engines] / Exhaust camshaft adjuster valve 1 [for vehicles with diesel engines] / Oil pressure regulating valve [for vehicles with diesel engines] / Inlet camshaft adjuster cylinder 2 [for vehicles with diesel engines] / Exhaust camshaft adjuster cylinder 2 [for vehicles with diesel engines] / Inlet camshaft adjuster cylinder 3 [for vehicles with diesel engines] / Exhaust camshaft adjuster cylinder 3 [for vehicles with diesel engines] / Inlet camshaft adjuster valve 1 [for vehicles with diesel engines] / Radiator fan [for vehicles with diesel engines]
F24	10	ATO, for cars with a gasoline engine] Oil level and temperature sender [for cars with a gasoline engine] / Glow plug control unit [for cars with a gasoline engine] / Reducing agent preheating control unit [for cars with a gasoline engine] / Reducing agent metering system relay [for cars with a gasoline engine] / Fuel pressure regulator [for cars with a gasoline engine] / Fuel metering valve [for cars
F25	7,5	ATO, Injector cylinder 1 / Injector cylinder 2 / Injector cylinder 3 / Injector cylinder 4
F26	10	ATO, Crankcase ventilation heating resistor [for vehicles with diesel engines] / Oil pressure regulating valve [for vehicles with diesel engines] / Coolant regulating valve [for vehicles with diesel engines] / Piston cooling nozzle control valve [for vehicles with diesel engines] / Heater circulation pump [for vehicles with diesel engines] / Charge air cooling pump [for cars with a gasoline engine] /
, F27	10	ATO, [for cars with a gasoline engine] Lambda probe 1 after neutralizer [for cars with a gasoline engine] / Lambda probe 1 before neutralizer [for cars with a gasoline engine]
F27	15	ATO, [for vehicles with diesel engines] Soot Particle Sensor [for vehicles with diesel engines] / NOx Sensor 3 [for vehicles with diesel engines] / Lambda Probe 1 Before Catalytic Converter [for vehicles with diesel engines] / NOx Sensor Control Unit [for vehicles with diesel engines] / NOx Sensor Control Unit 2 [for vehicles with diesel engines]
F28	20	ATO, Ignition coil 1 with output stage [for cars with a gasoline engine] / Ignition coil 2 with output stage [for cars with a gasoline engine] / Ignition coil 3 with output stage [for cars with a gasoline engine] / Ignition coil 4 with output stage [for cars with a gasoline engine]
F29	15	ATO, [for cars with a gasoline engine] Fuel pump control unit / Fuel delivery module
F29	20	ATO [for vehicles with diesel engines]
F30	–	–
F31	7,5	ATO, brake light sensor
F32	–	–
F33	40	MAXI, Heating element for additional air heater [for vehicles with diesel engines]
F34	30	ATO, Heated windscreen relay [for cars with heated windshield] / Windscreen heating element [for cars with heated windshield] / Relay 2 for heated windscreen [for cars with heated windshield]
F35	30	Relay 2 for heated windscreen [for cars with heated windshield] / Windscreen heating element [for cars with heated windshield]
R1		Main relay [for cars with petrol engines], Power supply relay terminal 30 [for cars with diesel engine]
R2		High Power Heating Relay
R3		Horn relay
R4		Starter relay 1
R5		Starter relay 2
R6		Fuel pump relay/ Gas shut-off valve relay [with engine letter designation DHFA]
R7		Glow plug control unit [for cars with diesel engine]
R8		Low power heating relay [for vehicles with additional air heater heating element]
R9		Heated windscreen relay
R10		Relay 2 for heated windscreen
R11		Relay 1 windscreen wiper motor
R12		Windscreen wiper motor relay 2

Fuses for junction box 1 (SX1)

Assignment of the fuses in the juncion box 1 (SX1)

Type	No.	Function/component
Battery Terminal	SA1	Fuse box B
Battery Terminal	SA2	Radiator Fan [for vehicle with a simple fan]
Battery Terminal	SA2	Radiator Fan [for vehicle with dual radiator fan]
Battery Terminal	508	Switching and distribution box 2/ Battery
Battery Terminal	SA4	Fuse box C
Battery Terminal	SA5	Fuse box C

Fuses for junction box 2 (SX2)

Assignment of the fuses in the juncion box 2 (SX2)

Type	No.	Function/component
MIDI	A	Starter/ Generator with voltage regulator
MIDI	B	Relay and fuse block J for special vehicle [for cars with preparation for a 2nd battery]

There are also videos on this topic on our YouTube channel.

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Volkswagen Caddy (IV; 2015 – 2020) – fuse and relay box diagram

Posted on 27 August 202527 August 2025 by admin

Volkswagen Caddy (IV; 2015 – 2020) – fuse and relay box diagram

Year of production: 2015, 2016, 2017, 2018, 2019, 2020

The fourth-generation Volkswagen Caddy was produced from 2015 to 2020. In this guide, you will find descriptions of the fuses and relays for the Volkswagen Caddy 4 (2015 – 2020 models), including fuse box diagrams, their locations.

Passenger Compartment

Fuse box location

The interior fuse box is located at the bottom of the dashboard, behind a protective cover.

Fuse box diagram

Assignment of the fuses in the passenger compartment

No.	A	Function/component
1	–	–
2	–	–
3	–	–
4	–	–
5	–	–
6	–	–
7	–	–
8	–	–
9	10	10-pin connector, pin 4 (interface for special functions)
10	8	Diagnostic data bus interface. Engine control unit. Starter relay 1. Starter relay 2.
11	5	Parking assistance system control unit unit. Power steering control unit
12	5	Taximeter. Taximeter mirror.
12	20	8-pin connector, pin 8; 28-pin connector, pin 20
13	7,5	Headlight range – adjustable. Button for disabling ASR and electronic stability control. Selector lever. Tire pressure indicator button. Start/stop button. ABS control unit. Trailer detection control unit. ACC control unit. Four-wheel drive control unit. Power steering control unit. DSG transmission mechatronic control unit. Inverter with 12 V/230 V socket. Range control motor for left headlamp. Right headlamp range control motor.
14	10	Reverse light switch. Mass air flow sensor. Auxiliary heater switch relay. Control unit in instrument cluster. Crankcase ventilation heater resistor. Diagnostic connector. 1-pole connector, pin sixteen
15	5	Airbag control unit. Front passenger airbag deactivation indicator.
16	5	Lighting switch. Heating and mode selection switch. High pressure sensor. Atmospheric pollution sensor sensor. Temperature and oil level sensor. Light sensor. High beam assistant control unit. Front driver assistance camera. Anti-glare interior mirror.
17	–	–
18	10	10-pin connector, pin 6 (interface for special functions)
19	10	Taximeter. Mirror with taximeter. Walkie-talkie. Printer.
19	10	10 pin connector, pin 7 (interface for special functions)
20	20	Volkswagen Caddy 4 cigarette lighter fuse. 12 V connector, in the storage compartment
21	10	Heating and mode selection operation. Selector lever. Rear window heater relay. Rear window heater relay relay. Climatronic control unit. Air conditioning control unit. Emergency data recorder. (except special equipment for police). Reducing agent dosing system relay. Dual-band cell phone signal amplifier. Radio signal receiver for auxiliary water heater. Bluetooth cell phone antenna. 6-pin connector, 2-pin connector (special police equipment only). Diagnostic connector. 16-pin connector, pin 16
21	10	Light switch. Heating and heating mode selection switch. Selector switch. Ambient light switch in rear cowl (Camper). Illumination 1 in the tailgate. Illumination 2 in the tailgate. Rain and light sensor. Rear window heater relay. Climatronic control unit. Air conditioning control unit. Horn relay. Emergency data recorder. (Except special equipment for police). Reducing agent. Dosing system relay. 16-pole diagnostic connector, pin 16. Rear interior light (Camper). Illumination 1 in rear of hood. Illumination 2 in the rear of the hood. Rear reversing camera.
22	10	On-board network control unit. Lighting in the passenger compartment. Trunk light. Glove compartment light. Center cabin light. Rear interior light. Backlight 1 in tailgate (special equipment). Backlight 2 in tailgate (special equipment). Trunk light 2 (special equipment). Front left reading light. Front right reading light. Rear left reading lamp 2. Rear right reading light 2. On-board network control unit. Left fog lamp bulb. Right fog lamp bulb.
23	5	[Special vehicles] Taxi – interior light switch. Cab signal switch. 10-pin connector, pin 1 (interface for special functions)
23	10	[special vehicles] Direction indicator relay.
24	5	Interior condition monitoring sensor. Vehicle tilt sensor. Anti-theft alarm sensor. Alarm. on-board network control unit
25	5	Instrument panel. Control unit in the instrument cluster
26	10	Button for emergency data recorder (without special police equipment); Emergency data recorder (without special police equipment)
27	–	–
28	–	–
29	15	Rear wiper motor.
30	–	–
31	5	Heater operating mode switch. Heating resistor for left windshield washer nozzle. Heating resistor for right windshield washer nozzle.
32	–	–
33	40	Auxiliary heater switch relay ( vehicles with auxiliary heater, without R1234yf refrigerant); Heating mode switch. Air conditioner control unit. Auxiliary heater switch relay (cars with auxiliary heater, with R1234yf refrigerant); Fresh air fan cut-off relay. Heating mode switch. Air conditioner control unit. Outside air fan isolation relay (vehicles without auxiliary heater, with R1234yf refrigerant); Air conditioner control unit.
34	–	–
35	–	–
36	–	–
37	–	–
38	–	–
39	30	4-pin connector, pin 1 [special vehicles].
40	20	Trailer detection control unit.
41	20	Trailer detection control unit.
42	20	Trailer detection control unit.
43	15	Fuel pump relay (Caddy gasoline pump fuse). Fuel pump. High pressure fuel supply relay. Additional fuel pump. Electric fuel pump relay 2.
43	20	[Euro 6 diesel engine] – Fuel pump relay. Electric fuel pump relay 2. Fuel pump.
44	40	Fresh air blower control unit. Fresh air blower.
45	20	Headlight washer relay. Headlamp washer pump.
46	10	Driver’s door control unit. (models without power windows), left-hand drive vehicles / Passenger door control unit. models without power windows), right-hand drive vehicles
46	30	Driver door control unit (models with power windows), left-hand drive vehicles / Passenger door control unit (models with power windows), right-hand drive vehicles
47	40	X relay relay relay contact, fuse box C in the passenger compartment.
48	30	Front seat heating control unit.
49	10	Driver door control unit (models without power windows), right-hand drive vehicles / Passenger door control unit (models without power windows), left-hand drive vehicles
49	30	Driver door control unit (models with power windows), right-hand drive vehicles / Passenger door control unit (models with power windows), left-hand drive vehicles
50	20	On-board network control unit. Windshield washer pump. Rear wiper motor. Windshield and rear window washer pump.
51	15	Trailer power relay. TCU connector.
51	30	10-pin connector, pin 4 / 10-pin connector, pin 5 [special vehicles].
52	25	Rear window defroster relay. Rear window defroster resistor. Left hinged door rear window defroster resistor. Right hinged door rear window defroster resistor. Fresh air fan relay (vehicles with auxiliary heater). Ballast resistor for fresh air fan with overheating protection. Fresh air blower.
53	20	12V outlet – rear in center console; 12V outlet in left rear side panel.
54	15	Roof fan switch relay 1. [special vehicles].
55	15	8-pin connector, pin 4 [special cars]
56	30	Inverter with socket, 12V/230V.
57	–	–
58	–	–
59	5	Radio switch. Engine boost switch. Daytime running lights switch. Emergency data logger.
60	30	3-pin connector, pin 1 [special vehicles].

Engine Comparment

Fuse box location

In the engine bay, the fuse and relay box is positioned next to the battery and protected by a cover.

Fuse box diagram

Assignment of the fuses in the engine compartment

No.	A	Function/component
1	30	Gearbox heating control unit
2	–	–
3	5	Battery condition monitoring control unit, board power control unit
4	20	ABS control unit, ABS hydraulic unit
5	15	DSG transmission mechatronic unit (02E) with 20-pin connector
5	30	DSG transmission mechatronic unit (0AM) with 25-pin connector
6	5	Before May 2017: Instrument cluster control unit, Steering column electronics control unit; From June 2017 [For left-hand drive vehicles]: Light switch, Trunk lid illumination switch (Camper), Trunk lid illumination 1, Trunk lid illumination 2, Rain and light sensor, Horn relay, Instrument cluster control unit, Steering column electronics control unit, Emergency call module and communication control unit, Reverse camera, Rear interior light (Camper), Rear lid illumination 1, Rear lid illumination 2; From June 2017 [For right-hand drive vehicles]: Control unit in instrument cluster, Electronic steering column control unit, Dual-band cell phone signal booster, Bluetooth cell phone antenna.
7	40	Power relay terminal 15: Interior fuse box (#9 – #16 and #25 – #27)
8	15	Control unit with display for radio with navigation, control unit 1 for information electronics, radio, USB hub
9	20	Wheel drive control unit
10	5	Engine control unit, main relay [gasoline engine], power relay terminal 30 [diesel engine]
11	20	Auxiliary heater control unit
12	5	Diagnostic data bus interface
13	15	Engine control unit [Petrol engine]
13	30	Engine control unit [Diesel engine]
14	10	[Diesel engine, complies with Euro 6 emission standard]: Inlet camshaft adjustment valve 1, Fuel pressure regulator, Fuel metering valve
14	15	[Diesel engine, compliant with Euro 5, Euro 4 emission class]: Fuel pressure regulator, Fuel metering valve
14	20	Ignition coil, Ignition coil 1, 2, 3 and 4 with output stage
15	5	Fuel pump relay, Electric fuel pump relay 2, Glow plug control unit; [Diesel engine complying with Euro 5, Euro 4 emission class]: Low output heater relay, High output heater relay
15	10	Lambda probe heating element, Lambda probe heating element 1 after catalytic converter
15	15	[Diesel engine compliant with Euro 6 emission standard]: Low output thermal relay, High output thermal relay; NOx sensor control unit, NOx sensor control unit 2, Lambda probe heating element; Injectors for cylinders 1, 2, 3 and 4 [Petrol engine 1.6L].
16	30	On-board network control unit, Front right headlamp, Right headlamp discharge lamp control unit, Right daytime running lamps and front side lamps control unit, Right headlamp bulb for adaptive lighting system, Left fog lamp or right fog lamp bulb, Right daytime running lamps bulb, Front left lamp, Rear right lamp, Front right lamp, Rear left turn signal lamp, Front right turn signal lamp, Left brake light bulb, Right reversing light bulb, Left turn signal lamp, Left turn signal repeater bulb, High beam bulb, Right low beam bulb, Right high beam bulb, Right high beam bulb
17	15	Horn relay: High tone signal
18	30	Control unit for special vehicles
19	30	Windshield wiper motor control unit: Windshield wiper motor
20	10	Shut-off and safety valve 1, 2, 3, 4 and 5 for gas cylinder
21	10	[Diesel engine, complies with Euro 6 emission standard]: Fuel pump relay, glow plug control unit; lambda probe heating element [Diesel engine, complies with Euro 5, Euro 4 emission standards].
21	15	Fuel pump control unit [Gasoline engine]; [Gasoline engine 1.6 l]: Lambda probe heater, Lambda probe heater 1 after catalytic converter
21	30	[Gasoline engine 1.0 l]: Fuel pump control unit, Brake system vacuum pump
22	5	Brake light switch, Clutch pedal position sensor
23	15	Mass air meter, Charge pressure control solenoid valve, EGR cooler switch valve, Oil pressure control valve, Cylinder head cooling circuit valve, Gas cut-off valve relay, High pressure valve for gas operation, Charge air cooling pump
23	15	Fuel pressure regulator, Charge air cooling pump
24	10	Radiator fan: Radiator fan control unit; Relay for reducing agent metering system: Reducer level sensor, Recovery pump, Reducer return pump; Canister solenoid valve 1, Intake camshaft adjustment valve 1, Exhaust camshaft adjustment valve 1, Gas injection valve 1, 2, 3 and 4, Oil pressure adjustment valve, Coolant circulation pump 2, Charge air cooling pump, Heater circulation pump
25	60	ABS control unit, ABS hydraulic pump
26	30	On-board power control unit, Front left headlight, Adaptive lighting system left headlight bulb, Left headlight discharge lamp control unit, Left daytime running lamps and front side headlamps control unit, Left fog lamp bulb or right fog lamp bulb, Left daytime running lamps bulb, Front right lamp bulb, Left rear lamp bulb, Front left turn signal lamp, Rear right turn signal lamp, Right brake light bulb, Left reversing light bulb, Right turn signal repeater bulb, Left low beam bulb, Left high beam bulb, Left low beam bulb, Left high beam bulb, Left low beam headlamp flap
27	50	Glow plug control unit
28	40	Fuse 56 in the passenger compartment fuse box, Inverter with 12V/230V socket
28	60	Windshield heater relay: Windshield heater element
29	30	Special vehicles: Fuse 18 and 19 in the passenger compartment fuse box
29	50	Special vehicles: Fuse 39 in the passenger compartment fuse box, Fuse 51 in the passenger compartment fuse box, Fuses 54 and 55 in the passenger compartment fuse box, Fuses 59 and 60 in the passenger compartment fuse box
30	50	Trailer Driving: Fuse 40, 41 and 42 in the passenger compartment fuse box
R1		Main relay, Power relay terminal 30
R2		Gas shutoff valve relay
SA1	200	Alternator (110A); Alternator (140A/180A)
SA1	400	Alternator (140A/180A)
SA2	80	Power steering control unit: Power steering motor
SA3	50	Radiator fan: Radiator fan control unit, radiator fan, radiator fan 2
SA4	80	Contact relief relay X [Cars without Climatronic only]: Interior fuse box: No. 20 – No. 24 and No. 43 – No. 53
SA5	80	Interior fuse box: No. 20 – No. 24 and No. 43 – No. 53
SA6	40	Low power heating relay: Heating element for auxiliary air heater
SA7	80	High power heating relay: Heating element for auxiliary air heater
TV2		Protection of all circuits in underhood block

There are also videos on this topic on our YouTube channel.

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Volkswagen Caddy (III; 2003 – 2004) – fuse and relay box diagram

Posted on 20 July 201828 August 2025 by admin

Volkswagen Caddy (III; 2003 – 2004) – fuse and relay box diagram

Year of production: 2003, 2004

In this article, we take a look at the third-generation Volkswagen Caddy (2K) before its first facelift, produced between 2003 and 2010. You will find fuse box diagrams for the 2003–2004 models, along with details on the location of the fuse panels inside the vehicle and the assignment of each fuse (fuse layout).

Location

Fuses on fuse holder A -SA- (On the electronics box, on left in engine compartment)
Fuses on fuse holder B -SB- (On left in engine compartment)
Fuses on fuse holder C -SC- (Under left dash panel)

Engine Compartment

Fitting location of fuse holder A (A -SA-)

Fuse box diagram

Assignment of the fuses in the engine compartment (pre-fuse box)

No.	A	Function/component
1	150	Alternator -C- 90A / 110A
1	200	Alternator -C- 140A
2	80	Power steering control module -J500- Electromechanical power steering motor -V187-
3	80	Radiator fan control unit -J293- Radiator fan -V7- Radiator fan on right of radiator -V35-
4	70	Onboard supply control unit -J519- X-contact relief relay -J59- Fuse 7 on fuse holder -SC7- Fuse 8 on fuse holder -SC8- Fuse 28 on fuse holder -SC28- to -SC35-
5	–	Not used
6	100	Fuses on fuse holder C -SC- Fuse 20 on fuse holder -SC20- to -SC24- Fuse 42 on fuse holder -SC42- to -SC56-
7	50	Fuses on fuse holder C -SC- Fuse 39 on fuse holder -SC39- to -SC41-

Fitting location of E-box high fuse holder (B -SB-)

Fuse box diagram

Assignment of the fuses in the engine compartment

No.	A	Function/component
1	30	ABS Control Module -J104-
2	30	ABS Control Module -J104-
3	–	Not used
4	5	Onboard supply control unit -J519-
5	20	Onboard supply control unit -J519- Double-tone horn relay -J4- , Signal horn relay -J413- Treble horn -H2- Bass horn -H7-
6	20	Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292- Ignition transformer -N152-
7	5	Brake pedal switch -F47- J…-Engine Control Modules Clutch position sender -G476-
8	10	Exhaust gas recirculation valve -N18- Activated charcoal filter solenoid valve 1 -N80- Variable intake manifold changeover valve -N156- Protective resistor -N235- Radiator fan control unit -J293- Intake manifold flap motor -V157-
9	10	Fuel pump relay -J17- (BDJ, BJB) Glow plug relay -J52- (BDJ) Automatic glow period control module -J79- (BJB)
10	10	Exhaust gas recirculation valve -N18- Charge pressure control solenoid valve -N75- Exhaust gas recirculation fan switch-over valve -N345-
11	25	Motronic Control Module -J220- (BCA) Simos Control Module -J361- (BGU, BSE, BSF)
11	30	Diesel direct injection system control module -J248- (BDJ, BJB)
12	15	Lambda probe -G39- (BCA) Lambda probe after catalytic converter -G130- (BCA)
13	–	Not used
14	–	Not used
15	25	Starter -B-
16	15	Steering column electronics control module -J527-
17	10	Control unit in dash panel insert -J285-
18	–	Not used
19	15	Control module with display for radio and navigation system -J503- Radio -R-
20	10	Mobile telephone operating electronics control module -J412-
21	–	Not used
22	–	Not used
23	–	Not used
24	10	Data bus diagnostic interface -J533-
25	–	Not used
26	5	Terminal 30 voltage supply relay -J317- (BDJ, BJB )
26	10	Motronic control module -J220- (BCA)
27	10	Heater element for crankcase breather -N79-
28	–	Not used
29	20	Cylinder 1 injector -N30- (BCA) Cylinder 2 injector -N31- (BCA) Cylinder 3 injector – N32- (BCA) Cylinder 4 injector -N33- (BCA)
30	20	Auxiliary heater control unit -J364-
31	30	Windscreen wiper motor -V-
32	10	Cylinder 1 injector -N30- (BGU) Cylinder 2 injector -N31- (BGU) Cylinder 3 injector -N32- (BGU) Cylinder 4 injector -N33- (BGU)
32	40	Glow plug 1 -Q10- (BDJ) Glow plug 2 -Q11-
33	15	Fuel pump -G6- (BCA, BGU)
33	40	Glow plug 3 -Q12- (BDJ) Glow plug 4 -Q13-
34	–	Not used
34	–	Not used
35	–	Not used
36	–	Not used
37	–	Not used
38	10	Headlight range control regulator -E102- Left headlamp levelling actuator -V48- Right headlamp levelling actuator -V49-
39	5	Oil level and oil temperature sensor -G266- Control unit in dash panel insert -J285-
40	20	Fuses on fuse holder C -SC- Fuse 1 on fuse holder -SC1- to -SC6- Fuse 9 on fuse holder -SC9- to -SC16- Fuse 25 on fuse holder -SC25- to -SC27-
41	–	Not used
42	5	Fuel pump relay -J17- (BCA, BGU)
42	10	Air mass meter -G70- (BJB)
43	–	Not used
44	–	Not used
45	15	Lambda probe -G39- (BGU) Lambda probe after catalytic converter -G130- (BGU)
46	–	Not used
47	40	Onboard supply control unit -J519- , left headlight
48	40	Onboard supply control unit -J519- , right headlight
49	–	Not used
50	–	Not used
51	40	Secondary air pump relay -J299- (BGU) Secondary air pump motor -V101-
51	50	Automatic glow period control module -J179- (BJB) Glow plug 1 -Q10- Glow plug 2 -Q11- Glow plug 3 -Q12- Glow plug 4 -Q13-
52	–	Not used
53	25	Driver door control unit -J386- Front passenger door control unit -J387-
54	50	Radiator fan control unit -J293- Radiator fan -V7- Right fan for coolant -V35- Radiator fan thermal switch -F18- Radiator fan -V7-

Passenger Comparment

Position of fuses on fuse holder C -SC-

Fuse box diagram

Assignment of the fuses in the engine compartment

No.	A	Function/component
1	–	Not used
2	5	Trailer detector control unit -J345-
3	5	Heater/heat output switch -E16- High pressure sender -G65-
4	–	Not used
5	–	Not used
6	–	Not used
7	5	Heated driver seat regulator -E94- Heated front passenger seat regulator -E95-
8	5	Left washer jet heater element -Z20- Right washer jet heater element -Z21-
9	5	Airbag control unit -J234- Front passenger side airbag deactivated warning lamp -K145-
10	5	Mobile telephone operating electronics control unit -J412-
11	10	Power steering control unit -J500-
12	–	Not used
13	–	Not used
14	5	Traction control system switch -E132- TCS and ESP button -E256- ABS control unit -J104-
15	10	Reversing light switch -F4- Auxiliary heater operation relay -J485- (from May 2004) Control unit with display for radio and navigation system -J503- (commercial equipment) T16 – Self-diagnosis connection (T16/1)
16	5	Data bus diagnostic interface -J533-
17	7.5	Left tail light and rear fog light bulb -M41- (models without central locking)
18	–	Not used
19	–	Not used
20	–	Not used
21	–	Not used
22	5	Remote control receiver for auxiliary coolant heater -R149-
23	10	Brake light switch -F- Left brake light bulb -M9- Right brake light bulb -M10- High level brake light bulb -M25- ABS control unit -J104-
24	10	Light switch -E1- Air conditioning system control unit -J301- 16-pin connector -T16- (self-diagnosis connection T16/16)
25	30	Heated driver seat control unit -J131- Heated front passenger seat control unit -J132-
26	10	J… – Engine control units
27	15	Rear window wiper motor -V12- (from May 2004)
28	5 20	Light switch -E1- (models with central locking) Fog light switch -E7- (models without central locking) Rear fog light switch -E18- (models without central locking)
29	15	Rear window wiper motor -V12- (up to April 2004)
30	25	Light switch -E1- (models without central locking) Fuse 37 on fuse holder C -SC37- Fuse 38 on fuse holder C -SC38-
31	15	Auxiliary heater operation relay -J485- (up to April 2004)
32	15	Washer pump -V5-
33	–	Not used
34	–	Not used
35	40	Fresh air blower -V2- Auxiliary heater operation relay -J485-
36	–	Not used
37	15	Right dipped beam bulb -M31- (models without central locking)
38	15	Left dipped beam bulb -M29- (models without central locking only)
39	–	Not used
40	20	Trailer detector control unit -J345-
41	20	Trailer socket -U10-
42	15 30	12 V socket -U5- (near handbrake lever) 12 V socket 2 -U18- (left luggage compartment)
43	15	Electric fuel pump 2 relay -J49- (BCA, BGU) Fuel pump relay -J17- (BDJ, BJB) Fuel system pressurisation pump -G6-
44	5	Interior monitoring sensor -G273- Vehicle inclination sender -G384- Alarm horn -H12-
45	5	Aerial selection control unit -J515-
46	7.5	Onboard supply control unit -J519- (Interior light)
47	25 30	Cigarette lighter -U1- Rear cigarette lighter -U9-
48	20	Headlight washer system relay -J39- Headlight washer system pump -V11-
49	10	Driver door control unit -J386- Front passenger door control unit -J387-
50	–	Not used
51	–	Not used
52	25	Fresh air blower relay -J13- Onboard supply control unit -J519-
53	25	Convenience system central control unit -J393-
54	–	Not used
55	–	Not used
56	–	Not used
57	–	Not used
58	–	Not used

There are also videos on this topic on our YouTube channel.

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Volkswagen Caddy (III; 2005 – 2007) – fuse and relay box diagram

Posted on 20 July 201826 August 2025 by admin

Volkswagen Caddy (III, 2005 – 2007) – fuse and relay box diagram

Year of production: 2005, 2006, 2007

In this article, we take a look at the third-generation

Volkswagen Caddy (2K) before its first facelift, produced between 2003 and 2010. You will find fuse box diagrams for the 2005–2008 models, along with details on the location of the fuse panels inside the vehicle and the assignment of each fuse (fuse layout).

Location

Fuses on fuse holder A -SA- (On the electronics box, on left in engine compartment)
Fuses on fuse holder B -SB- (On left in engine compartment)
Fuses on fuse holder C -SC- (Under left dash panel)

Engine Compartment

Fitting location of fuse holder A (A -SA-)

Fuse box diagram

Assignment of the fuses in the engine compartment (pre-fuse box)

No.	A	Function/component
1	150	Alternator -C- 90A / 110A
1	200	Alternator -C- 140A
2	80	Power steering control module -J500- Electromechanical power steering motor -V187-
3	50	Radiator fan control unit -J293- Radiator fan -V7- Right fan for coolant -V35- Radiator fan thermal switch -F18- Radiator fan -V7-
3	80	Radiator fan control unit -J293-¹⁾
4	50²⁾ 80³⁾	Onboard supply control unit -J519-²⁾ X-contact relief relay -J59-²⁾ Fuse 7 on fuse holder -SC7- Fuse 8 on fuse holder -SC8- Fuse 28 on fuse holder -SC28- to -SC33-
5	100	Not used (from May 2005 to November 2006) Fuses on fuse holder C -SC- (from November 2006) Fuse 20 on fuse holder -SC20- to -SC24- Fuse 42 on fuse holder -SC42- to -SC52- (up to April 2009) Fuse 42 on fuse holder -SC42- to -SC53- (from May 2009)
6	100	Fuses on fuse holder C -SC- (from May 2005 to November 2006) Fuse 20 on fuse holder -SC20- to -SC24- Fuse 42 on fuse holder -SC42- to -SC52- Not used (from November 2006) High heat output relay -J360- (from September 2007) Auxiliary air heater element -Z35-
6⁶⁾	50	Low heat output relay -J359-⁴⁾ Auxiliary air heater element -Z35-
7	50	Fuses on fuse holder C -SC- Fuse 39 on fuse holder -SC39- to -SC41-⁵⁾
7⁶⁾	100	High heat output relay -J360-⁵⁾ Auxiliary air heater element -Z35-
1) Only models with increased fan output 2) Only models with central locking 3) Only models without central locking 4) Only models with trailer coupling 5) Only models with auxiliary air heater (PTC) 6) from May 2008

Fitting location of E-box high fuse holder (B -SB-)

Fuse box diagram

Assignment of the fuses in the engine compartment (holder B)

No.	A	Function/component
1	–	Not used
2	15 5¹⁾	Steering column electronics control module -J527- Not used (from May 2008)
3	5	Onboard supply control unit -J519-
4	30	ABS Control Module -J104-
5	15	Mechatronics unit for dual clutch gearbox -J743-
6	5	Control unit in dash panel insert -J285- Steering column electronics control module -J527- (from May 2008)
7	40	Not used (up May 2008) Terminal 15 voltage supply relay 2 -J681- (from May 2008)
8	15	Control module with display for radio and navigation system -J503- Radio -R-
9	10 5¹⁾	Mobile telephone operating electronics control module -J412-
10	10	Motronic current supply relay -J271- (BUD, BSX) Term. 30 voltage supply relay -J317- (BDJ, BST, BLS, BSU, BJB, BCA, BMM) Motronic control module -J220- (BCA) Engine control module -J623- (BSX, BUD)
11	20	Auxiliary heater control unit -J364-
12	5	Data bus diagnostic interface -J533-
13	25 15¹⁾	Engine control module -J623- (BSX, BUD) Simos control module -J361- (BGU, BSE, BSF)
13	30	Diesel direct injection system control module -J248- (BDJ, BLS, BJB, BST, BSU, BMM) Motronic control module -J220- (BCA)
14	20	Ignition coil 1 with output stage -N70- (BCA, BSX, BUD) Ignition coil 2 with output stage -N127- (BCA, BSX, BUD) Ignition coil 3 with output stage -N291- (BCA, BSX, BUD) Ignition coil 4 with output stage -N292- (BCA, BSX, BUD) Ignition transformer -N152- (BGU, BSE, BSF, BSX)
15	5	Fuel pump relay -J17- (BDJ, BST, BLS, BSU, BJB, BMM) Glow plug relay -J52- (BDJ, BST) Automatic glow period control module -J179- (BLS, BSU, BJB, BMM)
15	10	Fuel pump switch-off relay -J333- (BSX) Cylinder 1 injector -N30- (BUD) Cylinder 2 injector -N31- (BUD) Cylinder 3 injector -N32- (BUD) Cylinder 4 injector -N33- (BUD) Gas injector 1 -N366- (BSX) Gas injector 2 -N367- (BSX) Gas injector 3 -N368- (BSX) Gas injector 4 -N369- (BSX)
16	30	ABS Control Module -J104-
17	20	Onboard supply control unit -J519- Signal horn relay -J413- Treble horn -H2- Bass horn -H7-
18	30	Special vehicle control unit -J608-
19	30	Windscreen wiper motor -V-
20	40	Glow plug 3 -Q12- (BDJ, BST) Glow plug 4 -Q13- (BDJ, BST)
21	10	Lambda probe heater -Z19- (BLS, BMM)
21	15	Lambda probe heater -Z19- (BGU, BSE, BSF, BCA, BSX, BUD) Lambda probe 1 heater after catalytic converter -Z29- (BGU, BSE, BSF, BCA, BSX, BUD)
22	5	Brake pedal switch -F47- (up to May 2006) Clutch position sender -G476-
23	5	Secondary air pump relay -J299- (BGU, BSE) Exhaust gas recirculation valve -N18- (BDJ, BST)
23	10	Exhaust gas recirculation valve -N18- (BJB, BSU) Charge pressure control solenoid valve -N75- (BJB, BLS, BSU, BMM) Exhaust gas recirculation cooler changeover valve -N345- (BJB, BLS, BSU, BMM) Tank shut-off valve 1 -N361- (BSX) Tank shut-off valve 2 -N362- (BSX) Tank shut-off valve 3 -N363- (BSX) High-pressure valve for gas operation -N372- (BSX) Tank shut-off valve 4 -N429- (BSX)
24	10	Exhaust gas recirculation valve -N18- (BCA) Cylinder 1 injector -N30- (BSX) Cylinder 2 injector -N31- (BSX) Cylinder 3 injector -N32- (BSX) Cylinder 4 injector -N33- (BSX) Activated charcoal filter solenoid valve 1 -N80- (BCA, BGU, BSE, BSF, BUD) Variable intake manifold changeover valve -N156- (BGU, BSE, BSF) Intake manifold flap motor -V157- (BDJ, BST) Radiator fan control unit -J293- Protective resistor -N235-
25	40	Onboard supply control unit -J519- , right headlight
26	40	Onboard supply control unit -J519- , left headlight
27	40	Secondary air pump relay -J299- (BGU, BSE) Secondary air pump motor -V101- Glow plug 1 -Q10- (BDJ, BST) Glow plug 2 -Q11- (BDJ, BST)
27	50	Automatic glow period control module -J179- (BJB, BLS, BSU, BMM) Glow plug 1 -Q10- Glow plug 2 -Q11- Glow plug 3 -Q12- Glow plug 4 -Q13-
28	40	Terminal 15 voltage supply relay 2 -J681-
29	30	Driver door control unit -J386- (only models with electric window regulators) Front passenger door control unit -J387- (only models with electric window regulators)
30	30	Fuses on fuse holder C -SC- (special-purpose vehicles) Fuse 18 on fuse holder -SC18- Fuse 19 on fuse holder -SC19- Fuse 36 on fuse holder -SC36- Fuse 53 on fuse holder -SC53- to -SC56-
30	50	Low heat output relay -J358- (from September 2007) Auxiliary air heater element -Z35-
1) from May 2007

Passenger Comparment

Position of fuses on fuse holder C -SC-

Fuse box diagram

Assignment of the fuses in the passenger compartment (holder C)

No.	A	Function/component
1	– 10	Not used (applicable up to May 2006) 10-pin connector -T10c- (from November 2006; for models with electric interface only)
1	10 15¹⁾	2-way radio switch -E72- (applies to special vehicles only) Engine continues to run without key button -E489- (applies to special vehicles only) Special vehicle control unit -J608- (up November 2006; applies to special vehicles only) 4-pin connector -T4g- (applies to special vehicles only)
2	5	Fuel pump relay -J17- (BCA, BGU, BSE, BSF, BUD, BSX) Terminal 15 voltage supply relay -J329- (BGU, BSE, BSF, BUD, BSX) Data bus diagnostic interface -J533- Engine control unit -J623-
3	5	Headlight range control regulator -E102- Left headlight range control motor -V48- Right headlight range control motor -V49- Traction control system switch -E132- (from November 2006) TCS and ESP button -E256- (from November 2006) Selector lever -E313- (from November 2006; only models with direct shift gearbox) Brake light switch -F- (from November 2006) ABS control unit -J104- (from November 2006) Trailer detector control unit -J345- (from November 2006) Power steering control unit -J500- (from November 2006; only models with power steering) Selector lever sensors control unit -J587- (from November 2006; only models with direct shift gearbox) Mechatronic unit for dual clutch gearbox -J743- (from November 2006; only models with direct shift gearbox)
4	5	Mobile telephone operating electronics control unit -J412- (only models with telephone)
5	15	Air mass meter -G70- (BLS, BSU, BJB, BDJ, BST) Heater element for crankcase breather -N79- (BCA, BGU, BSE, BSF, BUD, BLS, BSU, BJB) Reversing light switch -F4- (from November 2006) Auxiliary heater operation relay -J485- (from November 2006; only models with auxiliary coolant heater) 16-pin connector -T16- (from November 2006; self-diagnosis connection)
5	10	Heater element for crankcase breather -N79- (BSX) Activated charcoal filter system solenoid valve 1 -N80- (BSX) 16-pin connector -T16- (from November 2006; self-diagnosis connection) Reversing light switch -F4- (from November 2006) Auxiliary heater operation relay -J485- (from November 2006; only models with auxiliary coolant heater)
6	5	Airbag control unit -J234- Front passenger side airbag deactivated warning lamp -K145-
7	5	Heater/heat output switch -E16- (only models with seat heating and without central locking) Air conditioning system control unit -J301- (only models with seat heating and without central locking) Not used (from November 2006)
8	5	Left washer jet heater element -Z20- (only models without central locking) Right washer jet heater element -Z21- (only models without central locking) Not used (from November 2006)
9	10	Power steering control unit -J500- (only models with power steering) Not used (from November 2006)
10	10	Reversing light switch -F4- Auxiliary heater operation relay -J485- (only models with auxiliary coolant heater) 16-pin connector -T16- (self-diagnosis connection) Not used (from November 2006)
11	–	Not used (applicable up to May 2006)
11	10	2-pin connector -T2ab- (applies to special vehicles only, applicable from June 2006)
12	–	Not used (applicable up to May 2006)
12	5	Interior light switch (taxi) -E115- (only taxi) Taxi sign switch -E138- (only taxi) Hands-free system button -E487- (only taxi) Taxi meter -G41- (only taxi)
12	10	2-pin connector -T2ac- (applies to special vehicles only) 28-pin connector -T28a- (applies to special vehicles only)
13	5	Trailer detector control unit -J345- (only models with trailer operation and without central locking) Not used (from November 2006)
14	5	Traction control system switch -E132- TCS and ESP button -E256- ABS control unit -J104- Brake light switch -F- (applicable from June 2006) Not used (from November 2006)
15	5	Selector lever -E313- (only models with direct shift gearbox) Selector lever sensors control unit -J587- (only models with direct shift gearbox) Mechatronic unit for dual clutch gearbox -J743- (only models with direct shift gearbox) Not used (from November 2006)
16	5	Heater/heat output switch -E16- (only models without air conditioning system) High pressure sender -G65- (only models with air conditioning system) Oil level and oil temperature sender -G266- (only for models with flexible service interval display) Control unit in dash panel insert -J285-
17	7.5	Left tail light and rear fog light bulb -M41- (models without central locking) Rear fog light cut-out contact switch -F216- (only models with trailer operation and without central locking)
18	5	Not used (applicable up to May 2006) Taxi alarm remote control, control unit -J601- (only taxi, applicable from June 2006) 10-pin connector -T10c- (for models with electric interface only) (from November 2006)
19	5	Not used (applicable up to May 2006) 10-pin connector -T10c- (for models without electric interface only, applicable from June 2006)
19	10	Taxi meter -G41- (only taxi, applicable from June 2006) Two-way radio -R8- (only taxi, applicable from June 2006)
20	5	Automatic gearbox control unit -J217-
20	10	10-pin connector -T10c- (from November 2006; for models with electric interface only)
21	5 10¹⁾	Selector lever -E313- (only models with direct shift gearbox) Selector lever sensors control unit -J587- (only models with direct shift gearbox) Tiptronic switch -F189- (from November 2006; only models with direct shift gearbox) Automatic gearbox control unit -J217- (from November 2006) 16-pin connector -T16- (from November 2006; self-diagnosis connection) Light switch -E1- (from November 2006) Heater/heat output switch -E16- (from November 2006) Air conditioning system control unit -J301- (from November 2006) Remote control receiver for auxiliary coolant heater -R149- (from November 2006; only models with remote control receiver for auxiliary coolant heater)
22	5	Remote control receiver for auxiliary coolant heater -R149- (only models with remote control receiver for auxiliary coolant heater) Not used (from November 2006)
23	10	Brake light switch -F- (applicable up to May 2006)
23	10	3-pin connector -T3r- (applies to special vehicles only, applicable from June 2006)
24	10 5¹⁾	Light switch -E1- (up November 2006) Heater/heat output switch -E16- (up November 2006) Air conditioning system control unit -J301- (up November 2006) 16-pin connector -T16- (up November 2006; self-diagnosis connection) Interior monitoring sensor -G273- (from November 2006) Vehicle inclination sender -G384- (from November 2006) Alarm horn -H12- (from November 2006)
25	–	Not used
26	20	Injector, cylinder 1 -N30- (BCA, BGU, BSE, BSF, BUD) Injector, cylinder 2 -N31- (BCA, BGU, BSE, BSF, BUD) Injector, cylinder 3 -N32- (BCA, BGU, BSE, BSF, BUD) Injector, cylinder 4 -N33- (BCA, BGU, BSE, BSF, BUD)
27	20	Not used (up November 2006) Automatic gearbox control unit -J217- , under front left wheel housing liner (from November 2006)
28	5	Light switch -E1- (models with central locking)
28	20	Rear fog light switch -E18- (from November 2006; only models without central locking)
29	15	Rear window wiper motor -V12- (models with rear window wiper only)
30	5	Heater/heat output switch -E16- (only models with seat heating and central locking) Air conditioning system control unit -J301- (only models with seat heating and central locking)
30	25	Light switch -E1- (only models without central locking)
31	15	Onboard supply control unit -J519-
32	5	Left washer jet heater element -Z20- (only models with central locking) Right washer jet heater element -Z21- (only models with central locking)
33	40	Heater/heat output switch -E16- Air conditioning system control unit -J301- Auxiliary heater operation relay -J485- (only models without auxiliary coolant heater)
34	–	Not used
35	–	Not used
36	–	Not used (applicable up to May 2006)
36	20	10-pin connector -T10ai- (applies to special vehicles only, applicable from June 2006)
37	15	Right dipped beam bulb -M31- (models without central locking)
38	15	Left dipped beam bulb -M29- (models without central locking only)
38	10	Fluorescent light in rear of high roof -W41- (applies to special vehicles only, applicable from June 2006) Fluorescent light in centre of high roof -W42- (applies to special vehicles only, applicable from June 2006)
39	–	Not used
40	20	Trailer detector control unit -J345-
41	20	Trailer socket -U10-
42	15	12 V socket -U5- (without 12 V socket, in luggage compartment)
42	30	12 V socket -U5- (near handbrake lever) 12 V socket 2 -U18- (left luggage compartment)
43	15	Electric fuel pump 2 relay -J49- (BCA, BGU, BSE, BSF, BUD, BSX) Fuel pump relay -J17- (BDJ, BJB, BLS, BSU, BJB, BSE, BSF, BUD, BSX)
44	5	Interior monitoring sensor -G273- Vehicle inclination sender -G384- Alarm horn -H12- Not used (from November 2006)
45	5	Aerial selection control unit -J515- (applicable up to May 2006)
45	20	Headlight washer system relay -J39- (from November 2006; only models with headlight washer system) Headlight washer system pump -V11- (from November 2006; only models with headlight washer system)
45	30	10-pin connector -T10ai- (applies to special vehicles only, applicable from June 2006)
46	7.5	Onboard supply control unit -J519- (Interior light)
47	25	Cigarette lighter -U1-
48	20	Headlight washer system relay -J39- (up November 2006) Headlight washer system pump -V11- (up November 2006)
48	30	Heated front seats control unit -J774- (from November 2006; only models with lateral support heater)
49	10	Driver door control unit -J386- (only models with central locking) Front passenger door control unit -J387- (only models with central locking)
50	25	Convenience system central control unit -J393-
51	30	Heated driver seat control unit -J131- (up November 2006) Heated front passenger seat control unit -J132- (up November 2006) Heated front seats control unit -J774-
52	25	Fresh air blower relay -J13- (only models with auxiliary heater) Onboard supply control unit -J519- Heated rear window -Z1-
53	–	Not used
54	–	Not used
55	–	Not used
56	–	Not used
57	5	Not used (applicable up to May 2006) Accident data memory -J754- (applies to special vehicles only, applicable from June 2006) 10-pin connector -T10c- (from November 2006; for models with electric interface only)
58	10	Not used (applicable up to May 2006) 4-pin connector -T4g- (applies to special vehicles only, applicable from June 2006)
1) from November 2006

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Volkswagen Caddy (III; 2008 – 2010) – fuse and relay box diagram

Posted on 20 July 201827 August 2025 by admin

Volkswagen Caddy (III; 2008 – 2010) – fuse and relay box diagram

Year of production: 2008, 2009, 2010

In this article, we take a look at the third-generation Volkswagen Caddy (2K) before its first facelift, produced between 2003 and 2010. You will find fuse box diagrams for the 2008 – 2010 models, along with details on the location of the fuse panels inside the vehicle and the assignment of each fuse (fuse layout).

Location

Fuses on fuse holder A -SA- (On the electronics box, on left in engine compartment)
Fuses on fuse holder B -SB- (On left in engine compartment)
Fuses on fuse holder C -SC- (Under left dash panel)

Engine Compartment

Fitting location of fuse holder A (A -SA-)

Fuse box diagram

Assignment of the fuses in the engine compartment (pre-fuse box)

No.	A	Function/component
1	150	Alternator -C- 90A / 110A
1	200	Alternator -C- 140A
2	80	Power steering control module -J500- Electromechanical power steering motor -V187-
3	50	Radiator fan control unit -J293- Radiator fan -V7- Right fan for coolant -V35- Radiator fan thermal switch -F18- Radiator fan -V7-
4	50²⁾ 80³⁾	Onboard supply control unit -J519-²⁾ X-contact relief relay -J59-²⁾ Fuse 7 on fuse holder -SC7- Fuse 8 on fuse holder -SC8- Fuse 28 on fuse holder -SC28- to -SC33-
5	100	Fuses on fuse holder C -SC- Fuse 20 on fuse holder -SC20- to -SC24- Fuse 42 on fuse holder -SC42- to -SC52-
6	40	Low heat output relay -J359-⁴⁾ Auxiliary air heater element -Z35-
7	80	High heat output relay -J360-⁴⁾ Auxiliary air heater element -Z35-
1) Only models with continuously variable radiator fan 2) Only models with central locking 3) Only models without central locking 4) Only models with auxiliary air heater (PTC)

Fitting location of E-box high fuse holder (B -SB-)

Fuse box diagram

Assignment of the fuses in the engine compartment (holder B)

No.	A	Function/component
1	–	Not used
2	–	Not used
3	5	Onboard supply control unit -J519-
4	30	ABS Control Module -J104-
5	15	Mechatronics unit for dual clutch gearbox -J743-
6	–	Not used
7	40	Terminal 15 voltage supply relay 2 -J681-
8	15	Control module with display for radio and navigation system -J503- Radio -R-
9	5	Mobile telephone operating electronics control module -J412- Not used (from May 2009)
10	10	Motronic current supply relay -J271- (BUD, BSX) Term. 30 voltage supply relay -J317- (BDJ, BST, BLS, BMM, BSU, BJB) Engine control module -J623- (BSX, BUD)
11	20	Auxiliary heater control unit -J364-
12	5	Data bus diagnostic interface -J533- Not used (from May 2009)
13	15	Engine control module -J623- (BSX, BUD) Simos control module -J361- (BSE, BSF)
13	30	Diesel direct injection system control module -J248- (BDJ, BJB, BLS, BMM, BST, BSU)
14	20	Ignition coil 1 with output stage -N70- (BSX, BUD) Ignition coil 2 with output stage -N127- (BSX, BUD) Ignition coil 3 with output stage -N291- (BSX, BUD) Ignition coil 4 with output stage -N292- (BSX, BUD) Ignition transformer -N152- (BSE, BSF, BSX)
15	5	Fuel pump relay -J17- (BDJ, BJB, BLS, BMM, BST, BSU) Glow plug relay -J52- (BDJ, BST) Automatic glow period control module -J179- (BJB, BLS, BMM, BSU)
15	10	Fuel pump switch-off relay -J333- (BSX) Cylinder 1 injector -N30- (BUD) Cylinder 2 injector -N31- (BUD) Cylinder 3 injector -N32- (BUD) Cylinder 4 injector -N33- (BUD) Gas injector 1 -N366- (BSX) Gas injector 2 -N367- (BSX) Gas injector 3 -N368- (BSX) Gas injector 4 -N369- (BSX)
16	30	Onboard supply control unit -J519- , right headlight
17	–	Not used
18	30	Special vehicle control unit -J608-
19	30	Windscreen wiper motor -V-
20	40	Glow plug 3 -Q12- (BDJ, BST) Glow plug 4 -Q13- (BDJ, BST)
20	10	Tank shut-off valve 1 -N361- (BSX) (from May 2009) Tank shut-off valve 2 -N362- (BSX) (from May 2009) Tank shut-off valve 3 -N363- (BSX) (from May 2009) Tank shut-off valve 4 -N429- (BSX) (from May 2009) Tank shut-off valve 5 -N430- (BSX) (from May 2009)
21	10	Lambda probe heater -Z19- (BLS, BMM)
21	15	Lambda probe heater -Z19- (BSE, BSF, BSX, BUD) Lambda probe 1 heater after catalytic converter -Z29- (BSE, BSF, BSX, BUD)
22	5	Clutch position sender -G476-
23	5	Secondary air pump relay -J299- (BSE) Exhaust gas recirculation valve -N18- (BDJ, BST)
23	10	Exhaust gas recirculation valve -N18- (BJB, BSU) Charge pressure control solenoid valve -N75- (BJB, BLS, BMM, BSU) Exhaust gas recirculation cooler changeover valve -N345- (BJB, BLS, BMM, BSU) Tank shut-off valve 1 -N361- (BSX) (up May 2009) Tank shut-off valve 2 -N362- (BSX) (up May 2009) Tank shut-off valve 3 -N363- (BSX) (up May 2009) High-pressure valve for gas operation -N372- (BSX) Tank shut-off valve 4 -N429- (BSX) (up May 2009)
24	10	Cylinder 1 injector -N30- (BSX) Cylinder 2 injector -N31- (BSX) Cylinder 3 injector -N32- (BSX) Cylinder 4 injector -N33- (BSX) Activated charcoal filter solenoid valve 1 -N80- (BSE, BSF, BUD) Variable intake manifold changeover valve -N156- (BSE, BSF) Intake manifold flap motor -V157- (BDJ, BST) Radiator fan control unit -J293- Protective resistor -N235-
25	40	ABS Control Module -J104-
26	40	Onboard supply control unit -J519- , left headlight
27	40	Secondary air pump relay -J299- ( BSE) Secondary air pump motor -V101- Glow plug 1 -Q10- (BDJ, BST) Glow plug 2 -Q11- (BDJ, BST)
27	50	Automatic glow period control module -J179- (BJB, BLS, BMM, BSU) Glow plug 1 -Q10- Glow plug 2 -Q11- Glow plug 3 -Q12- Glow plug 4 -Q13-
28	–	Not used
29	30	Fuses on fuse holder C -SC- (special-purpose vehicles) Fuse 18 on fuse holder -SC18- Fuse 19 on fuse holder -SC19- Fuse 35 on fuse holder -SC35- to -SC39- Fuse 57 on fuse holder -SC57- Fuse 58 on fuse holder -SC58-
30	50	Fuses on fuse holder C -SC- (only with trailer coupling) (up May 2009) Fuse 39 on fuse holder -SC39- to -SC41- Fuses on fuse holder C -SC- (only with trailer coupling) (from May 2009) Fuse 40 on fuse holder -SC40- to -SC42-

Passenger Comparment

Position of fuses on fuse holder C -SC-

Fuse box diagram

Assignment of the fuses in the passenger compartment (holder C)

No.	A	Function/component
1	–	Not used
2	–	Not used
3	–	Not used
4	–	Not used
5	–	Not used
6	–	Not used
7	–	Not used
8	–	Not used
9	10	4-pin connector -T4g- (applies to special vehicles only) 10-pin connector -T10c- (for models with electric interface only)
10	5	Fuel pump relay -J17- (BSE, BSF, BUD, BSX) Terminal 15 voltage supply relay -J329- (BSE, BSF) Data bus diagnostic interface -J533- Engine control unit -J623-
11	5	Parking aid control unit -J446- (only models with parking aid)
12	5	Taxi meter -G41- (only taxi) Mirror taxi meter -G511- (only taxi)
12	10	2-pin connector -T2ac- (applies to special vehicles only) 28-pin connector -T28a- (applies to special vehicles only)
13	5	Headlight range control regulator -E102- Left headlight range control motor -V48- Right headlight range control motor -V49- Traction control system switch -E132- TCS and ESP button -E256- Selector lever -E313- (only models with direct shift gearbox) Brake light switch -F- Brake light relay -J111- (only models without central locking) ABS control unit -J104- Trailer detector control unit -J345- Power steering control unit -J500- (only models with power steering) Selector lever sensors control unit -J587- (only models with direct shift gearbox) Mechatronic unit for dual clutch gearbox -J743- (only models with direct shift gearbox) Four-wheel drive control unit -J492-
14	5	Air mass meter -G70- (BLS, BSU, BJB, BDJ, BST, BMM, CHWA) Heater element for crankcase breather -N79- (BSE, BSF, BLS, BSU, BJB, BSX, BMM, CHWA) Reversing light switch -F4- Auxiliary heater operation relay -J485- (only models with auxiliary coolant heater) Activated charcoal filter system solenoid valve 1 -N80- (BSX) 16-pin connector -T16- (self-diagnosis connection)
15	5	Airbag control unit -J234- Front passenger side airbag deactivated warning lamp -K145-
16	5	Heater/heat output switch -E16- (only models without air conditioning system) High pressure sender -G65- (only models with air conditioning system) Oil level and oil temperature sender -G266- (only for models with flexible service interval display) Climatronic control unit -J255- (only models with Climatronic) Control unit in dash panel insert -J285- Low heat output relay -J359- (only models with PTC (Positive Temperature Coefficient) heater) High heat output relay -J360- (only models with PTC (Positive Temperature Coefficient) heater) Automatic anti-dazzle interior mirror -Y7- Air quality sensor -G238- (only models with Climatronic)
17	7.5	Left tail light and rear fog light bulb -M41- (models without central locking) Rear fog light cut-out contact switch -F216- (only models with trailer operation and without central locking)
18	5	Taxi alarm remote control, control unit -J601- (only taxi) 10-pin connector -T10c- (for models with electric interface only)
19	5	10-pin connector -T10c- (for models with electric interface only)
19	10	Taxi meter -G41- (only taxi) Mirror taxi meter -G511- (only taxi) Two-way radio -R8- (only taxi)
20	7.5	Onboard supply control unit -J519- (Interior light)
21	10	Selector lever -E313- (only models with direct shift gearbox) Selector lever sensors control unit -J587- (only models with direct shift gearbox) Tiptronic switch -F189- (only models with direct shift gearbox) Automatic gearbox control unit -J217- 16-pin connector -T16- (self-diagnosis connection) Climatronic control unit -J255- (only models with Climatronic) Heater/heat output switch -E16- Air conditioning system control unit -J301- Remote control receiver for auxiliary coolant heater -R149- (only models with remote control receiver for auxiliary coolant heater) Light switch -E1- Rain and light detector sensor -G397- (models with rain and light detector sensor only) Control unit in dash panel insert -J285- Steering column electronics control unit -J527- Data bus diagnostic interface -J533-
22	10	Driver door control unit -J386- Front passenger door control unit -J387-
23	5	Interior light switch (taxi) -E115- (only taxi) Taxi sign switch -E138- (only taxi) Hands-free system button -E487- (only taxi)
23	10	3-pin connector -T3r- (applies to special vehicles only) 10-pin connector -T10c- (for models with electric interface only)
24	5	Interior monitoring sensor -G273- Vehicle inclination sender -G384- Alarm horn -H12-
25	–	Not used
26	10	2-pin connector -T2ab- (applies to special vehicles only)
27	15	Cut-out relay for air conditioning system magnetic coupling -J246- (only for models with hydraulic steering)
28	5	Light switch -E1- (models with central locking)
28	20	Rear fog light switch -E18- (only models without central locking)
29	15	Rear window wiper motor -V12- (models with rear window wiper only)
30	25	Light switch -E1- (only models without central locking)
31	5	Heater/heat output switch -E16- (only models without air conditioning system) Air conditioning system control unit -J301- (only models with air conditioning system) Climatronic control unit -J255- (only models with air conditioning system)Left washer jet heater element -Z20- Right washer jet heater element -Z21-
32	15	Windscreen and rear window washer pump -V59-
33	40	Heater/heat output switch -E16- Air conditioning system control unit -J301- Auxiliary heater operation relay -J485- (only models with auxiliary coolant heater)
34	–	Not used
35	10	Fluorescent light in rear of high roof -W41- (applies to special vehicles only) Fluorescent light in centre of high roof -W42- (applies to special vehicles only)
36	–	Not used
37	15	Right dipped beam bulb -M31- (models without central locking)
38	15	Left dipped beam bulb -M29- (models without central locking only)
39	20	10-pin connector -T10ai- (applies to special vehicles only)
40	20	Trailer detector control unit -J345-
41	20	Trailer detector control unit -J345-
42	20	Trailer detector control unit -J345-
43	15	Electric fuel pump 2 relay -J49- (BSE, BSF, BUD, BSX) Fuel pump relay -J17- (BDJ, BST, BLS, BSU, BJB, BSE, BSF, BUD, BSX, BMM)
44	40	Fresh air blower control unit -J126-
45	20	Headlight washer system relay -J39- (only models with headlight washer system) Headlight washer system pump -V11- (only models with headlight washer system)
46	15	Treble tone horn -H2- Bass tone horn -H7- Horn relay -J413-
47	25	Cigarette lighter -U1-
48	30	Heated front seats control unit -J774-
49	30	Driver door control unit -J386- (only for model with electric window regulator) Front passenger door control unit -J387- (only for model with electric window regulator)
50	25	Convenience system central control unit -J393-
51	30	10-pin connector -T10ai- (applies to special vehicles only)
52	25	Fresh air blower relay -J13- (only models with auxiliary heater) Onboard supply control unit -J519- Heated rear window -Z1-
53	15	12 V socket -U5- (near handbrake lever)
53	30	12 V socket -U5- (near handbrake lever) 12 V socket 2 -U18- (left luggage compartment)
54	–	Not used
55	–	Not used
56	–	Not used
57	5	2-way radio switch -E72- (applies to special vehicles only) Engine continues to run without key button -E489- (applies to special vehicles only) Accident data memory -J754- (applies to special vehicles only) 10-pin connector -T10c- (for models with electric interface only)
58	10	4-pin connector -T4g- (applies to special vehicles only)
59	–	Not used
60	–	Not used

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Volkswagen Caddy (III; 2010 – 2015) – fuse and relay box diagram

Posted on 20 July 201827 August 2025 by admin

Volkswagen Caddy (III; 2010 – 2015) – fuse and relay box diagram

Year of production: 2010, 2011, 2012, 2013, 2014, 2015

In this article, we take a look at the third-generation Volkswagen Caddy (2K) before its first facelift, produced between 2003 and 2010. You will find fuse box diagrams for the 2010 – 2015 models, along with details on the location of the fuse panels inside the vehicle and the assignment of each fuse (fuse layout).

Location

Fuses on fuse holder A -SA- (On the electronics box, on left in engine compartment)
Fuses on fuse holder B -SB- (On left in engine compartment)
Fuses on fuse holder C -SC- (Under left dash panel)

Engine Compartment

Fitting location of fuse holder A (A -SA-)

Fuse box diagram

Assignment of the fuses in the engine compartment (pre-fuse box)

No.

Function/component

150

Alternator -C-

200

Alternator -C-¹⁾

Power steering control unit -J500-
Electromechanical power steering motor -V187-

Radiator fan control unit -J293-

X-contact relief relay -J59-

t	Fuse holder C -SC- (-SC28- up to -SC33- )

Fuse holder C -SC- (-SC20- up to -SC24- and -SC43- up to -SC53- )

Low heat output relay -J359-

High heat output relay -J360-

1) Models with 140 A generator only

Fitting location of E-box high fuse holder (B -SB-)

Fuse box diagram

Assignment of the fuses in the engine compartment (holder B)

No.	A	Function/component
1	–	–
2	30	Mechatronic unit for dual clutch gearbox -J743-
3	5	Battery monitoring control unit -J367- Onboard supply control unit -J519- (T52a/24)
4	20	ABS control unit -J104- ABS hydraulic unit -N55-
5	15	Mechatronic unit for dual clutch gearbox -J743-
6	5	Control unit in dash panel insert -J285- Steering column electronics control unit -J527-
7	40	Terminal 15 voltage supply relay -J329- Fuse holder C -SC- (-SC9- up to -SC16- and -SC25- up to -SC27- )
8	15	Control unit with display for radio and navigation -J503- Radio -R- Voltage stabiliser -J532-³⁾ Control module with display unit for radio and navigation system -J503- Radio -R- Fuse 57 on fuse holder C -SC57- Fuse 58 on fuse holder C -SC58-
9	5	Mobile telephone operating electronics control unit -J412-⁴⁾
10	5	Main relay -J271- Engine control unit -J623- Engine component current supply relay -J757-
11	30	Auxiliary heater control unit -J364-
12	5	Data bus diagnostic interface -J533-
13	15	Engine control unit -J623- (petrol engine)
	30	Engine control unit -J623- (diesel engine)
14	15	Fuel pressure regulating valve -N276- (diesel engine) Fuel metering valve -N290- (diesel engine)
	20	Ignition transformer -N152- Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292-
15	5	Low heat output relay -J359- (diesel engine) High heat output relay -J360- (diesel engine) Fuel pump relay -N17- Electric fuel pump 2 relay -J49- Automatic glow period control unit -J179-
	10	Lambda probe heater -Z19- Lambda probe 1 heater after catalytic converter -Z29- Low heat output relay -J359- High heat output relay -J360- Fuel pump switch-off relay -J333-²⁾ Gas injection valve 1 -N366-¹⁾ Gas injection valve 2 -N367-¹⁾ Gas injection valve 3 -N368-¹⁾ Gas injection valve 4 -N369-¹⁾
	15	High-pressure valve for gas mode -N372-²⁾ Valve for gas tank -N495-²⁾ Sensor for gas level gauge -G707-²⁾ Gas injection valve 1 -N366-²⁾ Gas injection valve 2 -N367-²⁾ Gas injection valve 3 -N368-²⁾ Gas injection valve 4 -N369-²⁾
16	30	Onboard supply control unit -J519- (T52c/42) Light bulb for right foglamp -L23- Right cornering light bulb -L149- Rear left fog light bulb -L46- , or rear right fog light bulb -L47- Right daytime running light bulb -L175- Left side light bulb -M1- Right tail light bulb -M2- Rear left turn signal bulb -M6- Front right turn signal bulb -M7- Left brake light bulb -M9- Right reversing light bulb -M17- Left turn signal repeater bulb -M18- High-mounted brake light bulb -M25- Right headlight dipped beam bulb -M31- Right headlight main beam bulb -M32-
17	15	Horn relay -J413-
18	30	Special vehicle control unit -J608-
19	30	Wiper motor control unit -J400-
20	10	Fuel tank shut-off valve 1 -N361-¹⁾ Fuel tank shut-off valve 2 -N362-¹⁾ Fuel tank shut-off valve 3 -N363-¹⁾ Fuel tank shut-off valve 4 -N429-¹⁾ Fuel tank shut-off valve 5 -N430-¹⁾ Coolant circulation pump -V50-
21	10	Lambda probe heater -Z19- (diesel engine)
	15	Fuel pump control unit -J538- Lambda probe heater -Z19- Lambda probe 1 heater after catalytic converter -Z29-
22	5	Clutch position sender -G476- Brake light switch -F-⁵⁾
23	5	Additional coolant pump relay -J496-
	10	Air mass meter -G70- (Diesel engine) Charge pressure control solenoid valve -N75- (Diesel engine) Exhaust gas recirculation cooler changeover valve -N345- (Diesel engine) Control unit for gas mode -J659- Relay for gas shut-off valves -J908-¹⁾ High-pressure valve for gas mode -N372-¹⁾
	15	Fuel pressure regulating valve -N276-
24	10	Radiator fan control unit -J293- Secondary air pump relay -J299- Additional coolant pump relay -J496- Activated charcoal filter solenoid valve 1 -N80- Coolant regulating valve -N515- Variable intake manifold changeover valve -N156- Coolant circulation pump 2 -V178- Injector, cylinder 1 -N30-¹⁾ Injector, cylinder 2 -N31-¹⁾ Injector, cylinder 3 -N32-¹⁾ Injector, cylinder 4 -N33-¹⁾
25	40	ABS hydraulic pump -V64- ABS control unit -J104-
26	30	Onboard supply control unit -J519- (T52a/1) Left cornering light bulb -L148- Left fog light bulb -L22- Rear left fog light bulb -L46- , or rear right fog light bulb -L47- Left daytime running light bulb -L174- Right side light bulb -M3- Left tail light bulb -M4- Front left turn signal bulb -M5- Rear right turn signal bulb -M8- Right brake light bulb -M10- Left reversing light bulb -M16- Right turn signal repeater bulb -M19- Left headlight dipped beam bulb -M29- Left headlight main beam bulb -M30-
27	40	Secondary air pump motor -V101-
	50	Automatic glow period control unit -J179-
28	–	–
29	30	Fuse 18 on fuse holder C -SC18- Fuse 19 on fuse holder C -SC19-
	50	Fuse 35 on fuse holder C -SC35- Fuse 39 on fuse holder C -SC39- Fuse 54 on fuse holder C -SC54- Fuse 55 on fuse holder C -SC55- Fuse 59 on fuse holder C -SC59- Fuse 60 on fuse holder C -SC60-
30	50	Fuse holder C -SC- (-SC40- up to -SC42- )
1) for vehicles with engine code BSX only 2) for vehicles with engine code CHGA only 3) for vehicles with start/stop system only 4) for vehicles without start/stop system only 5) effective since November 2011

Passenger Comparment

Position of fuses on fuse holder C -SC-

Fuse box diagram

Assignment of the fuses in the passenger compartment (holder C)

No.	A	Function/component
1	–	–
2	–	–
3	–	–
4	–	–
5	–	–
6	–	–
7	–	–
8	–	–
9	10	-Special vehicles- 4-pin connector -T4aa- , Pin 1 ³⁾ 10-pin connector -T10l- , Pin 4 (Interface for special functions)
10	5	Fuel pump relay -J17- Main relay -J271- Gas mode control unit -J659- Terminal 50 voltage supply relay -J682- Starter relay 1 -J906- Voltage stabiliser -J532- Data bus diagnostic interface -J533- Engine control unit -J623-
11	5	Parking aid control unit -J446- Park assist steering control unit -J791-
12	5	-Special vehicles- Taximeter -G41- Mirror taximeter -G511-
	10³⁾	-Special vehicles-³⁾ 2-pin connector -T2ab- , Pin 1 2-pin connector -T2ac- , Pin 1 28-pin connector -T28b- , Pin 13
	20⁴⁾	-Special vehicles-⁴⁾ 8-pin connector -T8k- , Pin 8 28-pin connector -T28a- , Pin 20 28-pin connector -T28b- , Pin 20
13	7.5	Brake light switch -F-³⁾ Headlight range control adjuster -E102- TCS and ESP button -E256- Tyre pressure monitor display button -E492- Start/Stop operation button -E693- ABS control unit -J104- Trailer detector control unit -J345- All-wheel drive control unit -J492- Power steering control unit -J500- Selector lever sensors control unit -J587- Mechatronic unit for dual clutch gearbox -J743- Left headlight range control motor -V48- Right headlight range control motor -V49- Control unit for cornering light and headlight range control -J745-
14	10	Reversing light switch -F4- Air mass meter -G70- Auxiliary heater operation relay -J485- Control unit in dash panel insert -J285- Heater element for crankcase breather -N79- Activated charcoal filter solenoid valve 1 -N80- Diagnostic connection -U31-16-pin connector -T16- , Pin 1
15	5	Airbag control unit -J234- Front passenger side airbag deactivated warning lamp -K145-
16	5	Light switch -E1- Heater/heat output switch -E16- High-pressure sender -G65- Air quality sensor -G238- Oil level and oil temperature sender -G266- Automatic anti-dazzle interior mirror -Y7-
17	–	–
18	10	-Special vehicles- Taxi alarm remote control control unit -J601-
	10	-Special vehicles- 10-pin connector -T10l- , Pin 6 (Interface for special functions)
19	10	-Special vehicles- Taximeter -G41- Mirror taximeter -G511- Taxi alarm remote control control unit -J601- Two-way radio -R8- Printer -R98-
	10	-Special vehicles- 10-pin connector -T10l- , Pin 7 (Interface for special functions)
20	20	Cigarette lighter -U1-⁷⁾
21	10	Light switch -E1- Heater/heat output switch -E16- Rain and light sensor -G397- Heated rear window relay -J9- Climatronic control unit -J255- Air conditioning system control unit -J301- Horn relay -J413- Remote control receiver for auxiliary coolant heater -R149- Selector lever sensors control unit -J587- Diagnostic connection -U31-16-pin connector -T16- , Pin 16 Switch for interior lighting -E599- (Camper) Rear interior light -W43- (Camper)
22	10	Onboard supply control unit -J519- (T52b/42) ²⁾
23	5	-Special vehicles- Interior light switch (taxi) -E115- Taxi sign switch -E138- 10-pin connector -T10l- , Pin 1 (Interface for special functions)
	10	-Special vehicles- 3-pin connector -T3ak- , Pin 1 ³⁾ Flashing lights relay -J630-4)
24	5	Interior monitoring sensor -G273- Vehicle inclination sender -G384- Anti-theft alarm sensor -G578- Alarm horn -H12- Onboard supply control unit -J519- (T52c/1)
25	10	Output module for left headlight -J667-
26	10	Output module for right headlight -J668-
27	–	–
28	20	12-V socket 3 -U19- , in storage compart.
29	15	Rear window wiper motor -V12-
30	–	–
31	5	Heater/heat output switch -E16- Left washer jet heater element -Z20- Right washer jet heater element -Z21-
32	–	–
33	40	Air conditioning system control unit -J301- Heater/heat output switch -E16-
34	–	–
35	10	-Special vehicles-³⁾ Fluorescent light in rear of high roof -W41- Fluorescent light in centre of high roof -W42-
36	–	–
37	–	–
38	–	–
39	20	-Special vehicles- 10-pin connector -T10ai- , Pin 1 ³⁾
	30	-Special vehicles- 4-pin connector -T4ad- , Pin 1 ⁴⁾
40	20	Trailer detector control unit -J345-
41	20	Trailer detector control unit -J345-
42	20	Trailer detector control unit -J345-
43	15	Fuel pump relay -J17- Electric fuel pump 2 relay -J49- Supplementary fuel pump -V393-
44	40	Fresh air blower control unit -J126- Fresh air blower -V2-
45	20	Headlight washer system relay -J39- Headlight washer system pump -V11-
46	10	Onboard supply control unit -J519- (T52b/42) ¹⁾ Front interior light -W1- Luggage compartment light -W3- Glove compartment light -W6- Rear interior light -W43-
	30	Driver door control unit -J386-²⁾
47	30	Cigarette lighter -U1-⁶⁾ X-contact relief relay -J59-⁷⁾⁸⁾ Fuse holder C -SC- (-SC28- up to -SC33- ) ⁷⁾⁸⁾
48	30	Heated front seats control unit -J774-
49	30	Driver door control unit -J386-¹⁾ Front passenger door control unit -J387-
50	20	Onboard supply control unit -J519- (T52b/1) Rear window wiper motor -V12- Windscreen and rear window washer pump -V59- Washer pump -V5-
51	15	Trailer voltage supply relay -J941- Trailer socket -U10- (T13/10)
	30	-Special vehicles- 10-pin connector -T10ai- , Pin 4 10-pin connector -T10ai- , Pin 5
52	25	Heated rear window relay -J9- Heated rear window -Z1- Heated rear window in left wing door -Z26- Heated rear window in right wing door -Z27- Fresh air blower relay -J13- Fresh air blower series resistor with overheating fuse -N24- Fresh air blower -V2-
53	15⁶⁾ 20⁷⁾	12 V socket -U5- , in the rear centre console 12 V socket 2 -U18- , In rear left side panel
54	15	-Special vehicles-⁴⁾ Switch-over relay 1 for roof ventilator -J180-
55	15	-Special vehicles-⁴⁾ 8-pin connector -T8m- , Pin 4 8-pin connector -T8n- , Pin 4
56	–	–
57	5	Control unit in dash panel insert -J285-⁵⁾ Steering column electronics control unit -J527-⁵⁾
58	5	Mobile telephone operating electronics control unit -J412-⁵⁾
59	5	-Special vehicles- Radio switch -E72- Ignition bypass button -E489- Button for daytime running light switch-off -E652- Accident data memory -J754-
60	30	-Special vehicles- 3-pin connector -T3al- , Pin 1
1) before April 2011 2) after May 2011 3) before October 2011 4) after November 2011 5) for vehicles with start-stop system only 6) before October 2012 7) after November 2012 8) for vehicles with Climatronic only

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.