Table of Contents
This article provides a detailed overview of the fuse panel diagrams and relay assignments for the Volkswagen T-Cross and Taigun (first generation; MQB A0 platform; chassis code C1) for model years 2019, 2020, 2021, 2022, 2023, and 2024.
Fuses No. 55 and No. 51 in the passenger compartment fuse box protect the electrical circuits for the 12V socket / cigarette lighter and USB charging ports.
In the engine compartment
There are two power distribution blocks protecting the vehicle's electrical system.
Battery pre-fuse block
Mounted on the 12V battery.
Description:
- SA1 - Alternator with voltage regulator, Starter 150A;
- SA2 - Unassigned;
- SA3 - Starter relay 1 / Starter relay 2 / Engine compartment fuses No. 10, 12, 14, 15, 20, 21, and 26 / Terminal 30 voltage supply relay (Diesel) / Main engine relay (Petrol) / Auxiliary heater relays (low/high heat output) / Glow plug control module 150A;
- SA4 - Passenger compartment fuses No. 6, 12, 21, 23, 25, 38, 48, and 54 80A;
- SA5 - Terminal 15 voltage supply relay, passenger compartment fuses No. 8, 10, 26, 28, 33, 35, 37, 49, 52, 53, 59, 60, and 61, Terminal 75x voltage supply relay 125A;
- SA6 - Electromechanical power steering control unit 80A;
- 508 - Battery terminal connection
Engine compartment fuse box
Located on the left side of the engine compartment. Remove the protective cover to access the fuses.
The photo shows a typical layout.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Rating, A |
| R1 | Engine component power supply relay (Fuel pump relay) | |
| R2 | A/C magnetic clutch relay | |
| R3 | Starter relay 2 | |
| R4 | 1.5L Petrol - Brake vacuum pump relay | |
| R5 | Starter relay 1 | |
| R6 | Petrol: Main engine relay; Diesel: Terminal 30 voltage supply relay |
|
| R7 | Petrol: Radiator fan 2nd speed relay; Diesel: High heat output auxiliary heater relay |
|
| R8 | Petrol: Radiator fan relay; Diesel: Low heat output auxiliary heater relay |
|
| R9 | Diesel: Glow plug control module | |
| R10 | Unassigned | |
| 1 | 15A – Petrol; 30A – Diesel: Engine Control Module (ECM) | 15 / 30 |
| 2 | 7.5A Diesel: Oil pressure control valve, Charge air cooling pump, Cylinder head coolant valve, Reductant (AdBlue) dosing system relay, Auxiliary coolant pump | 7.5 |
| 4 | Fuel pump control module | 15 |
| 5 | Oil level and temperature sensor, Radiator fan control Petrol: Inlet camshaft timing valve 1, Oil pressure control valve, Exhaust camshaft timing valve 1, EVAP canister purge valve 1 Diesel: Charge pressure control solenoid valve |
20 |
| 6 | Diesel 7.5A: Crankcase breather heating element, Glow plug control module Petrol 20A; Ignition coils No. 1 / No. 2 / No. 3 with output stage |
7.5 / 20 |
| 7 | Petrol: Brake vacuum pump | 15 |
| 8 | Diesel: Fuel metering valve | 10 |
| 9 | Brake light switch | 7.5 |
| 10 | Battery monitoring control module | 7.5 |
| 11 | Unassigned | - |
| 12 | A/C magnetic clutch relay | 10 |
| 13 | Unassigned | - |
| 14 | ABS/ESC control module, Engine Control Module (ECM) Diesel: Terminal 30 voltage supply relay Petrol: Main engine relay |
7.5 |
| 15 | Dual-clutch transmission mechatronic unit (DSG) | 30 |
| 16 | Unassigned | - |
| 17 | Engine Control Module (ECM) | 7.5 |
| 18 | Starter motor | 30 |
| 19 | Unassigned | |
| 20 | ABS/ESC control module | 40 / 60 |
| 21 | ABS/ESC control module | 25 |
| 22 | Unassigned | – |
| 23 | Unassigned | – |
| 24 | Unassigned | – |
| 25 | Auxiliary engine heating element | 40 |
| 26 | Radiator fan control module | 50 |
| 27 | Auxiliary engine heating element | 40 |
| 28 | Auxiliary engine heating element | 40 |
In the passenger compartment
Located behind the cover panel on the driver's side of the dashboard.
General layout of the passenger compartment fuse box (Volkswagen T-Cross / Taigun).
| Diagram | ||
|---|---|---|
|
||
| No. | Protected Component / Function | Rating, A |
| R1 | Diesel: Reductant (AdBlue) dosing system relay; Petrol: Throttle valve relay |
|
| R2 | Windscreen washer pump relay | |
| R3 | Terminal 15 voltage supply relay | |
| R4 | Terminal 75x voltage supply relay | |
| R5 | Unassigned | |
| R6 | Unassigned | |
| 1 | Trailer detection control module | 20 |
| 2 | Unassigned | - |
| 3 | Digital audio package control module (Amplifier) | 30 |
| 4 | Unassigned | - |
| 5 | Unassigned | - |
| 6 | Body Control Module (BCM / On-board supply control unit) | 40 |
| 7 | Unassigned | - |
| 8 | Fresh air blower control module | 30 |
| 9 | Unassigned | - |
| 10 | Trailer detection control module | 20 |
| 11 | Unassigned | - |
| 12 | Right-hand drive: Front right seat belt tensioner; Left-hand drive: Front left seat belt tensioner |
15 |
| 13 | Rain and light sensor, rotary light switch, steering column switch module, diagnostic connector (OBD-II) | 7.5 |
| 14 | Steering column electronics control module | 10 |
| 15 | Instrument cluster, emergency call module control unit and communication unit (eCall / TCU) | 7.5 |
| 16 | Body Control Module (BCM) | 40 |
| 17 | Right-hand drive: Driver's door control module and rear driver-side door control module Left-hand drive: Front passenger door control module and rear passenger-side door control module |
30 |
| 18 | Body Control Module (BCM) | 30 |
| 19 | Infotainment system control module (Information electronics 1) | 25 |
| 20 | Body Control Module (BCM) | 30 |
| 21 | Reductant (AdBlue) heater control module | 30 |
| 22 | Unassigned | - |
| 23 | Rearview camera system | 7.5 |
| 24 | Mobile phone cradle, mobile communications signal amplifier, infotainment display unit | 5 |
| 25 | Steering column electronics control module | 7.5 |
| 26 | Data bus diagnostic interface (Gateway) | 7.5 |
| 27 | Unassigned | - |
| 28 | Anti-theft alarm sensor | 7 |
| 29 | Anti-theft alarm horn | 7.5 |
| 30 | Left-hand drive: Front right seat belt tensioner Right-hand drive: Front left seat belt tensioner |
15 |
| 31 | Heater and air conditioning control unit (Climatronic / HVAC) | 15 |
| 32 | Ignition and starter switch | 7.5 |
| 33 | Front passenger door control module and rear passenger-side door control module (Right-hand drive); Driver's door control module and rear driver-side door control module (Left-hand drive) |
30 |
| 34 | Unassigned | - |
| 35 | Body Control Module (BCM) | 40 |
| 36 | Body Control Module (BCM) | 20 |
| 37 | Heated front seats control module | 30 |
| 38 | Body Control Module (BCM) | 30 |
| 39 | Adaptive Cruise Control (ACC) module, Blind Spot Monitor control module, front driver assistance camera, Park Assist control module | 10 |
| 40 | Halogen headlights (left/right), headlight range control, diagnostic connector (OBD-II), rotary light switch, reverse light switch, auto-dimming interior mirror, center console switch module 1, steering column electronics control module | 7.5 |
| 41 | Exterior mirror adjustment switch | 7.5 |
| 42 | Starter relay 1, starter relay 2, refrigerant pressure sensor, clutch position sensor | 7.5 |
| 43 | Rear window wiper motor, washer pump relay, heated washer nozzles (left/right) | 15 |
| 44 | Airbag control module, center console switch module 1 | 7.5 |
| 45 | Unassigned | - |
| 46 | Unassigned | - |
| 47 | Unassigned | - |
| 48 | Keyless entry and start system control module (KESSY), electronic steering column lock control module | 7.5 |
| 49 | Reductant (AdBlue) dosing system relay | 7.5 |
| 50 | Unassigned | - |
| 51 | USB charging ports No. 1 and No. 2 | 7.5 |
| 52 | Front right LED headlight | 15 |
| 53 | Selector lever / ignition key removal lock solenoid | 7.5 |
| 54 | Front left LED headlight | 15 |
| 55 | 12V socket / cigarette lighter fuse (Volkswagen T-Cross) | 20 |
| 56 | Heater and air conditioning control unit (Climatronic / HVAC) | 30 |
| 57 | Unassigned | - |
| 58 | Windscreen and rear window washer pump | 7.5 |
| 59 | Body Control Module (BCM) | 10 |
| 60 | Trailer detection control module | 30 |
| 61 | Trailer detection control module | 30 |