Table of Contents
This article provides a detailed breakdown of the fuse box diagrams for the Volkswagen Jetta (Seventh generation; chassis code BU3; MQB platform): model years 2018, 2019, 2020, 2021, 2022, and 2023.
Fuse F40 in the passenger compartment fuse box protects the cigarette lighter and 12V power outlet circuit.
Engine Compartment
The engine compartment fuse box is located next to the battery.
Location overview with protective cover removed.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| R1 | J906: Starter relay 1 | |
| R2 | J907: Starter relay 2 | |
| R3 | J413: Horn relay | |
| R4 | J360: High heat output relay | |
| R5 |
|
|
| R6 | J179: Glow plug control module (diesel) | |
| R7 | J359: Low heat output relay (diesel) | |
| R8 | J757: Engine component power supply relay (2.0L gasoline engine) | |
| R9 | J47: Heated windshield relay | |
| R10 | J611: Heated windshield relay 2 | |
| F1 | ABS control module | 40 |
| F2 | ABS control module | 40 |
| F3 | Engine Control Module (ECM) | 15 |
| F4 | Oil level/temperature sensor, oil pressure control valve, heater output switch, intake camshaft timing adjuster, ethanol concentration sensor | 5 |
| F5 | Fuel pressure regulator, fuel metering valve | 10 |
| F6 | Brake light switch | 5 |
| F7 |
|
7.5 / 10 |
| F8 | Heated oxygen sensor (HO2S / lambda probe) | 10 |
| F9 |
|
5 / 20 |
| F10 | Fuel pump control module | 15 / 20 |
| F11 | Auxiliary heater heating element | 40 |
| F12 | Auxiliary heater heating element | 40 |
| F13 | Transmission (Direct-Shift Gearbox / DSG Mechatronic unit) | 30 |
| F14 | Heated windshield | 40 |
| F15 | Horn | 15 |
| F16 |
|
20 / 7.5 |
| F17 | Motronic Engine Control Module (ECM), power supply relay, ABS control module | 7.5 |
| F18 | Battery monitoring control module, Data bus diagnostic interface (Gateway) | 5 |
| F19 | Windshield wiper motor control module | 30 |
| F20 | Anti-theft alarm system, horn | 20 |
| F21 | Empty | - |
| F22 | Engine Control Module (ECM) | 5 |
| F23 | Starter motor | 30 |
| F24 | Auxiliary heater heating element | 40 |
| F25 | Empty | - |
| F26 | Empty | - |
| F27 | Empty | - |
| F28 | Empty | - |
| F29 | Empty | - |
| F30 | Empty | - |
| F31 | Brake vacuum pump | 15 |
| F32 | Empty | - |
| F33 | Empty | - |
| F34 | Electronic differential lock control module | 15 |
| F35 | Air conditioning (A/C) relay | 7.5 |
| F36 | Empty | - |
| F37 | Auxiliary heater control module | 20 |
| F38 | Empty | - |
Passenger Compartment
The interior fuse box is located on the driver’s side under the dashboard.
To access the fuse box, remove the driver’s side lower dash trim panel.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| R1 | J963: Reductant dosing system relay (AdBlue/DEF) | |
| R2 | Empty | |
| R3 | Empty | |
| R4 | J329: Terminal 15 power supply relay | |
| R5 | J9: Heated rear window relay | |
| R6 | J807: 12V power outlet relay | |
| F1 | Empty | - |
| F2 | Electromechanical power steering | 10 |
| F3 | Empty | - |
| F4 | Body Control Module (BCM), anti-theft alarm system, Infotainment control panel | 10 |
| F5 | Data bus diagnostic interface (Gateway) | 7.5 |
| F6 | Gear selector lever switch | 7.5 |
| F7 | HVAC control unit, Climatronic control module, A/C control module, automatic transmission selector lever, auxiliary coolant heater, heated rear window relay, keyless entry frequency receiver | 10 |
| F8 | Rotary light switch, electronic parking brake switch, rain/light/humidity sensor, Diagnostic Link Connector (DLC) | 7.5 |
| F9 | Electromechanical power steering, ignition/starter switch | 7.5 |
| F10 | Instrument cluster / Display unit | 7.5 |
| F11 | Left exterior lighting control module | 40 |
| F12 | Infotainment control module, Infotainment system components | 20 |
| F13 | Empty | - |
| F14 | Blower motor control module | 10 |
| F15 | Steering column lock control module | 10 |
| F16 | Cell phone signal amplifier, antenna amplifier, USB charging port voltage converter | 7.5 |
| F17 | Instrument cluster control module | 7.5 |
| F18 | Rearview camera, trunk release switch | 7.5 |
| F19 | Keyless Access and Start System interface (KESSY) | 7.5 |
| F20 | Brake vacuum pump relay | 15 |
| F21 | Heated windshield relay | 10 |
| F22 | Empty | - |
| F23 | Sunroof control module | 20 |
| F24 | Right exterior lighting control module | 40 |
| F25 | Driver and front passenger door control modules | 30 |
| F26 | Body Control Module (BCM), heated front seats | 30 |
| F27 | Digital Sound System control module, interior lighting | 30 |
| F28 | Empty | - |
| F29 | Tire Pressure Monitoring System (TPMS) | 5 |
| F30 | Remote engine start relay | 10 |
| F31 | Empty | - |
| F32 | Front driver assistance camera, garage door opener module, Park Distance Control (PDC) module, Park Assist control module | 10 |
| F33 | Airbag control module | 7.5 |
| F34 | Rotary light switch, auto-dimming interior mirror, TPMS reset button, reverse light switch, air quality sensor, electronic parking brake switch | 7.5 |
| F35 | Diagnostic Link Connector (DLC), auto-dimming interior mirror, headlight range control unit, headlight leveling motor | 10 |
| F36 | Empty | - |
| F37 | Empty | - |
| F38 | Empty | - |
| F39 | Driver and front passenger door control modules, rear power window motors | 30 |
| F40 | Volkswagen Jetta Mk7 cigarette lighter / 12V socket fuse | 20 |
| F41 | Empty | - |
| F42 | Body Control Module (BCM), windshield washer pump, central locking system | 40 |
| F43 | Body Control Module (BCM) | 30 |
| F44 | Empty | - |
| F45 | Driver and front passenger power seat adjustment switch | 15 |
| F46 | Empty | - |
| F47 | Rear window wiper motor | 15 |
| F48 | Empty | - |
| F49 | Clutch pedal position sensor, starter relay | 5 |
| F50 | Empty | - |
| F51 | Heated rear seat control module | 25 |
| F52 | Adaptive chassis control unit (DCC / Electronic damping system) | 15 |
| F53 | Heated rear window | 30 |