Fuses and relays Hyundai Sonata (DN8; 2019 - 2023)

The Sonata 8 (codenamed DN8) was previewed in early March 2019 and officially unveiled on 21 March in South Korea. It made its North American debut on 17 April 2019 at the New York International Auto Show. In this article we will understand in detail fuse box diagrams Hyundai Sonata (eighth generation; DN8 index) 2019, 2020, 2021, 2021, 2022, 2023 years of manufacture.

Here you will find the locations and photos of the mounting blocks. Also, we will separately mark the fuses responsible for the cigarette lighter and the fuel pump.

In the engine compartment

The fuse box is located near the battery. To access it, you need to release the latches and remove the protective cover.

Access example.

Name Description Amps
IG2 E/R connection block (start relay), PCB block (IG2 relay) 30
BLOWER E/R Junction Block (Fan Relay) 40
ABS1 Electronic Stability Control Unit 40
B+2 ICU Junction Block (IPS4, IPS3, IPS1, Fuse Circuit Protection - AMP, IBU1) 50
PTC HEATER E/R Connection Block (PTC Heater Relay) 50
B+3 Body electronics connection block (IPS5, IPS7, IPS9, IPS10, IPS8, IPS6) 50
OIL PUMP1 Electronic oil pump 50
COOLING FAN Engine cooling fan 80
MDPS Electric power steering 80
E-SHIFTER SCU (launch control unit) 30
  • G4FN Engine: CVVD DRIVE;
  • E/R connection block (E-CVVT relay)
IG1 PCB block (IG1 relay, ACC relay) 40
REAR HEATED Connection block E/R (rear heating relay) 50
EPB Electronic parking brake 60
B+5 PCB (Engine Control Relay, Circuit Protection - A/C1, WIPER1, TCU 1, HORN, ECU 2) 60
B+1 ICU distribution block (circuit protection - P/SEAT (DRV), P/SEAT (PASS), MODULE1, SAFETY P/WINDOW (LH), SAFETY P/WINDOW (RH), S/HEATER (RR)) 60
HEATED MIRROR Heated outside rear view mirrors, A/C switch, A/C control module, ECM 10
ECU5 G4FN: Engine control module 10
AMS Battery status sensor 10
FUEL PUMP 1 E/R Connection Block (Fuel Pump Relay) 20
A/C 2 Air conditioning control module 10
B+4 ICU Connection Block (long-term load latching relay, circuit protection - MODULE3, AIR BAG2, E-SHIFTER1, SUNROOF1, SUNROOF2, S/HEATER (FRT), TRUNK, BRAKE SWITCH, DOOR LOCK) 60

In the passenger compartment

The unit is located on the driver's side of the dashboard behind a protective cover.

General form.

Name Description Amps
S/HEATER (FRT) Front seat heating and ventilation control module 25
TRUNK ICU Junction Block (Trunk Lid Relay) 10
DOOR LOCK Connection block (door lock relay, door unlock relay, two-turn door unlock relay) 20
MODULE1 key solenoid 7.5
MODULE3 Driver door module, passenger seat adjustment unit, instrument panel switch, instrument panel switch (top), front lamp unit, start/stop button switch, driver/passenger smart key external handle 10
S/HEATER (RR) Heated rear seats 25
P/SEAT (PASS) Passenger Seat Manual Switch, Passenger Seat Adjustment/Relaxation Unit 30
MODULE6 Driver door module 10
SAFETY P/WINDOW (RH) front passenger window lifter and rear right window lifter 30
P/SEAT (DRV) Driver Seat Manual Switch, Driver IMS Module 30
IBU1 IBU, NFC driver and passenger door module, IAU, BLE unit, ignition switch 15
AMP Amplifier, DC/DC converter 25
SAFETY P/WINDOW (LH) Driver's window regulator and rear left window regulator 30
BRAKE SWITCH IBU, brake light switch 10
SUNROOF2 Panoramic sunroof, data link connector 20
AIR BAG2 SRS system (airbag) 10
AIR BAG1 SRS system (airbag), passenger detection sensor 15
E-SHIFTER1 SCU, electronic gearshift lever 10
MEMORY Driver IMS module, safety indicator light, A/C switch, adjustable outside mirrors, A/C control module, instrument cluster, rain sensor, head-up display 10
MULTI MEDIA Multimedia and Navigation Head Unit, DC/DC Converter (AMP/Audio) 15
SUNROOF1 Panoramic sunroof 20
MODULE7 Front console switch, Lane Keeping Assist Unit, IBU, instrument panel switch (up/down), Avodance Parking Assist Unit, Intelligent Parking Assist Unit with remote control 10
MODULE5 Brake light switch 10
MODULE8 Front seat heating control module, front ventilated seat control module, passenger seat relaxation module, amplifier, rear seat heating control module, driver IMS module, multimedia and navigation head unit 10
E-SHIFTER2 SCU (launch control unit), electronic gearshift lever 10
MODULE2 IAU, parking assist unit, cooling fan, passenger seat relaxation unit, rear seat heater control module 10
MDPS Electric power steering 7.5
A/C A/C Control Module, A/C Switch, E/R Junction Block (Blower Relay, PTC Heater Relay) 7.5
MODULE4 Front and rear USB charger, AMP, IBU, IAU, parking collision avoidance system, audio system, DC/DC converter (audio), multimedia system and navigation, head unit, surround view monitor unit 10
MODULE9 Integrated body control unit 7.5
CLUSTER Instrument cluster, head-up display 10
WASHER Multifunction switch, wiper 15
START PCM/ECM, E/R Junction Block (Start Relay), ICU Junction Block (Alarm Relay) 7.5
POWER OUTLET Hyundai Sonata Cigarette Lighter Fuse 20
IBU2 Integrated body control unit 7.5
A/BAG IND Instrument cluster, overhead console lamp 7.5
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