Hyundai Sonata 2021 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located at the left side of the steering column at the bottom of the instrument panel.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay Name | Rating | Functions |
| S/HEATER (FRT) | 25A | Front Seat Warmer Control Module, Front Air Ventilation Seat Control Module |
| TRUNK | 10A | ICU Junction Block (Trunk Lid Relay) |
| DOOR LOCK | 20A | ICU Junction Block (Door Lock Relay, Door Unlock Relay, Two Turn Unlock Relay) |
| MODULE1 | 7.5A | Key Solenoid |
| MODULE3 | 10A | Driver Door Module, Passenger Seat Relax Unit, Hazard Switch, Crash Pad Switch (Up), Front Mood Lamp Unit, Start/stop Button Switch, Driver/Passeger Smart Key Outside Handle |
| S/HEATER (RR) | 25A | Rear Seat Warmer Control Module |
| P/SEAT (PASS) | 30A | Passenger Seat Manual Switch, Passenger Seat Relax Unit |
| MODULE6 | 10A | Driver Door Module |
| SAFETY P/WINDOW (RH) | 30A | Passenger Safety Power Window Module, Door Unlock Relay, Two Turn Unlock Relay) |
| P/SEAT (DRV) | 30A | Dirver Seat Manual Switch, Driver IMS Module |
| IBU1 | 15A | IBU, Driver/Passenger Door NFC Module, IAU, BLE Unit, Ignition Switch |
| AMP | 25A | AMP, DC-DC Converter (AMP) |
| SAFETY P/ WINDOW (LH) | 30A | Driver Safety Power Window Module, Rear Power Window Switch LH |
| BRAKE SWITCH | 10A | IBU, Stop Lamp Switch |
| SUNROOF2 | 20A | Panorama Sunroof, Data Link Connector |
| AIR BAG2 | 10A | SRS Contorl Module |
| AIR BAG1 | 15A | SRS Contorl Module |
| E-SHIFTER1 | 10A | SCU, Electronic ATM Shift Lever |
| MEMORY | 10A | Driver IMS Module, Security Indicator, A/C Switch, Driver/Passenger Power Outside Mirror, A/C Control Module, Instrument Cluster, Rain Sensor, Head-Up Display |
| MULTI MEDIA | 15A | Audio, A/V & Navigation Head Unit, DC-DC Converter (AMP/ Audio) |
| SUNROOF1 | 20A | Panorama Sunroof |
| MODULE7 | 10A | Front Console Switch, Lane Keeping Assist Unit, IBU, Crash Pad Switch (Up/Down), Parking Collision Avodance Assist Unit Remote Control Smart Parking Assist Unit |
| MODULE5 | 10A | Stop Lamp Switch |
| MODULE8 | 10A | Front Seat Warmer Control Module, Front Air Ventilation Seat Control Module, Passenger Seat Relax Unit, AMP, Rear Seat Warmer Control Module, Driver IMS Module, Audio, A/V & Navigation Head Unit |
| E-SHIFTER2 | 10A | SCU, Electronic ATM Shift Lever |
| MODULE2 | 10A | IAU, Parking Collision Avoidance Assist Unit, Cooling Fan Motor, Passenger Seat Relax Unit, Rear Seat Warmer Control Module |
| MDPS | 7.5A | MDPS Unit |
| A/C | 7.5A | A/C Control Module, A/C Switch, E/R Junction Block (Blower Relay, PTC Heater Relay) |
| MODULE4 | 10A | Front USB Charger, Rear USB Charger, AMP, IBU, IAU, Parking Collision Avoidance Assist Unit, Audio DC-DC Converter (AMP/Audio), A/V & Navigation Head Unit, Surround View Monitor Unit |
| MODULE9 | 7.5A | IBU |
| CLUSTER | 10A | Instrument Cluster, Head-Up Display |
| WASHER | 15A | Multifunction Switch |
| START | 7.5A | PCM/ECM, E/R Junction Block (Start Relay), ICU Junction Block (B/Alarm Relay) |
| POWER OUTLET | 20A | Front Power Outlet |
| IBU2 | 7.5A | IBU |
| A/BAG IND | 7.5A | Instrument Cluster, Overhead Console Lamp (Lamp) |
Engine compartment fuse box:
| Fuse/Relay Name | Rating | Functions |
| IG2 | 30A | E/R Junction Block (Start Relay), PCB Block (IG2 Relay) |
| BLOWER | 40A | E/R Junction Block (Blower Relay) |
| ABS1 | 40A | ESC Module |
| B+2 | 50A | ICU Junction Block (IPS4, IPS3, IPS1, Fuse - AMP, IBU1) |
| PTC HEATER | 50A | E/R Junction Block (PTC Heater Relay) |
| B+3 | 50A | ICU Junction Block (IPS5, IPS7, IPS9, IPS10, IPS8, IPS6) |
| OIL PUMP1 | 50A | Electronic Oil Pump |
| COOLING FAN | 80A | Cooling Fan Motor |
| MDPS | 80A | MDPS Unit |
| E-SHIFTER | 30A | SCU |
| E-CVVT1 | 40A | [G4FN] CVVD ACTUATOR [====] E/R Junction Block (E-CVVT Relay) |
| IG1 | 40A | PCB Block (IG1 Relay, ACC Relay) |
| REAR HEATED | 50A | E/R Junction Block (Rear Heated Relay) |
| EPB | 60A | ESC Module |
| B+5 | 60A | PCB Block (Engine Control Relay, Fuse - A/C1, WIPER1, TCU1, HORN, ECU2) |
| B+1 | 60A | ICU Junction Block (Fuse - P/SEAT (DRV), P/ SEAT (PASS), MODULE1, SAFETY P/WINDOW (LH), SAFETY P/WINDOW (RH), S/HEATER (RR)) |
| HEATED MIRROR | 10A | Driver/Passenger Power Outside Mirror, A/C Switch, A/C Control Module, ECM |
| ECU5 | 10A | [G4FN] ECM |
| AMS | 10A | Battery Sensor |
| FUEL PUMP 1 | 20A | E/R Junction Block (Fuel Pump Relay) |
| A/C 2 | 10A | A/C Control Module |
| B+4 | 60A | ICU Junction Block (Long Term Load Latch Relay, Fuse - MODULE3, AIR BAG2, E-SHIFTER1, SUNROOF1, SUNROOF2, S/ HEATER (FRT), TRUNK, BRAKE SWITCH, DOOR LOCK) |
