Hyundai Sonata Hybrid Fuse Box: What Each Fuse Does
From the 2026 Hyundai Sonata Hybrid owner's manual. 3 fuse boxes listed.
Instrument panel fuse panel
| Fuse | Amps | Circuit |
|---|---|---|
| A/C2 | 7.5 A | E/R Junction Block (PTC Heater Relay), A/C Control Module, A/C Switch |
| BRAKE SWITCH | 7.5 A | BDC, Stop Lamp Switch |
| MEMORY | 10 A | Cluster Unit, A/C Switch, Mood Lamp Unit, Mood Lamp (Driver/Passenger), A/C Control Module, DC-DC Converter, Driver/Passenger Door Mood Lamp, ADAS Unit (Parking) |
| E-SHIFTER3 | 10 A | Electronic ATM Lever, SCU |
| MODULE7 | 10 A | Driver/Passenger Power Outside Mirror, Driver Door Module, Driver IMS Control Module, Rain Sensor, Start/Stop Button, Driver/Passenger Smart Key Outside Handle, Data Link Connector, Hazard Switch, Crash Pad Switch (Upper), Multifunction Switch, E/R Junction Block (Blower Relay) |
| E-SHIFTER2 | 10 A | Electronic ATM Lever, SCU |
| CCU | 10 A | CCU |
| wireless DCU | 7.5 A | DCU |
| BDC2 | 7.5 A | BDC |
| MODULE2 | 10 A | CCU, Stop Lamp Switch |
| MULTIMEDIA | 25 A | CCNC Head Unit, DC-DC Converter |
| MODULE4 | 10 A | ATM Shift Lever IND., AMP, Driver IMS Control Module, DC-DC Converter, CCNS Head Unit, Data Link Connector, Smart Phone Wireless Charger Unit, A/C Switch, A/C Control Module, Overhead Console, Electro Chromic Mirror |
| CLUSTER | 7.5 A | Cluster Unit |
| IG3 3 | 10 A | IG3 |
| MODULE6 | 7.5 A | 12V Lithium Auxiliary Battery |
| TRUNK OPEN | 10 A | Trunk Relay |
| SUNROOF1 | 20 A | Panoramic Roof Glass Motor |
| MODULE8 | 10 A | Driver Door Module |
| MDPS | 7.5 A | MDPS Unit |
| MODULE1 | 10 A | AMP, ADAS Unit (Parking), Overhead Console CCNC Keyboard, DCU, CCU, BDC, CCNC Head Unit, DC-DC Converter |
| P/SEAT (PASS) | 30 A | Passenger Power Seat Module |
| SEAT HTR (FRT) | 25 A | Front Seat Heater Control Module |
| WASHER | 15 A | Multifunction Switch |
| BDC1 | 10 A | BDC, ATM Lever, Bluetooth Unit #1/#2, Driver/Passenger Door NFC Module |
| BATTERY MANAGEMENT2 | 7.5 A | Battery Management |
| A/BAG1 | 10 A | SRS Control Module, Passenger Occupant Detection Sensor |
| USB CHARGER | 15 A | Front/Rear USB Charger Connector |
| P/WINDOW (LH) | 30 A | Driver Safety Power Window Module, Rear Power Window Switch LH |
| MODULE5 | 7.5 A | BDC |
| BATTERY MANAGEMENT1 | 10 A | Battery Management |
| AMP | 25 A | AMP, DC-DC Converter |
| SUNROOF2 | 20 A | Panoramic Roof Blind Motor |
| MODULE3 | 10 A | Vacuum Switch, Front Radar, ADAS Unit (Parking), Multifunction Switch, Rear Corner Radar LH/RH, Crash Pad Switch (Upper), DCU, Front Console Switch, Front View Camera (ADAS), AWD ECM |
| P/SEAT (DRV) | 30 A | Driver Power Seat Switch, Driver IMS Control Module |
| P/WINDOW (RH) | 30 A | Passenger Safety Power Window Module, Rear Power Window Switch RH |
| A/BAG2 | 10 A | SRS Control Module |
| DOOR LOCK | 20 A | Door Lock/Unlock Relay, Two Turn Unlock Relay |
| S/HEATER (RR) | 25 A | Rear Seat Warmer Control Module |
| START | 7.5 A | BDC, ECM/PCM, E/R Junction Block (RLY.02) |
| POWER TRUNK | 30 A | PTL Unit (Power Trunk Lid) |
Engine compartment fuse panel (Engine compartment junction block)
| Fuse | Amps | Circuit |
|---|---|---|
| E-SHIFTER1 | 30 A | SCU |
| IG1 | 40 A | PCB Block (ACC/IG1 Relay) |
| BLOWER | 50 A | Blower Relay |
| REAR HEATED | 50 A | Rear Heated Relay |
| IEB2 | 60 A | ESC Module |
| B+5 | 60 A | PCB Block (Engine Control Relay, Fuse: WIPER1, HORN, A/C1, ECU2, TCU1) |
| B+1 | 60 A | PDC (Fuse: P/SEAT(DRV), P/SEAT(PASS), MODULE7, P/WINDOW(LH), P/WINDOW(RH), SPARE, POWER TRUNK, S/HEATER(FRT), E-SHIFTER2) |
| IG2 | 30 A | Start Relay, PCB Block (IG2 Relay) |
| IEB1 | 40 A | ESC Module |
| B+2 | 50 A | PDC (IPS2, IPS3, IPS4, IPS5, IPS6, IPS7) |
| PTC HEATER1 | 50 A | PTC Heater Relay |
| B+3 | 50 A | PDC (Fuse: AMP, SUNROOF1, SUNROOF2, AIR BAG2) |
| PTC HEATER2 | 50 A | PTC Heater Relay |
| COOLING FAN | 80 A | Cooling Fan Controller |
| MDPS | 80 A | MDPS Unit |
| B+6 | 40 A | PDC (IPS9, IPS11, IPS12) |
| B+4 | 60 A | PDC (Long Term Load Latch Relay, IPS3, Fuse: BDC1, DOOR LOCK, TRUNK OPEN, CCU, BRAKE SWITCH) |
| IEB3 | 60 A | ESC Module |
| AUX BATT | 60 A | 12V Lithium Auxiliary Battery |
| EWP1 | 10 A | Electronic Water Pump |
| BATTERY C/FAN | 15 A | Battery Cooling Fan |
| OPCU1 | 20 A | Oil Pump Control Unit |
| IG31 | 20 A | IG3 |
| FUEL PUMP1 | 20 A | Fuel Pump Relay |
| POWER OUTLET | 20 A | Front Power Outlet |
| HPCU1 | 10 A | HPCU |
| IG32 | 10 A | IG3 |
| EWP3 | 10 A | Electronic Water Pump |
| HEATED MIRROR | 10 A | Driver/Passenger Power Outside Mirror(Defogger), ECM |
Engine compartment fuse panel (PCB block)
| Fuse | Amps | Circuit |
|---|---|---|
| WIPER1 | 30 A | Wiper Power Relay |
| WIPER2 | 10 A | Smartstream G2.0 GDI: BDC, PCM |
| ECU4 | 20 A | Smartstream G2.0 GDI: PCM |
| ECU2 | 15 A | Smartstream G2.0 GDI: PCM |
| ECU1 | 20 A | Smartstream G2.0 GDI: PCM |
| OPCU2 | 10 A | Oil Pump Control Unit |
| SENSOR1 | 15 A | Oxygen Sensor (Up/Down) |
| EWP2 | 10 A | Electronic Water Pump |
| HPCU2 | 10 A | HPCU |
| HORN | 20 A | Horn Relay |
| SENSOR2 | 10 A | Smartstream G2.0 GDI: Purge Control Solenoid Valve, Oil Control Valve (Exhaust), Variable Oil Pump Valve, Cooling Fan Controller, Oil Level Sensor, Variable Intake Solenoid Valve, E/R Junction Block (A/C Relay) |
| FUEL PUMP2 | 10 A | E/R Junction Block (Fuel Pump Relay) |
| ECU3 | 10 A | Smartstream G2.0 GDI: PCM |
| IEB4 | 10 A | ESC Module |
| IGN COIL | 20 A | Ignition Coil #1~#4 |
Source: owner's manual, PDF page 516.
Listings are copied as text from the manual's fuse tables (AI-assisted; every circuit name was matched against the cited pages 2026-10-18). Fuse layouts can differ by trim and year; check the label on the fuse box cover before replacing a fuse, and always use the same amp rating.
Confirm with your own manual, dipstick or door-jamb label.
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