2026 Hyundai Sonata Fuse Box Diagram
The 2 fuse boxes on the 2026 Hyundai Sonata, with every fuse and relay. Tap a fuse to see what it protects, or search for the thing that stopped working.
Where it isUnder the hood in the engine bay. Page 9-4 of the owner's manual shows the exact spot.
Slot map: the fuses are listed in the manual's order, not where they sit in the box. Match the numbers to the label inside the box cover, or the drawing on page 9-4 of your owner's manual.
Where it isUnder the hood in the engine bay. Page 9-56 of the owner's manual shows the exact spot.
Slot map: the fuses are listed in the manual's order, not where they sit in the box. Match the numbers to the label inside the box cover, or the drawing on page 9-56 of your owner's manual.
2026 Sonata engine bay fuses
Engine Compartment. Tap a row to find it on the diagram.
| No. | Amps | Type | Protects |
|---|---|---|---|
| E-SHIFTER1 | 30A | Fuse (size not listed) | SCU |
| E-CVVT1 | 40A | Fuse (size not listed) | E-CVVT Relay |
| IG1 | 40A | Fuse (size not listed) | PCB Block (ACC/IG1 Relay) |
| BLOWER | 50A | Fuse (size not listed) | Blower Relay |
| REAR HEATED | 50A | Fuse (size not listed) | Rear Heated Relay |
| FUSE-A ABS1 | 60A | Fuse (size not listed) | ESC Module |
| B+5 | 60A | Fuse (size not listed) | PCB Block (Engine Control Relay, Fuse : WIPER1, HORN, A/C1, ECU2, TCU1) |
| B+1 | 60A | Fuse (size not listed) | PDC (Fuse : P/SEAT(DRV), P/SEAT(PASS), MODULE7, P/WINDOW(LH), P/WINDOW(RH), SPARE, POWER TRUNK, S/HEATER(FRT), E-SHIFTER2) |
| IG2 | 30A | Fuse (size not listed) | Start Relay, PCB Block (IG2 Relay) |
| ABS2 | 40A | Fuse (size not listed) | ESC Module |
| B+2 | 50A | Fuse (size not listed) | PDC (IPS2, IPS3, IPS4, IPS5, IPS6, IPS7) |
| PTC HEATER | 50A | Fuse (size not listed) | PTC Heater Relay |
| FUSE-B B+3 | 50A | Fuse (size not listed) | PDC (Fuse : AMP, SUNROOF1, SUNROOF2, AIR BAG2) |
| OIL PUMP1 | 50A | Fuse (size not listed) | Electronic Oil Pump |
| COOLING FAN | 80A | Fuse (size not listed) | Cooling Fan Controller |
| MDPS | 80A | Fuse (size not listed) | MDPS Unit |
| B+6 | 40A | Fuse (size not listed) | PDC (IPS9, IPS11, IPS12) |
| B+4 S/B FUSE | 60A | Fuse (size not listed) | PDC (Long Term Load Latch Relay, IPS3, Fuse : BDC1, DOOR LOCK, TRUNK OPEN, CCU, BRAKE SWITCH) |
| TCU3 | 60A | Fuse (size not listed) | TCM |
| AUX BATT | 60A | Fuse (size not listed) | 12V Lithium Auxiliary Battery |
| AMS | 10A | Fuse (size not listed) | Battery Sensor |
| VACUUM PUMP1 | 20A | Fuse (size not listed) | PCB Block (Vacuum Pump Relay) |
| 4WD | 20A | Fuse (size not listed) | AWD ECM |
| FUEL PUMP1 | 10A | Fuse (size not listed) | Fuel Pump Relay |
| POWER OUTLET | 20A | Fuse (size not listed) | Front Power Outlet |
| HEATED MIRROR | 10A | Fuse (size not listed) | Driver/Passenger Power Outside Mirror(Defogger), ECM |
| E-CVVT3 | 20A | Fuse (size not listed) | ECM |
| E-CVVT2 | 20A | Fuse (size not listed) | ECM |
2026 Sonata engine bay (pcb block) fuses
Engine compartment fuse panel (PCB block). Tap a row to find it on the diagram.
| No. | Amps | Type | Protects |
|---|---|---|---|
| WIPER1 | 30A | Fuse (size not listed) | Wiper Power Relay |
| WIPER2 | 10A | Fuse (size not listed) | Smartstream G2.5 T-GDI : BDC, ECM Smartstream G2.5 GDI : BDC, PCM |
| TCU1 | 20A | Fuse (size not listed) | Smartstream G2.5 T-GDI : Not Used Smartstream G2.5 GDI : PCM |
| ECU2 | 15A | Fuse (size not listed) | Smartstream G2.5 T-GDI : ECM Smartstream G2.5 GDI : PCM |
| ECU1 | 20A | Fuse (size not listed) | Smartstream G2.5 T-GDI : ECM Smartstream G2.5 GDI : PCM |
| TCU2 | 15A | Fuse (size not listed) | Smartstream G2.5 T-GDI : TCM Smartstream G2.5 GDI : Transaxle Range Switch |
| A/C 1 | 10A | Fuse (size not listed) | E/R Junction Block (RLY.08) |
| INJECTOR | 15A | Fuse (size not listed) | Injector #1~#4 |
| SENSOR1 | 15A | Fuse (size not listed) | Oxygen Sensor (Up/Down) |
| OIL PUMP2 | 10A | Fuse (size not listed) | Smartstream G2.5 T-GDI : Not Used Smartstream G2.5 GDI : Electronic Oil Pump |
| Vacuum pump2 | 20A | Fuse (size not listed) | Smartstream G2.5 T-GDI : Vacuum Pump Smartstream G2.5 GDI : Not Used |
| Vacuum pump3 | 10A | Fuse (size not listed) | Smartstream G2.5 T-GDI : ESP Module Smartstream G2.5 GDI : Not Used |
| HORN | 20A | Fuse (size not listed) | Horn Relay |
| SENSOR2 | 10A | Fuse (size not listed) | Smartstream G2.5 T-GDI : Variable Oil Pump Valve, Oil Control Valve (Exhaust), Cooling Fan Controller, Recirculation Valve, Oil Level Sensor, Purge Control Solenoid Valve, E/R Junction Block (A/C Relay) Smartstream G2.5 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 | 10A | Fuse (size not listed) | E/R Junction Block (Fuel Pump Relay) |
| ECU3 | 10A | Fuse (size not listed) | Smartstream G2.5 T-GDI : ECM Smartstream G2.5 GDI : PCM |
| ABS3 9-56 | 10A | Fuse (size not listed) | ESP Module |
Blade fuse colours
- 5A Tan
- 7.5A Brown
- 10A Red
- 15A Blue
- 20A Yellow
- 25A Clear
- 30A Green
- 35A Blue-green
- 40A Orange
Cartridge (J-case) colours
- 20A Blue
- 25A White
- 30A Pink
- 40A Green
- 50A Red
- 60A Yellow
Source: 2026 Hyundai Sonata Owner's Manual, "Fuses" section, p. 9-4 and 9-56.
Always replace a fuse with one of the same amp rating. If a new fuse blows straight away, the circuit has a fault.