Hyundai Santa Fe Hybrid Fuse Box: What Each Fuse Does
From the 2026 Hyundai Santa Fe Hybrid owner's manual. 2 fuse boxes listed.
Engine compartment fuse panel
| Fuse | Amps | Circuit |
|---|---|---|
| IEB1 | 40 A | IEB Unit |
| TRAILER1 | 40 A | Trailer Connector |
| POWER TAILGATE | 40 A | Power Liftgate Module |
| CVVD | 50 A | CVVD Actuator |
| B+5 | 50 A | PDC (Fuse : F29/F36/F38/F46/F48/F49/F53/ F56) |
| IG1 | 50 A | PCB Block (ACC Relay, IG1 Relay) |
| AUX BATT | 60 A | 12 V Lithium Auxiliary Battery |
| COOLING FAN1 | 100 A | Cooling Fan Motor |
| IG2 | 40 A | PCB Block (IG2 Relay) |
| VDCU1 | 40 A | VDCU |
| IG3 1 | 40 A | E/R Junction Block (RLY.6) |
| B+3 | 60 A | PDC (Fuse - F2/F9/F10/F17/F25/F26/F33/F34/ F43/F44/F51/F52/F58/F59) |
| B+6 | 60 A | PCB Block (Main Relay, Wiper Relay, Fuse : F19/F20/F21/F22) |
| IEB2 | 60 A | IEB Unit |
| MDPS1*1 | 100 A | MDPS Unit |
| VDCU4 | 20 A | VDCU |
| HPCU3 | 10 A | HPCU |
| HPCU1 | 10 A | HPCU |
| HEAD LAMP LH | 30 A | Head Lamp LH |
| HEAD LAMP RH | 30 A | Head Lamp RH |
| REAR HEATED | 40 A | E/R Junction Block (RLY.4) |
| B+1 | 50 A | PDC (IPS4, IPS5, IPS6, IPS7) |
| B+2 | 40 A | PDC (IPS11, IPS12) |
| BLOWER | 60 A | E/R Junction Block (RLY.11) |
| TRAILER3 | 60 A | Trailer Connector |
| BATTERY C/FAN | 20 A | E/R Junction Block (RLY.10) |
| 4WD | 20 A | 4WD ECM |
| TRAILER2 | 20 A | Trailer Connector |
| AMS | 10 A | 12V Battery Sensor |
| VDCU2 | 20 A | VDCU |
| PTC HEATER2 | 60 A | E/R Junction Block (RLY.8) |
| PTC HEATER1 | 60 A | E/R Junction Block (RLY.2) |
| B+4 | 60 A | PDC (Fuse : F4/F12/F20/F37/F47/F54/F55, IPS13, Long Term Load Latch Relay (Fuse : F5/F21) |
| BATTERY MANAGEMENT | 10 A | BMS Control Module** |
| OPCU1 | 20 A | OPU (Signal - Oil Pump Unit) |
| FUEL PUMP1 | 20 A | E/R Junction Block (RLY.3) |
| EWP1 | 10 A | Electronic Water Pump (Engine) |
| A/C1 | 10 A | Front A/C Control Module, Rear A/C Control Module, Rear Blower Motor** |
| WIPER FRT2 | 10 A | BDC, PCM, PCB Block (Wiper Front (LOW) Relay)** |
Engine compartment fuse panel (PCB block)
| Fuse | Amps | Circuit |
|---|---|---|
| POWER OUTLET1 | 20 A | Luggage Power Outlet |
| POWER OUTLET2 | 20 A | Front Power Outlet |
| WIPER FRT1 | 30 A | Wiper Front (LOW) Relay, Front Wiper Motor** |
| SENSOR3 | 15 A | Canister Close Valve |
| ECU1 | 20 A | ECM |
| IGN COIL | 20 A | Ignition Coil #1, #2, #3, #4 |
| WIPER RR | 15 A | Rear Wiper Motor, E/R Junction Block (RLY.7)** |
| SENSOR 1 | 15 A | Oxygen Sensor (UP/DOWN) |
| OPCU2 | 15 A | OPU (Signal - Oil Pump Unit) |
| ECU3 | 10 A | ECM, CVVD Actuator |
| FUEL PUMP2 | 10 A | E/R Junction Block (RLY.3) |
| EWP2 | 7.5 A | Electronic Water Pump, Electronic Water Pump (Engine) |
| HPCU2 | 10 A | HPCU |
| IEB3 | 10 A | IEB Unit |
| ECU2 | 15 A | ECM |
| TCU1 | 15 A | TCM |
| ECU4 | 10 A | ECM |
| HORN | 15 A | Horn Relay |
| TCU2 | 10 A | TCM |
| VDCU3 | 10 A | VDCU |
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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