Hyundai Tucson Plug-in Hybrid Fuse Box: What Each Fuse Does
From the 2026 Hyundai Tucson Plug-in Hybrid owner's manual. 2 fuse boxes listed.
Instrument panel fuse panel
| Fuse | Amps | Circuit |
|---|---|---|
| A/C | 7.5 A | Electronic A/C Compressor, Front/Rear A/C Control Switch A/C Control Module, E/R Junction Block (RLY.10, RLY.13) |
| BRAKE SWITCH | 7.5 A | IBU, Stop Lamp Switch |
| MEMORY | 10 A | - |
| A/BAG IND | 7.5 A | Instrument Cluster, Overhead Console Lamp |
| E-SHIFTER3 | 7.5 A | - |
| IG3 9 | 10 A | - |
| MODULE9 | 10 A | - |
| CCU | 10 A | CCU |
| BDC2 | 7.5 A | - |
| MODULE3 | 10 A | Stop Lamp Switch, Overhead Console Lamp, Multifunction Switch (R-MDPS) |
| IG3 8 | 10 A | - |
| MODULE10 | 10 A | - |
| wireless DCU | 7.5 A | - |
| MULTIMEDIA | 20 A | Audio, A/V & Navigation Head Unit |
| MODULE6 | 10 A | Front Console Switch, EPB Switch |
| CLUSTER | 7.5 A | - |
| IG3 7 | 10 A | - |
| DDM | 15 A | - |
| ADM | 15 A | - |
| MODULE8 | 7.5 A | Front/Rear Seat Warmer Control Module, Front Air Ventilation Seat Control Module |
| TAILGATE OPEN | 10 A | Liftgate Relay |
| SUNROOF1 | 20 A | Sunroof Control Unit (Glass) |
| MODULE4 | 10 A | Front View Camera, IBU, AWD ECM, VESS Unit, Crash Pad Switch, ECS Unit, ADAS Parking ECU |
| MDPS2 | 7.5 A | MDPS Unit (Column Type) |
| P/SEAT PASS | 30 A | Passenger Power Seat Switch, Passenger Seat Relay Unit |
| S/HEATER FRT | 20 A | Front Seat Warmer Control Module, Front Air Ventilation Seat Control Module |
| WASHER | 15 A | Multifunction Switch |
| BDC1 | 10 A | - |
| AIR BAG1 | 10 A | SRS Control Module |
| USB CHARGER | 15 A | - |
| P/WINDOW RH | 30 A | Power Window Main Switch, Passenger Power Window Switch RH |
| MODULE7 | 7.5 A | IBU |
| TRAILER3 | 20 A | - |
| AMP | 25 A | AMP |
| SUNROOF2 | 20 A | Sunroof Control Unit (Blind) |
| MODULE5 | 10 A | Front/Rear Seat Warmer Control Module, E-Call Unit, AMP, Driver IMS Control Module, Front/Rear A/C Control Switch, Audio, A/V & Navigation Head Unit, Wireless Charger Unit, Front Air Ventilation Seat Control Module, Data Link Connector, A/C Control Module, Heat Lamp LH/RH, Electro Chromic Mirror |
| P/SEAT DRV | 30 A | Driver Power Seat Switch, Driver IMS Control Module |
| P/WINDOW LH | 30 A | Power Window Main Switch, Passenger Power Window Switch LH |
| AIR BAG2 | 10 A | SRS Control Module |
| DOOR LOCK | 20 A | Dead Lock Relay, Data Link Connector, Door Unlock/Lock Relay |
| START | 7.5 A | - |
Engine compartment fuse panel
| Fuse | Amps | Circuit |
|---|---|---|
| E-SHIFTER1 | 30 A | SCU |
| TLAILER1 | 30 A | Trailer Connector Unit |
| IEB1 | 15 A | IEB Unit |
| IEB2 | 25 A | IEB Unit |
| B+3 | 60 A | ICU Junction Block (Power Window Main Relay, Fuse : F2, F3, F5, F6, F8, F9, F11, F12, F18, F15) |
| PTC HEATER | 50 A | E/R Junction Block (RLY.13) |
| B+2 | 50 A | ICU Junction Block (IPS06, IPS07, IPS08, IPS10, IPS11) |
| B+5 | 50 A | - |
| REAR HEATED | 40 A | Driver Power Outside Mirror, Passenger Power Outside Mirror |
| IG3 2 | 10 A | Electronic Water Pump (HEV) |
| IG3 3 | 10 A | BMS, E/R Junction Block (RLY.2) |
| IG3 4 | 10 A | HPCU |
| HEATED MIRROR | 10 A | - |
| IG3 5 | 10 A | - |
| IG3 6 | 10 A | - |
| AUX BATT | 60 A | - |
| TLAILER2 | 20 A | Trailer Connector Unit |
| HPCU | 10 A | HPCU |
| E-SHIFTER2 | 10 A | SCU, Electronic Shift Switch (SBW) |
| BATTERY C/FAN | 15 A | E/R Junction Block (RLY.2) |
| OPCU | 20 A | OPU |
| IG3 1 | 20 A | - |
| CHARGER | 15 A | - |
| ECU4 | 10 A | ECM |
| AMS | 10 A | - |
| FUEL LID | 10 A | - |
| 4WD | 10 A | AWD ECM |
| FUEL PUMP | 20 A | E/R Junction Block (RLY.7) |
| B+4 | 50 A | - |
| BLOWER | 50 A | E/R Junction Block (RLY.10) |
| POWER TAILGATE | 40 A | Liftgate Relay |
| CVVD | 50 A | CVVD Actuator |
| B+1 | 60 A | ICU Junction Block (IPS01, IPS02, IPS03, IPS04, IPS05) |
| COOLING FAN | 80 A | Cooling Fan Motor |
| MDPS | 80 A | MDPS Unit |
| HPCU2 | 10 A | HPCU |
| EWP2 | 10 A | Electronic Water Pump (Engine) |
| FCA | 10 A | - |
| MODULE1 | 7.5 A | Electronic Water Pump (Engine) |
| IEB3 | 10 A | IEB Unit |
| TCU2 | 15 A | TCM, OPU |
| ECU3 | 10 A | CVVD Actuator, ECM |
| SENSOR3 | 10 A | Oil Control Valve #1~#2, Purge Control Solenoid Valve, RCV Control Solenoid Valve, Variable Oil Pump, Cooling Fan Motor |
| SENSOR4 | 10 A | E/R Junction Block (RLY.7) |
| ECU1 | 20 A | ECM |
| SENSOR2 | 15 A | Oxygen Sensor (Up/Down) |
| SENSOR1 | 20 A | Ignition Coil #1~#4 |
| WIPER FRT1 | 25 A | PCB Block (Front Wiper(Low) Relay), Front Wiper Motor |
| WIPER RR | 15 A | ICU Junction Block (Rear Wiper Relay) |
| WIPER FRT2 | 7.5 A | IBU |
| HORN | 15 A | PCB Block (Horn Relay) |
| SENSOR5 | 15 A | Active Purge Pump |
| BMS | 10 A | BMS |
| EWP1 | 10 A | Electronic Water Pump (Engine) |
| TCU1 | 15 A | TCM |
| ACC | 20 A | ICU Junction Block (Fuse : F33, F36) |
| POWER OUTLET2 | 20 A | Front Power Outlet |
| POWER OUTLET1 | 20 A | Luggage Power Outlet |
| CBC | 10 A | - |
| ECU2 | 15 A | ECM |
| IG1 | 30 A | PCB Block (PDM(IG1) Relay) |
| IG2 | 30 A | PCB Block (PDM(IG2) Relay) |
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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