Fuse Box Diagrams

2026 Hyundai Tucson Plug-in Hybrid Fuse Box Diagram

The 2 fuse boxes on the 2026 Hyundai Tucson Plug-in Hybrid, with every fuse and relay. Tap a fuse to see what it protects, or search for the thing that stopped working.

Year20252026All years

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.

ENGINE COMPARTMENT · SLOT MAP, NOT TO SCALEE-SHIFTER130ATLAILER130AIEB115AIEB225AB+360APTC HEATER50AB+250AB+550AREAR HEATED40AIG3 210AIG3 310AIG3 410AHEATED MIRROR10AIG3 510AIG3 610AAUX BATT60ATLAILER220AHPCU10AE-SHIFTER210ABATTERY C/FAN15AOPCU20AIG3 120ACHARGER15AECU410AAMS10AFUEL LID10A4WD10AFUEL PUMP20AB+450ABLOWER50APOWER TAILGATE40ACVVD50AB+160ACOOLING FAN80AMDPS80AHPCU210AEWP210AFCA MODULE110AIEB310ATCU215AECU310ASENSOR310ASENSOR410AECU120ASENSOR215ASENSOR120AWIPER FRT125AWIPER RR15AWIPER FRT27.5AHORN15ASENSOR515ABMS10AEWP110ATCU115AACC20APOWER OUTLET220APOWER OUTLET120ACBC10AECU215AIG130AIG230A

2026 Tucson Plug-in Hybrid engine bay fuses

Engine compartment. Tap a row to find it on the diagram.

No.AmpsTypeProtects
E-SHIFTER130AFuse (size not listed)SCU
TLAILER130AFuse (size not listed)Trailer Connector Unit
IEB115AFuse (size not listed)IEB Unit
IEB225AFuse (size not listed)IEB Unit
B+360AFuse (size not listed)ICU Junction Block (Power Window Main Relay, Fuse F2, F3, F5, F6, F8, F9, F11, F12, F18, F15)
PTC HEATER50AFuse (size not listed)E/R Junction Block (RLY.13)
B+250AFuse (size not listed)ICU Junction Block (IPS06, IPS07, IPS08, IPS10, IPS11)
B+550AFuse (size not listed)Not named in the manual
REAR HEATED40AFuse (size not listed)Driver Power Outside Mirror, Passenger Power Outside Mirror
IG3 210AFuse (size not listed)Electronic Water Pump (HEV)
IG3 310AFuse (size not listed)BMS, E/R Junction Block (RLY.2)
IG3 410AFuse (size not listed)HPCU
HEATED MIRROR10AFuse (size not listed)Not named in the manual
IG3 510AFuse (size not listed)Not named in the manual
IG3 610AFuse (size not listed)Not named in the manual
AUX BATT60AFuse (size not listed)Not named in the manual
TLAILER220AFuse (size not listed)Trailer Connector Unit
HPCU10AFuse (size not listed)HPCU
E-SHIFTER210AFuse (size not listed)SCU, Electronic Shift Switch (SBW)
BATTERY C/FAN15AFuse (size not listed)E/R Junction Block (RLY.2)
OPCU20AFuse (size not listed)OPU
IG3 120AFuse (size not listed)Not named in the manual
CHARGER15AFuse (size not listed)Not named in the manual
ECU410AFuse (size not listed)ECM
AMS10AFuse (size not listed)Not named in the manual
FUEL LID10AFuse (size not listed)Not named in the manual
4WD10AFuse (size not listed)AWD ECM
FUEL PUMP20AFuse (size not listed)E/R Junction Block (RLY.7)
B+450AFuse (size not listed)Not named in the manual
BLOWER50AFuse (size not listed)E/R Junction Block (RLY.10)
POWER TAILGATE40AFuse (size not listed)Liftgate Relay
CVVD50AFuse (size not listed)CVVD Actuator
B+160AFuse (size not listed)ICU Junction Block (IPS01, IPS02, IPS03, IPS04, IPS05)
COOLING FAN80AFuse (size not listed)Cooling Fan Motor
MDPS80AFuse (size not listed)MDPS Unit
HPCU210AFuse (size not listed)HPCU
EWP210AFuse (size not listed)Electronic Water Pump (Engine)
FCA MODULE110AFuse (size not listed)Not named in the manual
IEB310AFuse (size not listed)IEB Unit
TCU215AFuse (size not listed)TCM, OPU
ECU310AFuse (size not listed)CVVD Actuator, ECM
SENSOR310AFuse (size not listed)Oil Control Valve #1~#2, Purge Control Solenoid Valve, RCV Control Solenoid Valve, Variable Oil Pump, Cooling Fan Motor
SENSOR410AFuse (size not listed)E/R Junction Block (RLY.7)
ECU120AFuse (size not listed)ECM
SENSOR215AFuse (size not listed)Oxygen Sensor (Up/Down)
SENSOR120AFuse (size not listed)Ignition Coil #1~#4
WIPER FRT125AFuse (size not listed)PCB Block (Front Wiper(Low) Relay), Front Wiper Motor
WIPER RR15AFuse (size not listed)ICU Junction Block (Rear Wiper Relay)
WIPER FRT27.5AFuse (size not listed)IBU
HORN15AFuse (size not listed)PCB Block (Horn Relay)
SENSOR515AFuse (size not listed)Active Purge Pump
BMS10AFuse (size not listed)BMS
EWP110AFuse (size not listed)Electronic Water Pump (Engine)
TCU115AFuse (size not listed)TCM
ACC20AFuse (size not listed)ICU Junction Block (Fuse : F33, F36)
POWER OUTLET220AFuse (size not listed)Front Power Outlet
POWER OUTLET120AFuse (size not listed)Luggage Power Outlet
CBC10AFuse (size not listed)Not named in the manual
ECU215AFuse (size not listed)ECM
IG130AFuse (size not listed)PCB Block (PDM(IG1) Relay)
IG230AFuse (size not listed)PCB Block (PDM(IG2) Relay)

2026 Tucson Plug-in Hybrid interior panel fuses

Instrument panel fuse panel. Tap a row to find it on the diagram.

No.AmpsTypeProtects
A/C7.5AFuse (size not listed)Electronic A/C Compressor, Front/Rear A/C Control Switch A/C Control Module, E/R Junction Block (RLY.10, RLY.13)
BRAKE SWITCH7.5AFuse (size not listed)IBU, Stop Lamp Switch
MEMORY10AFuse (size not listed)Not named in the manual
A/BAG IND7.5AFuse (size not listed)Instrument Cluster, Overhead Console Lamp
E-SHIFTER37.5AFuse (size not listed)Not named in the manual
IG3 910AFuse (size not listed)Not named in the manual
MODULE910AFuse (size not listed)Not named in the manual
CCU10AFuse (size not listed)CCU
BDC27.5AFuse (size not listed)Not named in the manual
MODULE310AFuse (size not listed)Stop Lamp Switch, Overhead Console Lamp, Multifunction Switch (R-MDPS)
IG3 810AFuse (size not listed)Not named in the manual
MODULE1010AFuse (size not listed)Not named in the manual
wireless DCU7.5AFuse (size not listed)Not named in the manual
MULTIMEDIA20AFuse (size not listed)Audio, A/V & Navigation Head Unit
MODULE610AFuse (size not listed)Front Console Switch, EPB Switch
CLUSTER7.5AFuse (size not listed)Not named in the manual
IG3 710AFuse (size not listed)Not named in the manual
DDM15AFuse (size not listed)Not named in the manual
ADM15AFuse (size not listed)Not named in the manual
MODULE87.5AFuse (size not listed)Front/Rear Seat Warmer Control Module, Front Air Ventilation Seat Control Module
TAILGATE OPEN10AFuse (size not listed)Liftgate Relay
SUNROOF120AFuse (size not listed)Sunroof Control Unit (Glass)
MODULE410AFuse (size not listed)Front View Camera, IBU, AWD ECM, VESS Unit, Crash Pad Switch, ECS Unit, ADAS Parking ECU
MDPS27.5AFuse (size not listed)MDPS Unit (Column Type)
P/SEAT PASS30AFuse (size not listed)Passenger Power Seat Switch, Passenger Seat Relay Unit
S/HEATER FRT20AFuse (size not listed)Front Seat Warmer Control Module, Front Air Ventilation Seat Control Module
WASHER15AFuse (size not listed)Multifunction Switch
BDC110AFuse (size not listed)Not named in the manual
AIR BAG110AFuse (size not listed)SRS Control Module
USB CHARGER15AFuse (size not listed)Not named in the manual
P/WINDOW RH30AFuse (size not listed)Power Window Main Switch, Passenger Power Window Switch RH
MODULE77.5AFuse (size not listed)IBU
TRAILER320AFuse (size not listed)Not named in the manual
AMP25AFuse (size not listed)AMP
SUNROOF220AFuse (size not listed)Sunroof Control Unit (Blind)
MODULE510AFuse (size not listed)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 DRV30AFuse (size not listed)Driver Power Seat Switch, Driver IMS Control Module
P/WINDOW LH30AFuse (size not listed)Power Window Main Switch, Passenger Power Window Switch LH
AIR BAG210AFuse (size not listed)SRS Control Module
DOOR LOCK20AFuse (size not listed)Dead Lock Relay, Data Link Connector, Door Unlock/Lock Relay
START7.5AFuse (size not listed)Not named in the manual

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 Tucson Plug-in Hybrid Owner's Manual, "Fuses" section, p. 9-4 and 9-53.

Always replace a fuse with one of the same amp rating. If a new fuse blows straight away, the circuit has a fault.