Fuse Box Diagrams

2021 Hyundai Elantra Hybrid Fuse Box Diagram

The 2 fuse boxes on the 2021 Hyundai Elantra Hybrid, with every fuse and relay. Tap a fuse to see what it protects, or search for the thing that stopped working.

Year202120222023202420252026All years

Where it isInside the car, under or behind the dashboard, driver's side. Page 9-46 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 9-46 of your owner's manual.

DRIVER’S SIDE FUSE PANEL · SLOT MAP, NOT TO SCALEMEMORY110AAIR BAG210AMODULE410AMODULE77.5ASTART7.5ABATTERY MANAGEMENT10ACLUSTER7.5AIBU27.5AA/C17.5ATRUNK10AS/HEATER FRT20AP/WINDOW LH25AMULTIMEDIA15ASPARE 1 (B+)10AFCA10AMDPS7.5AMODULE67.5AS/HEATER RR20ASAFETY P/ WINDOW D…25AP/WINDOW RH25ABRAKE SWITCH10AIBU115AMODULE210AAIR BAG115AMODULE510ASPARE 2 (IG2)10AAMP25AHEATED MIRROR10ADOOR LOCK20AIAU10AMODULE37.5AA/BAG IND7.5AWASHER15AP/SEAT PASS30AP/SEAT DRV30AWIPER10AMODULE110ASUNROOF20AUSB CHARGER15AIG125A

2021 Elantra Hybrid driver's side panel fuses

Driver’s side fuse panel. Tap a row to find it on the diagram.

No.AmpsTypeProtects
MEMORY110AFuse (size not listed)A/C Controller, Instrument Cluster, A/C Control Module, Driver IMS Control Module
AIR BAG210AFuse (size not listed)SRS Control Module
MODULE410AFuse (size not listed)IBU, ATM Shift Lever Indicator, Front Console Switch, ADAS Unit, Crash Pad Switch, LKA Unit, VESS Unit
MODULE77.5AFuse (size not listed)IAU, ADAS Unit, Rear Seat Wamer Control Module, Cooling Fan Motor
START7.5AFuse (size not listed)Burglar Alarm Relay, Transaxle Range Switch, IBU, Ignition Switch
BATTERY MANAGEMENT10AFuse (size not listed)BMS Control Module
CLUSTER7.5AFuse (size not listed)Instrument Cluster (IG1)
IBU27.5AFuse (size not listed)IBU
A/C17.5AFuse (size not listed)A/C Controller, A/C Control Module, PM Sensor, E/R Junction Block (Blower Relay, PTC Heater1/2 Relay), Electronic A/C Compressor
TRUNK10AFuse (size not listed)Trunk Relay
S/HEATER FRT20AFuse (size not listed)Front Ventilation Seat Control Module, Front Seat Warmer Control Module
P/WINDOW LH25AFuse (size not listed)Power Window Main Switch
MULTIMEDIA15AFuse (size not listed)Audio, A/V & Navigation Head Unit
SPARE 1 (B+)10AFuse (size not listed)Not Used (Black Box)
FCA10AFuse (size not listed)Front Radar
MDPS7.5AFuse (size not listed)MDPS Unit
MODULE67.5AFuse (size not listed)IBU
S/HEATER RR20AFuse (size not listed)Rear Seat Warmer Control Module
SAFETY P/ WINDOW DRV25AFuse (size not listed)Driver Safety Power Window Module
P/WINDOW RH25AFuse (size not listed)Passenger Power Window Switch, Power Window Main Switch
BRAKE SWITCH10AFuse (size not listed)IBU, Stop Lamp Switch
IBU115AFuse (size not listed)IBU
MODULE210AFuse (size not listed)A/V & Navigation Head Unit, AMP, ADAS Unit, BMS Control Module, Power Outside Mirror Switch, IBU, IAU, Audio, E/R Junction Block (Power Outlet Relay)
AIR BAG115AFuse (size not listed)Passenger Occupant Detection Sensor, SRS Control Module Data Link Connector, Audio, ATM Shift Lever Indicator,
MODULE510AFuse (size not listed)A/V & Navigation Head Unit, Wireless Charger, AMP, A/C Control Module, Electro Chromic Mirror, A/C Controller, Rear Seat Wamer Control Module, Front Ventilation Seat Control Module, Front Seat
SPARE 2 (IG2)10AFuse (size not listed)Wamer Control Module, Driver IMS Control Module Not Used (Black Box)
AMP25AFuse (size not listed)AMP
HEATED MIRROR10AFuse (size not listed)A/C Controller, Driver/Passenger Power Outside Mirror
DOOR LOCK20AFuse (size not listed)Door Lock/Unlock Switch, Two Turn Unlock Relay
IAU10AFuse (size not listed)IAU, BLE Unit, Driver/Passenger Door NFC Module
MODULE37.5AFuse (size not listed)IAU, Stop Lamp Switch, Sport Mode Switch
A/BAG IND7.5AFuse (size not listed)Instrument Cluster, Overhead Console Lamp (MTS)
WASHER15AFuse (size not listed)Multifunction Switch
P/SEAT PASS30AFuse (size not listed)Not Used
P/SEAT DRV30AFuse (size not listed)Driver Power Seat Switch, Driver IMS Control Module
WIPER10AFuse (size not listed)IBU, ECM, Front Wiper Motor, PCB Block (Front Wiper (LOW) Relay)
MODULE110AFuse (size not listed)Data Link Connector, Hazard Switch, Key Interlock, Driver/Passenger Smart Key Outside Handle, Sport Mode Switch
SUNROOF20AFuse (size not listed)Sunroof Motor
USB CHARGER15AFuse (size not listed)Front USB Charger, Console USB Charger
IG125AFuse (size not listed)PCB Block (Fuse - IEB 4/ECU 3/TCU 2/EWP 3)

2021 Elantra Hybrid engine bay fuses

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

No.AmpsTypeProtects
MDPS80AFuse (size not listed)MDPS Unit
COOLING FAN60AFuse (size not listed)Cooling Fan Motor
IEB 360AFuse (size not listed)IDB Unit
PTC HEATER 250AFuse (size not listed)PTC Heater 2 Relay
B+560AFuse (size not listed)PCB Block (Engine Control Relay, Fuse - ECU 2/HORN/WIPER)
B+160AFuse (size not listed)ICU Junction Block (IPS2/IPS5/IPS6/IPS7/ IPS14)
B+260AFuse (size not listed)ICU Junction Block (IPS1/IPS4/IPS8/IPS9/ IPS10) Fuse - EWP 2, ICU Junction Block (Fuse -
B+350AFuse (size not listed)SAFETY P/WINDOW DRV, TRUNK, AMP, P/ SEAT DRV, P/SEAT PASS, S/HEATER FRT, S/ HEATER RR, Long Term Load Latch Relay
IEB 260AFuse (size not listed)(Fuse - MEMORY 1/MULTIMEDIA)) IDB Unit
PTC HEATER 150AFuse (size not listed)PTC Heater 1 Relay
BLOWER40AFuse (size not listed)Blower Relay, Multipurpose Check Connector
IG140AFuse (size not listed)Ignition Switch, PDM (IG1/ACC) Relay
IG240AFuse (size not listed)Ignition Switch, PDM (IG2) Relay
BATTERY C/ FAN 115AFuse (size not listed)Battery C/Fan Relay
IEB140AFuse (size not listed)IDB Unit, Multipurpose Check Connector
CLUTCH ACTUATOR30AFuse (size not listed)Clutch Actuator
POWER OUTLET 140AFuse (size not listed)Power Outlet Relay
EWP 210AFuse (size not listed)Auxiliary Electric Water Pump
EWP 110AFuse (size not listed)Electric Water Pump
POWER OUTLET 220AFuse (size not listed)Front Power Outlet
DCT 140AFuse (size not listed)TCM
DCT 240AFuse (size not listed)TCM
REAR HEATED40AFuse (size not listed)Rear Heated Relay
WIPER25AFuse (size not listed)Wiper Relay
HORN15AFuse (size not listed)Horn Relay
IGN COIL20AFuse (size not listed)Ignition Coil #1 ~ #4
ECU215AFuse (size not listed)ECM
SENSOR310AFuse (size not listed)E/R Junction Block (Fuel Pump Relay) Camshaft Position Sensor #1/#2 (Intake/Exhaust), Mass
SENSOR210AFuse (size not listed)Air Flow Sensor, ELCM, Oil Control Valve #1/#2 (Intake/ Exhaust),
ECU310AFuse (size not listed)Purge Control Solenoid Valve ECM, HPCU, Clutch Actuator
SENSOR115AFuse (size not listed)Oxygen Sensor (Up/Down)
IEB 410AFuse (size not listed)IDB Unit, Multipurpose Check Connector
EWP 310AFuse (size not listed)Auxiliary Electric Water Pump
ECU120AFuse (size not listed)ECM
TCU215AFuse (size not listed)Transaxle Range Switch, TCM

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: 2021 Hyundai ELANTRA Hybrid Owner's Manual, "Fuses" section, p. 9-46 and 9-49.

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