Where are the Fuse Boxes located in the 2020 Hyundai Tucson?

2020 Hyundai Tucson has 2 main boxes with fuses and relays. One is in the cabin (Passenger Compartment) and another is under the hood (Engine Compartment).

2020 Hyundai Tucson Under Dash Fuse Box and Relay Location 

2020 Hyundai Tucson Under Hood Fuse Box and Relay location

The Engine compartment fuse block is in the engine compartment is located on the driver side of the vehicle.

Battery Terminal(main fuse)

2020 Hyundai Tucson under Dash Fuse Box Layout

2020 Hyundai Tucson under Dash Fuse Box and Relay Details

Assignment of the fuses and relays in the Passenger compartment

NameAmp ratingCircuit Protected
A/CON 17.5AA/C Control Module, Cluster Ionizer (Auto A/C), E/R Junction Block (Blower Relay)
WIPER RR15AICM Relay Box (Rear Wiper Relay), Rear Wiper Motor
MODULE 610ABCM, Smart Key Control Module
WASHER15AMultifunction Switch (Washer Switch)
MODULES7.5ACrash Pad Switch, Parking Distance Warning Buzzer, BCM, ATM Shift Lever, 4WD ECM, Console Switch, Blind-Spot Collision Warning Unit LH/RH, Lane Keeping Assist Unit, Forward Collision Avoidance Assist Unit
AIR BAG15ASRS Control Module, Passenger Occupant Detection Sensor
MODULE 110ABCM, Smart Key Control Module, Audio, A/V & Navigation Head Unit, AMP, Power Outside Mirror Switch, PCB Block (Power Outlet Relay), Wireless Charger, Surround View Monitor, Rear USB Charger
START10AICM Relay Box (Burglar Alarm Relay), Transaxle Range Switch
MODULE 77.5AFront Air Ventilation Seat Control Module, Front Seat Warmer Control Module, Rear Seat Warmer, Surround View Monitor
HEATED STEERING15ABCM
MODULE 87.5ACenter Facia Switch, Key Solenoid, Forward Collision Avoidance Assist Unit, Data Link Connector
MODULE 47.5AMultipurpose Check Connector, A/C Control Module, Audio, A/V & Navigation Head Unit, Electro Chromic Mirror, Front Air Ventilation Seat Control Module, ATM Shift Lever ILL., Front Seat Warmer Control Module, Rear Seat Warmer
A/BAG IND7.5AInstrument Cluster, Center Facia Switch
MODULE 310ABCM, ATM Shift Lever, Stop Lamp Switch
SMART KEY115ASmart Key Control Module
MODULE 910ABCM, Security Indicator, Rain Sensor
4WD20A4WD ECM
TAILGATE OPEN10ATail Gate Open Relay
S/HEATER RR15ARear Seat Warmer
MDPS7.5AMDPS Unit
SMART KEY 37.5ASmart Key Control Module, Immobilizer Module
CLUSTER7.5AInstrument Cluster (IG1 Power)
SMART KEY 210ASmart Key Control Module, Start/Stop Button Switch, Immobilizer Module
MULTIMEDIA15AAudio, A/V & Navigation Head Unit
INTERIOR LAMP10AIgnition Key III. & Door Warning Switch, Luggage Lamp, Glove Box Lamp, Overhead Console Lamp, Front Vanity Lamp LH/RH, Room Lamp, Rear Personal Lamp LH/RH, Wireless Charger
DOOR LOCK20ADoor Lock Relay, Door Unlock Relay, ICM Relay Box (Two Turn Unlock Relay)
SUNROOF 220APanorama Sunroof
POWER OUTLET20AW/O Wireless Charging: Front Power Outlet & Cigarette Lighter
With Wireless Charging: Cigarette Lighter
BRAKE SWITCH7.5ASmart Key Control Module, Stop Lamp Switch
MEMORY 210AInstrument Cluster, A/C Control Module, Electro Chromic Mirror
P/SEAT (PASS)30APassenger Seat Manual Switch
S/HEATER FRT20AFront Air Ventilation Seat Control Module, Front Seat Warmer Control Module
MODULE 220APCB Block (Fuse – ABS3, ECU6, TCU2)
SUNROOF 120APanorama Sunroof
A/CON 27.5AA/C Control Module
HEATED MIRROR10ADriver/Passenger Power Outside Mirror, A/C Control Module, ECM (G4FJ)
P/SEAT (DRV)30ADriver Seat Manual Switch
SAFETY P/WINDOW DRV25ADriver Safety Power Window Module
P/WINDOW RH25APower Window Main Switch, Passenger Power Window Switch
P/WINDOW LH25APower Window Main Switch
AMP25AAMP

2020 Hyundai Tucson Under Hood Fuse Box Layout

2020 Hyundai Tucson under Hood Fuse Box and Relay Details

Assignment of the fuses and relays in the Engine compartment

NameAmp ratingCircuit Protected
MDPS80AMDPS Unit
B+160ASmart Junction Block (ARISU-LT IPS 1, IPS 2, IPS 3, IPS 4, Fuse – AMP)
B+260ASmart Junction Block (ARISU-LT IPS 5, IPS 6, IPS 7, IPS 8, Fuse – SMART KEY1, SMART KEY2, BRAKE SWITCH, MODULE9)
B+350ASmart Junction Block (Fuse – SUNROOF1, SUNROOF2, S/HEATER FRT, S/HEATER RR, SAFETY P/WINDOW DRV), Power Window Relay (Fuse – P/WINDOW LH, P/WINDOW RH)
ABS140AESC Module, Multipurpose Check Connector
ABS240AESC Module, Multipurpose Check Connector
IG140AIgnition Switch (W/O Smart Key), PCB Block (PDM (IG1)/PDM (ACC) Relay – With Smart Key)
IG230AStart Relay, Ignition Switch (W/O Smart Key), PCB Block (PDM (IG2) Relay – With Smart Key)
PTC HEATER 150APTC 1 Relay
PTC HEATER 250APTC 2 Relay
B+450ASmart Junction Block (Fuse – MODULE8, 4WD, P/SEAT (DRV), P/SEAT (PASS), TAILGATE OPEN, DOOR LOCK, Leak Current Autocut Device – Fuse Switch, INTERIOR LAMP, MULTIMEDIA, MEMORY2)
COOLING FAN140AG4NC/G4KJ: Cooling Fan High Relay
COOLING FAN150AG4FJ: Cooling Fan High Relay
TCU340AG4FJ – 7DCT: TCM
TCU440AG4FJ – 7DCT: TCM
BLOWER40ABlower Relay
POWER TAILGATE40APower Tail Gate Module
REAR HEATED40ARear Defogger Relay
WIPER FRT210ABCW
E-CVVT220AG4KJ: PCM
E-CVVT120AG4KJ: PCM
WIPER FRT125AIgnition Switch (W/O Smart Key), PDM (IG2) Relay (With Smart Key)
TCU115AG4FJ: TCM (7DCT),
G4KJ: PCM
A/C10AE/R Junction Block (A/C Relay)
ECU320APCM (G4NC/G4KJ) / ECM (G4FJ)
HORN15AHorn Relay
BATTERY MANAGEMENT10ANot Used
SENSOR210AG4NC: Oil Control Valve #1/#2, Camshaft Position Sensor #1/#2, Purge Control Solenoid Valve, Variable Intake Solenoid Valve, Canister Close Valve, E/R Junction Block (A/C Relay, Cooling Fan High Relay)
G4FJ: Oil Control Valve #1/#2, Purge Control Solenoid Valve, Canister Close Valve, RCV Control Solenoid Valve, E/R Junction Block (A/C Relay, Cooling Fan High Relay)
G4KJ: Canister Close Valve, Variable Intake Solenoid Valve, E/R Junction Block (A/C Relay, Cooling Fan High Relay)
SENSOR115AOxygen Sensor (Up)/(Down)
ECU220AIGNITION COIL #1/#2/#3/#4, Condenser (G4NC)
ECU515APCM (G4NC) / ECM (G4FJ)
ECU415APCM (G4NC/G4KJ) / ECM (G4FJ)
SENSOR310AG4NC: PCM
G4FJ: ECM
G4KJ: Purge Control Solenoid Valve, Oil Control Valve
MODULE310AE/R Junction Block (Fuel Pump Relay)
DEICER15AE/R Junction Block (Deicer Relay)
FUEL PUMP20AE/R Junction Block (Fuel Pump Relay)
B/ALARM HORN15AE/R Junction Block (B/Alarm Horn Relay)
ABS310AESC Module
MODULE210ANot Used
POWER OUTLER FRT20AFront Power Outlet & Cigarette Lighter (W/O Wireless Charging), Front Power Outlet (With Wireless Charging)
ECU610APCM (G4NC/G4KJ) / ECM (G4FJ)
TCU215ATransaxle Range Switch, TCM (G4FJ – 7DCT)
B/UP LAMP10ATCM (G4FJ), Transaxle Range Switch, Electro Chromic Mirror, Rear Combination Lamp (IN) LH/RH
POWER OUTLER REAR20ARear Power Outlet
ECU130AEngine Control Relay

WARNING: The terminal and harness assignments for individual connectors may vary depending on the vehicle’s equipment level, model, and market. It is recommended to refer to the fuse box diagram provided at the back of the fuse box cover for accurate information.

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