Kia K4 2026 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located at the left side of the steering column at the bottom of the instrument panel.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay Name | Rating | Functions |
| A/C2 | 7.5A | DATC (Dual Auto Temperature Control)/MTC (Manual Temperature Control), Engine Room Junction Block PTC (Positive Temperature Coefficient Heater) Heater Relay 1-2, Air con - Comp ( Smartstream G1.6 T-GDi) |
| A/C3 | 7.5A | DATC (Dual Auto Temperature Control)/MTC (Manual Temperature Control) |
| AIR BAG1 | 10A | ACU (Airbag Control Unit), AIR BAG, ODS (Occupant (Central Communication Unit) Detection System) |
| AIR BAG2 | 10A | ACU (Airbag Control Unit), AIR BAG |
| AMP | 25A | AMP (Amplifier), LDC (Low voltage DC-DC Converter) 450 |
| BATTERY C/FAN | 10A | 48V Battery BMS |
| BDC1 | 10A | BDC (Body Domain Controller), BMS (Battery Management System) |
| BDC2 | 7.5A | BDC (Body Domain Controller), BMS (Battery Management System) |
| BMS | 10A | BMS (Battery Management System) |
| BRAKE SWITCH | 7.5A | BDC (Body Domain Controller), Stop Lamp Switch |
| CCU | 10A | CCU (Central Communication Unit) |
| CLUSTER | 7.5A | Cluster, HUD (Head Up Display) |
| DOOR LOCK | 20A | Door Lock Relay, Door Unlock Relay, Two Turn Unlock/Dead lock Relay |
| MDPS2 | 7.5A | MDPS (Motor Driven Power Steering) |
| MEMORY1 | 10A | Cluster, MTC ((Manual Temperature Control)), DATC (Dual Auto Temperature Control), Mood Lamp, PDW Sensor |
| MEMORY2 | 7.5A | Front USB Jack, Wireless Charging |
| MODULE1 | 10A | BDC (Body Domain Controller), DCU (Domain Control Unit), CCU (Central Communication Unit), VDMS, AVN Keyboard, Overhead Console E-CALL, ADAS (Advanced Driver Assistance System) Parking ECU (electronic Control Unit), AMP (Amplifier), CCNC (Connected Car Navigation & Cockpit), LDC (Low voltage DC-DC Converter), Engine Room Junction Block Power Outlet Relay |
| MODULE2 | 10A | CCU (Central Communication Unit), DCU (Domain Control Unit), E-CALL |
| MODULE3 | 10A | Power Window Switch (Driving) |
| MODULE4 | 10A | LKAS (Lane Keeping Assist System) Camera, ADAS (Advanced Driver Assistance System) DRV, Console Upper, ADAS (Advanced Driver Assistance System) Parking ECU (Electronic Control Unit) |
| MODULE5 | 20A | ICC (In Cabin Camera) Unit, CCNC (Connected Car Navigation & Cockpit), MUT/VDMS, Overhead Console PAB, I/S MIRROR ECM, DATC (Dual Auto Temperature Control)/MTC (Manual Temperature Control) PANEL, Console Upper, CDU, Wireless Charging, LDC (Low voltage DC-DC Converter) 200/450, AMP (Amplifier), SEAT(IMS), Front Door Switch, Head Lamp LH/RH, C/PAD Switch |
| MODULE6 | 7.5A | BDC (Body Domain Controller) |
| MODULE7 | 7.5A | P-LBM (Parking Lithium Battery Module), W/S Heated Glass LH/RH Coil |
| MODULE8 | 10A | Smart Key Interlock, Rain Sensor, Hazard, MUT/PTG_A(WAG), ICC (In Cabin Camera) Unit |
| MODULE9 | 10A | Power Window Switch (Driving), IMS ECU (Electronic Control Unit), Digital Key |
| MULTIMEDIA | 25A | CCNC (Connected Car Navigation & Cockpit), LDC (Low voltage DC-DC Converter) 200 |
| OMU | 15A | Transmission Range Switch, Auto Transmission Shift Lever Indicator, Stop Lamp Switch, Engine Room Junction Block (Fuse - Back-Up Lamp) |
| P/SEAT DRV | 30A | Power Seat (Driving) |
| P/WINDOW DRV | 15A | Power Window Driving Up/Down Relay |
| P/WINDOW LH | 25A | Safety ECU (Electronic Control Unit) DRV (Driving)/PASS (Passenger)/RL, Power Window Switch RL/PASS (Passenger) |
| P/WINDOW RH | 25A | Safety ECU (Electronic Control Unit) DRV (Driving)/PASS (Passenger)/RR, Power Window Switch RR/PASS |
| S/HEATER FRT | 25A | Seat Heater/Vent (Front) |
| S/HEATER RR | 25A | Seat Heater (Rear) |
| SPARE | 10A | SPARE |
| SPARE | 15A | SPARE |
| START | 7.5A | Start Inhibit Relay, Inhibit Switch, Ignition Switch |
| SUNROOF | 20A | Sunroof |
| TRUNK OPEN | 10A | Trunk Open Relay |
| USB CHARGER1 | 15A | Rear USB Charger, Start/Stop Button |
| USB CHARGER2 | 10A | USB Charger |
| WASHER | 15A | WASHER |
| wireless DCU | 7.5A | DCU (Domain Control Unit) |
Engine compartment fuse box:
| Fuse/Relay Name | Rating | Functions |
| A/C1 | 10A | A/C Relay |
| ABS1 | 25A | ESC (Electronic Stability Control) Unit, ABS (Anti-lock Brake System) Unit, EPB (Electronic Parking Brake) Unit |
| ABS2 | 15A | ESC (Electronic Stability Control) Unit, ABS (Anti-lock Brake System) Unit, EPB( Electronic Parking Brake) Unit |
| ABS3 | 10A | ESC (Electronic Stability Control) Unit, ABS (Anti-lock Brake System) Unit, EPB (Electronic Parking Brake) Unit |
| ALT | 180A | GAMMA2 TURBO ENGINE ONLY |
| ALT | 150A | Alternator Output, MHSG (Mild Hybrid Starter and Generator) Output, BATT + |
| AMS | 10A | Battery Sensor |
| AUX BATT | 50A | P-LBM (Lithium Battery) |
| B/ALARM HORN | 15A | B/Alarm Horn, LO_B/Alarm Horn Relay |
| B+1 | 60A | PDC (IPS1, IPS2, IPS3, IPS4, IPS5, IPS6, IPS7) |
| B+2 | 50A | PDC (IPS8, IPS9, IPS10, IPS11, IPS12) |
| B+3 | 60A | PDC (Fuse - SPARE, P/SEAT DRV, S/HEATER FRT, P/WINDOW(LH/RH/DRV), OMU, SUNROOF, wireless DCU, MODULE8 |
| B+4 | 60A | PDC (Relay - Long Term Load Latch Relay, DOOR LOCK/UNLOCK Relay, Two Turn Unlock/Dead Lock Relay, Trunk/Tailgate Open Relay, Fuse - MULTIMEDIA, MEMORY1, MEMORY2, BDC1, BREAKE SWITCH, CCU, S/HEATER RR, DOOR LOCK, Trunk Open, Tailgate Open) |
| B+5 | 50A | PDC (Fuse - AMP, AIR BAG2, BMS, MODULE9, BATTERY C/FAN, A/C3, USB CHARGER2 |
| B+6 | 60A | Engine Room Junction Block PCB Block |
| BLOWER | 50A | Blower Motor Relay |
| COOLING FAN1 | 80A | Cooling Fan BLDC (Brushless Direct Current Motor) |
| COOLING FAN2 | 40A | Cooling Fan 1, 2 Relay |
| CVVD | 40A | CVVD (Continuous Variable Valve Duration) Actuator |
| DCT1 | 40A | TCU (Transmission Control Unit)_7DCT(7DCT(Dual Clutch Transmission) |
| DCT2 | 40A | TCU (Transmission Control Unit)_7DCT(7DCT(Dual Clutch Transmission) |
| DCT3 | 40A | Injector, MHSG (Mild Hybrid Starter and Generator) Signal |
| ECU1 | 20A | ECM (Engine Control Module) |
| ECU2 | 15A | ECM (Engine Control Module) |
| ECU3 | 15A | ECM (Engine Control Module) |
| ECU4 | 10A | ECM (Engine Control Module) |
| ECU5 | 10A | ECM (Engine Control Module) |
| FUEL PUMP1 | 20A | Fuel Pump Relay |
| FUEL PUMP2 | 10A | Fuel Pump Relay |
| HEAD LAMP LH | 20A | HEAD LAMP LH |
| HEAD LAMP RH | 20A | HEAD LAMP RH |
| HEATED MIRROR | 15A | ECU (Electronic Control Unit), Driver/Passenger Power Outside Mirror |
| HORN | 15A | HORN Relay |
| IG1 | 40A | IG1 Relay, ACC Relay, IGN SW |
| IG2 | 40A | IGN SW, IG2 Relay, Start Relay |
| IGN COIL | 20A | Ignition Coil |
| INJECTOR | 15A | Injector, MHSG (Mild Hybrid Starter and Generator) Signal |
| LDC | 10A | O2 Sensor |
| MDPS1 | 80A | MDPS (Motor Driven Power Steering) Unit |
| MHSG | 15A | Injector, MHSG (Mild Hybrid Starter and Generator) Signal, EWP(Electric water pump) |
| POWER OUTLET1 | 40A | Engine Room Junction Block Power Outlet Relay |
| POWER OUTLET2 | 20A | Power Outlet FRT |
| POWER OUTLET3 | 20A | Power Outlet Luggage |
| POWER TAILGATE | 40A | Power Tailgate Unit |
| PTC HEATER1 | 50A | PTC (Positive Temperature Coefficient) Heater Relay |
| PTC HEATER2 | 50A | PTC (Positive Temperature Coefficient) Heater Relay |
| REAR HEATED | 50A | Rear Heated Relay |
| SENSOR1 | 15A | O2 Sensor |
| SENSOR2 | 10A | OCV (Oil Control Valve), Oil Level Sensor, PCSV (Purge Control Solenoid Valve), VIS (Variable Induction System)/VOP (Variable Oil Pump), RCV (Recirculation Control Valve)/OPSV, CCV (Canister Close Valve) |
| SENSOR3 | 15A | Cooling Fan BLDC ( Brushless Direct Current Motor), Cooling Fan Hight Relay, Cooling Fan Low Relay |
| SPARE | 20A | SPARE |
| SPARE | 20A | SPARE |
| SPARE | 10A | SPARE |
| SPARE | 10A | SPARE |
| SPARE | 10A | SPARE |
| TCU1 | 15A | TA8 8AT(Automatic Transmission), TCU (Transmission Control Unit), 6AT TCU, CVT (Continuously Variable Transmission) TCU, 7DCT(Dual Clutch Transmission) TCU |
| TCU2 | 15A | 7DCT(Dual Clutch Transmission) TCU (Transmission Control Unit), 8AT(Automatic Transmission) TCU |
| TRAILER1 | 30A | TRAILER |
| TRAILER2 | 20A | TRAILER |
| TRAILER3 | 20A | TRAILER |
| W/S HEATED GLASS LH | 60A | Wind Shield Heated Glass LH |
| W/S HEATED GLASS RH | 60A | Wind Shield Heated Glass RH |
| WIPER FRT1 | 30A | Wiper Motor, Wiper FRT Low Relay |
| WIPER FRT2 | 10A | Wiper Parking Switch IN |
| WIPER RR | 15A | Rear Wiper |
