Look up fuse designation and location on Kia Optima. If your radio, windows, and cigarette outlet is not working, the problem can be a blown fuse. Kia Optima has fuses in several locations, including under the dashboard and engine bay.
Dashboard / Interior Fuses
Driver’s Side of Dashboard
| Fuse name | Fuse Rating [A] | Circuit protected |
| MODULE 7 | 10 | Around View Unit, Front Air Ventilation Seat Control Module, Front Seat Warmer Control Module, Rear Seat Warmer Control Module |
| MODULE 5 | 10 | A/C Control Module, Electro Chromic Mirror, Crash Pad Switch, Head Lamp LH/RH, Auto Head Lamp Leveling Device Module, A/V & Navigation Head Unit, Fuel Lid & Trunk Open Switch, Shift Lever Indicator, Driver IMS Module, Driver IMS Module, Front Air Ventilation Seat Control Module, Front Seat Warmer Control Module, Rear Seat Warmer Control Module |
| MODULE 6 | 10 | BCM, Smart Key Control Module |
| A/CON | 10 | A/C Control Module, E/R Junction Block (Blower Relay) |
| START | 10 | [W/O Smart Key & IMMO.] ICM Relay Box (Burglar Alarm Relay) [With Smart Key / IMMO.] Transaxle Range Switch, PCM (G4KH/G4KJ) |
| A/BAG | 15 | SRS Control Module, Passenger Occupant Detection |
| MODULE 3 | 10 | BCM, ATM Shift Lever, Stop Lamp Switch, DBL Unit, Keyboard, A/C Control Module |
| MODULE 4 | 10 | Console Switch, Blind Spot Detection Radar LH/RH, Smart Cruise Control Unit, AEB Module, Lane Keeping Assist Module |
| INTERIOR LAMP | 10 | Trunk Room Lamp, Ignition Key Ill. & Door Warning Switch, Glove Box Lamp, Driver/Passenger Smart Key Outside Handle, Front Vanity Lamp Switch LH/RH, Overhead Console Lamp, Center Room Lamp, Center Personal Lamp, Rear Personal Lamp LH/RH, Driver/Passenger Scuff Lamp |
| MDPS | 10 | MDPS Unit (Column/Rack), Steering Angle Sensor |
| IG1 | 25 | PCB Block (Fuse ? TCU 2, ABS 3, ECU 3, VACUUM PUMP 2) |
| MODULE 9 | 10 | Immobilizer Module, Smart Key Control Module |
| WASHER | 15 | Multifunction Switch (Wiper Low & Washer Switch) |
| MODULE 8 | 10 | A/C Control Module, Driver/Passenger Door Module |
| CLUSTER | 10 | Instrument Cluster (IG1) |
| MULTIMEDIA | 15 | Audio, A/V & Navigation Head Unit, Keyboard |
| HEATED STEERING | 15 | BCM (Steering Wheel Heated) |
| MODULE 1 | 10 | Console Switch, Key Solenoid, Driver/Passenger Door Module |
| DR LOCK | 20 | Door Lock Relay, Door Unlock Relay |
| SMART KEY | 15 | Smart Key Control Module |
| A/BAG IND | 10 | Instrument Cluster (Air Bag IND. Power) |
| TRUNK | 10 | Trunk Lid Relay, Fuel Filler & Trunk Open Switch, Trunk Lid Motor, ICM Relay Box (Fuel Filler Open Relay) |
| SUNROOF 2 | 20 | Sunroof Control Unit (Roller) |
| MEMORY 1 | 10 | Instrument Cluster, A/C Control Module, Data Link Connector, BCM, Wireless Charger, Driver IMS Module, Rain Sensor, ICM Relay Box (Outside Mirror Folding/Unfolding Mirror Relay), Security Indicator, Auto Light & Photo Sensor, Driver/Passenger Door Module, Electro Chromic Mirror |
| S/HEATER RR | 25 | Rear Seat Warmer Control Module |
| SUNROOF 1 | 20 | Sunroof Control Unit (Glass) |
| S/HEATER FRT | 25 | Front Air Ventilation Seat Control Module, Front Seat Warmer Control Module |
| MODULE 2 | 10 | Audio, A/V & Navigation Head Unit, Keyboard, Around View Unit, AMP, Power Outside Mirror Switch, Smart Key Control Module, BCM, Wireless Charger, Rear USB Charger #1/#2, E/R Junction Block (Power Outlet Relay) |
| P/WINDOW RH | 25 | Power Window RH Relay, Rear Power Window Switch RH, Power Window Main Switch, Passenger Safety Power Window Module |
| P/SEAT PASS | 25 | Passenger Seat Manual Switch, Walk-In Relay Module, Passenger Reclining Limit Switch |
| AMP | 25 | AMP (JBL) |
| BRAKE SWITCH | 10 | Stop Lamp Switch, Immobilizer Module, Smart Key Control Module, Start/Stop Button Switch |
| P/WINDOW LH | 25 | Power Window LH Relay, Rear Power Window Switch LH, Power Window Main Switch, Driver Safety Power Window Module |
| P/SEAT DRV | 30 | Driver Seat Manual Switch, Driver IMS Module |
| POWER OUTLET | 20 | Front Power Outlet #1, Front Cigarette Lighter & Power Outlet #2 |
Engine Bay
| Fuse name | Fuse rating | Circuit protected | |
| MULTI FUSE | MDPS1 | 80 | MDPS Unit (Column) |
| COOLING FAN 2 | 60 | [G4KH/G4FJ] Cooling Fan1 Relay, Cooling Fan2 Relay | |
| COOLING FAN 1 | 50 | [G4KJ] Cooling Fan1 Relay | |
| B+ 3 | 50 | Smart Junction Block (IPS 2 (IPS 5), IPS 3 (IPS 6), IPS 7, IPS 8) | |
| REAR HEATED | 50 | Rear Heated Relay | |
| DCT1 | 40 | [G4FJ-DCT] TCM | |
| BLOWER | 40 | Blower Relay | |
| POWER OUTLET 1 | 40 | Power Outlet Relay | |
| IG2 | 30 | [W/O Smart Key] Start Relay, Ignition Switch,
[With Smart Key] Start Relay, PCB Block (IG2 Relay) | |
| MDPS 2 | 100 | MDPS Unit (Rack) | |
| B+1 | 60 | Smart Junction Block (Fuse ? SUNROOF1, SUNROOF2, S/HEATER RR, P/SEAT DRV, P/SEAT PASS, P/WINDOW LH, P/WINDOW RH, TRUNK) | |
| B+5 | 60 | PCB Block (Engine Control Relay, Fuse ? TCU1, ECU2, FUEL PUMP, HORN, WIPER1) | |
| B+2 | 60 | Smart Junction Block (IPS 1, IPS 4, Fuse ? AMP, S/HEATER FRT) | |
| ABS1 | 40 | ESC Module | |
| IG1 | 40 | [W/O Smart Key] Ignition Switch,
[With Smart Key] PCB Block (IG1/ACC Relay) | |
| DCT 2 | 40 | [G4FJ-DCT] TCM | |
| ABS 2 | 30 | ESC Module, Multipurpose Check Connector | |
| FUSE | B+4 | 40 | Smart Junction Block (Leak Current Autocut Device Fuse ? INTERIOR LAMP, MEMORY1, MULTIMEDIA, Fuse ? DOOR LOCK, MODULE1, SMART KEY, BRAKE SWITCH) |
| E-CVVT 1 | 40 | E-CVVT Relay | |
| VACUUM PUMP 1 | 20 | Vacuum Pump | |
| DEICER | 20 | Deicer Relay | |
| AMS | 10 | Battery Sensor | |
| E-CVVT 2 | 20 | PCM | |
| A/CON | 10 | A/C Control Module | |
| E-CVVT 3 | 20 | PCM | |
| HEATED MIRROR | 10 | A/C Control Module, Driver/Passenger Power Outside Mirror, ECM | |
| WIPER 2 | 10 | BCM, PCM/ECM | |
| H/LAMP HI | 20 | Head Lamp HI Relay | |
| FUEL PUMP | 20 | Fuel Pump Relay | |
| ECU 1 | 20 | PCM/ECM | |
| SENSORS 2 | 10 | E/R Junction Block (Fuel Pump Relay, Cooling Fan 1/2 Relay) [G4KJ] Oil Control Valve (Exhaust), Purge Control Solenoid Valve, Variable Intake Solenoid Valve, CanisterClose Valve [G4KH] Oil Control Valve (Exhaust), Purge Control Solenoid Valve, RCV Control Solenoid Valve, Canister Close Valve [G4FJ] Oil Control Valve #1/#2, Purge Control Solenoid Valve, RCV Control Solenoid Valve, Canister Close Valve | |
| TCU 2 | 15 | Transaxle Range Switch, TCM | |
| ABS 3 | 10 | ESC Module, Multipurpose Check Connector | |
| POWER OUTLET 3 | 20 | Rear Power Outlet | |
| B/UP LAMP | 10 | PCM/TCM, Transaxle Range Switch, Audio, Electro Chromic Mirror, Rear Combination Lamp (IN) LH/RH | |
| SENSOR 1 | 15 | Oxygen Sensor (Up/Down) | |
| IGN COIL | 20 | Ignition Coil #1/#2/#3/#4 | |
| ECU 2 | 10 | PCM/ECM | |
| TCU 1 | 10 | PCM/TCM | |
| VACUUM PUMP 2 | 10 | Vacuum Pump, Vacuum Switch | |
| ECU 2 | 10 | PCM/ECM | |
| POWER OUTLET 2 | 20 | Front Power Outlet #1 | |
| HORN | 20 | Horn Relay, ICM Relay Box (Burglar Alarm Horn Relay) | |
| WIPER 1 | 30 | Wiper Power Relay |
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Notes:
- Check the appropriate fuse if your vehicle’s lights, accessories, controls, radio, or cigarette outlets have stopped working. A blown fuse will have the element inside melt.
- Always replace a blown fuse with the same rating fuse. If the new fuse blows again, there is an electrical problem. Do not install a higher-rated fuse. Installing a higher-rated fuse could cause damage and possibly even fire.
- Always turn the ignition OFF when you are replacing fuses.
Fuses blow for a reason which is usually due to circuit overload. You will need to troubleshoot the issue if the replaced fuse blows again. For more help, see our guide on reading and diagnosing vehicle problems.
We have published many more repair guides for your vehicle. Make sure to check out the Vehicle Repair Guides section.
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