Lighting System: Troubleshooting

2015 Kia K900 V8SECTION Troubleshooting
Symptom Possible cause Remedy
One lamp does not light (all exterior) Bulb or LED burned out Replace bulb or LED
Socket, wiring or ground faulty Repair if necessary
Head lamps do not light Bulb or LED burned out Replace bulb or LED
Ignition fuse (LOW: 10A, HIGH: 20A) blown Check for short and replace fuse
Head lamp fuse (15A) blown Check for short and replace fuse
Head lamp relay faulty Check relay
Lighting switch faulty Check switch
Wiring or ground faulty Repair if necessary
Tail lamps and license plate lamps do not light Bulb or LED burned out Replace bulb or LED
Tail lamp fuse (10A) blown Check for short and replace fuse
Tail lamp relay faulty Check relay
Lighting switch faulty Check switch
Wiring or ground faulty Repair if necessary
Stop lamps do not light Bulb or LED burned out Replace bulb or LED
Stop lamp fuse (15A) blown Check for short and replace fuse
Stop lamp switch faulty Adjust or replace switch
Wiring or ground faulty Repair if necessary
Stop lamps do not turn off Stop lamp switch faulty Repair or replace switch
Instrument lamps do not light (Tail lamps light) Rheostat faulty Check rheostat
Wiring or ground faulty Repair if necessary
Turn signal lamp does not flash on one side Bulb or LED burned out Replace bulb or LED
Turn signal switch faulty Check switch
Wiring or ground faulty Repair if necessary
Turn signal lamps do not light Bulb or LED burned out Replace bulb or LED
Turn signal lamp fuse (10A) blown Check for short and replace fuse
Flasher unit faulty Check flasher unit
Turn signal switch faulty Check switch
Wiring or ground faulty Repair if necessary
Hazard warning lamps do not light Bulb or LED burned out Replace bulb or LED
Hazard warning lamp fuse (15A) blown Check for short and replace fuse
Flasher unit faulty Check flasher unit
Hazard switch faulty Check switch
Wiring or ground faulty Repair if necessary
Flasher rate too slow or too fast Lamps' wattages are smaller or larger than specified Replace lamps (LED or bulb)
Flasher unit faulty Check flasher unit
Back up lamps do not light Bulb burned out Replace bulb
Back up lamp fuse (10A) blown Check for short and replace fuse
Back up lamp switch (M/T) faulty Check switch
Transaxle range switch (A/T) faulty Check switch
Wiring or ground faulty Repair if necessary
Room lamp does not light Bulb burned out Replace bulb
Room lamp fuse (10A) blown Check for short and replace fuse
Room lamp switch faulty Check switch
Wiring or ground faulty Repair if necessary
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.