Hyundai Tucson LM Quiz
Body Electrical System

Troubleshooting

In this manual: Body Electrical System
General Information — 1Engine Mechanical System — 44Engine Electrical System — 45Emission Control System — 24Engine Control System/Fuel System — 93Clutch System — 13Manual Transmission — 18Automatic Transmission — 87Four-Wheel Drive (4WD) System — 26Drive Shaft and Axle — 29Suspension System — 35Steering — 20Restraints — 47Brake System — 36Body (Interior and Exterior) — 53Body Electrical System — 202Heating, Ventilation, and Air Conditioning — 58
~2min read

Troubleshooting

Symptom Possible Cause Remedy
One lamp does not illuminate
(all exterior)		 Bulb burned out Replace the bulb.
Socket, wiring or ground is faulty Repair as necessary.
Headlamps do not illuminate Bulb burned out Replace the bulb.
Ignition fuse blown (LOW: 10 A, HIGH: 20 A) Check for a short circuit and replace the fuse.
Headlamp fuse blown (15 A) Check for a short circuit and replace the fuse.
Headlamp relay faulty Check relay
Lighting switch faulty Check the switch.
Faulty wiring or ground Repair as necessary.
Tail lamps and license plate lamp do not illuminate Bulb burned out Replace the bulb.
Tail lamp fuse blown (10 A) Check for a short circuit and replace the fuse.
Tail lamp relay faulty Check relay
Lighting switch faulty Check the switch.
Faulty wiring or ground Repair as necessary.
Stop lamps do not illuminate Bulb burned out Replace the bulb.
Stop lamp fuse blown (15 A) Check for a short circuit and replace the fuse.
Stop lamp switch faulty Adjust or replace the switch
Faulty wiring or ground Repair as necessary.
Stop lamps do not turn off Stop lamp switch faulty Repair or replace the switch
Instrument panel lamps do not illuminate
(Tail lamps illuminate)		 Rheostat is faulty Inspect the rheostat
Faulty wiring or ground Repair as necessary.
Turn signal lamp does not flash on one side Bulb burned out Replace the bulb.
Turn signal switch is faulty Check the switch.
Faulty wiring or ground Repair as necessary.
Turn signal lamps do not illuminate Bulb burned out Replace the bulb.
Turn signal fuse blown (10A) Check for a short circuit and replace the fuse.
Flasher unit is faulty Inspect the flasher unit
Turn signal switch is faulty Check the switch.
Faulty wiring or ground Repair as necessary.
Hazard warning lamps do not illuminate Bulb burned out Replace the bulb.
Hazard lamp fuse blown (15A) Check for a short circuit and replace the fuse.
Flasher unit is faulty Inspect the flasher unit
Hazard switch is faulty Check the switch.
Faulty wiring or ground Repair as necessary.

Test yourself

A quick Hyundai Tucson LM quiz: every answer comes with an explanation and a link to the manual page.