The cause of this issue can be blown fuses in the car. If the fuses are not blown, there is a fault in the electrical system.
system failure
No unless the belt driving the alternator and cooling fan breaks
maybe the bulb is burnt
fuses are blown, or bulbs are blown
a short in the wiring system A blown fuse is caused by a short or an over current condition.
electrical inpulsis to the muscles instigated by the autonomic nervous system.
A dead or weak battery is one of the more common reasons for a car to experience electrical problems. A bad alternator, blown fuse, or broken wire are other common causes.
If you mean no electrical power then the computer couldn't give you a warning light because it has no power to operate. Common causes of lack of electrical power include a blown fusible link, a blown main relay ( not all cars have them ), a dead battery or a severe short.
You may have a flat battery, a blown fuse or a loose wire. You need to trouble shoot your electrical system to find the fault.
There are a variety of reasons the hazards lights may not work. The flasher module could need replacing. The fuse may be blown. The bulb may be blown. There could even be an electrical malfunction.
A car battery causes the headlights to shine