If it is going bad it can cause the light to come on. Try unplugging it and plugging back in and see if the light shuts off. Usually you can go to Autozone and they will test the code and see what is tripping to set the light off.
A faulty temperature sensor can cause the ECm to think your engine is overheating, this turning the heat light on constantly. You should make sure that your engine isn't in fact overheating though.
A malfunctioning sensor can cause the service engine light to stay on. A glitch in the computer can also cause the light to stay on.
Check your ABS sensor
Yes! Brake light will stay on as well. May even mess with speedo up to certain speed.
The ABS light might stay on because of a sensor issue. The braking system of most vehicles has several sensors that can cause the light to come on and stay on. This could also be a problem with brake pads or calipers.
Either the sensor is not working properly or you have enough motion such as trees swaying, etc. to cause the sensors to constantly activate the lights.
If the ABS light is on , a malfunction has been detected . It could be a fuse , a sensor , or some other problem
To make a motion sensor light stay on continuously, you can usually override the sensor by flipping the switch on and off quickly. This will keep the light on until you manually turn it off again. Keep in mind that this may vary depending on the specific model of the motion sensor light.
Not positive which one but it sounds like a computer or sensor problem
The actual cause was a defective wheel speed sensor which when replaced reset the indicators.
Dirty/faulty dawn/dusk light sensor
How do u remove break light sensor