What does the bulb failure light mean?

What does the bulb failure light mean?

What the bulb failure light means. The computer will switch on the bulb failure warning light when it detects any non-normal voltage in any of the bulb circuits. When you find the bad bulb, replace it and the warning light should turn off.

What does the light bulb with an exclamation mark mean?

If illuminated, the light bulb with an exclamation point icon means that one of your exterior bulbs has burnt out (or at least, your Volkswagen believes it has). Check the operation of all exterior bulbs and have the defective one replaced as soon as possible.

How does bulb warning light work?

How does it work this out? The current in the bulb circuit is measured across a resistor and then a transistor circuit compares the two currents between both bulbs. If the currents don’t match then the on-board diagnostics will kick into gear and display the warning light.

What is a lamp fault?

« Back to Glossary Index. [8.20] The point where a lamp stops operating. Lamp failures from manufacturing defects are reported but not included in the calculation of lamp life.

What does orange light bulb mean?

Red is the equivalent of stop, and means the problem needs investigating immediately; orange or amber is an advisory signal, suggesting drivers will need to take action; and green says all is clear and serves as a helpful reminder. Here’s a helpful guide to the most common dashboard warning lights.

What does the yellow light with an exclamation point mean?

tire pressure warning light
The tire pressure warning light is depicted as a yellow tire with an exclamation point in the middle. The tire pressure monitoring system (or TPMS) is responsible for activating this light. If it turns on while you’re driving, you should pull over and stop as soon as possible.

What is the headlight warning light?

What the headlight range control warning light means. This warning light will only illuminate if there is an issue detected with the headlight range control system. The range control will be disabled temporarily until the problem has been solved and the code cleared using a scan tool.

What does the orange light bulb mean?

What does rear light failure warning light mean?

(j) Rear Light Failure Warning Light If this light comes on when the headlight switch is turned on (at the first or second clickstop), it indicates that one or more of the tail lights are burned out. If it comes on when the brake pedal is depressed, one or more stop lights are burned out.

What is the brake lamp?

The light labeled Brake Lamp only comes on when you have a brake light out. The Brake light will come on if your parking brake is up (or bad sensor), or if you are low on brake fluid (again, or bad sensor). The ABS light will come on if you have a problem with your anti-lock brake system.

How to troubleshoot a problem with a light bulb?

1 Check the lightbulb to see if it is loose in the socket, or has burned out. Tighten the bulb or replace it, as needed. 2 Check the socket tab in the center of the socket. 3 With the power shut off, check the wire connections on the switch to make sure they are all tight. 4 Check the wires to the light bulb socket.

What happens when there is a trouble light on?

Advanced traction and stability control and other systems are dependent on multiple automotive functions to operate properly. The result is that when a trouble light is active on one of the function, the primary system, usually the traction and/or stability control system, will be shut down.

Why is my light bulb loosening in the socket?

The constant on-off flow of electricity can sometimes loosen a light bulb in the socket. Simply screwing in tighter will fix the problem. Check the metal socket tab in the bottom center of the socket.

How to find out if a light bulb has burned out?

To diagnose these: 1 Check the lightbulb to see if it is loose in the socket, or has burned out. Tighten the bulb or replace it, as needed. 2 Check the socket tab in the center of the socket. 3 With the power shut off, check the wire connections on the switch to make sure they are all tight. 4 Check the wires to the light bulb socket.