Specific elements of your Audi A4 are fundamental, if for your security or that of other individuals, making sure all these elements are in good working order is part of your legal and moral responsibilities. Today, we are going to speak about one of these elements, your vehicle’s turn indicators, the turn signals. In truth, you may have a blinker problem on Audi A4, whether it’s because they’re burned out, they produce an unusual noise, or whatever, we’re going to try to address your worries today so that you can get back on the road with assurance. To accomplish this, we will discover one at a time several blinker problems on Audi A4 and the answers to get rid of them.


The various blinker problems on Audi A4 and their solutions

We will consequently create our content page according to the sort of blinker trouble you are facing on your Audi A4. You should know that the turn signals are the only elements that allow other road users to know your changes in direction, so it is important that they are in good working order.

Blinker problem that does not flash on one side on Audi A4

If you are in the case in which, when you turn on your blinkers on the left or right side of your Audi A4 they do not light up while on the other side everything functions normally. In this situation it may be that both of your blinker bulbs are burnt out, first step for you to verify the state of your blinker bulbs, take a look at our content page on changing the indicator bulb on Audi A4 if you don’t know how to do this technique. Remember to verify the condition of the bulb socket, it may be oxidized and the electrical contact may be bad. If after examining the bulbs of the blinkers of your Audi A4 are not burnt out, you will have to remove the comodo of your turn indicators to verify that there is no false contact when you switch it on the problematic side.

Problem no blinker lights on Audi A4

Second blinker problem you may encounter on Audi A4, none of your flashers light up. If you are in this situation there is a good chance that it is an electrical trouble that is the cause of the turn signal incapacity. You will have to verify the turn signal fuse on your Audi A4, please read our content page to locate it very easily. In most cases your fuse is blown, in any other case it could be the fuse relay that is leading to the trouble. Finally, if your fuses and relays are in good condition, verify that the flasher comodo is well powered.

Problem a blinker doesn’t light up on Audi A4

Now the most basic case of blinker problems on Audi A4, only one of your blinkers doesn’t work. In this situation, the trouble is in general basic to solve and a change of a burnt-out bulb will be enough to solve it. If this is not enough, remember to examine the state of the bulb socket which could trigger a bad electrical contact and thus prevent the bulb from lighting up.

Blinker problem that lights up uncommonly on Audi A4

To conclude, the last trouble you may encounter is that the turn indicators of your Audi A4 make a different noise when you turn them on or that they work randomly. Two cases, or you have a short circuit somewhere in your electrical installation or, your turn indicator unit is malfunctioning.


As seen previously in this post, flashing lights are important security elements on your Audi A4, you must all the time ensure that they are working properly. No matter what the reason of the flasher trouble is, it must be fixed as soon as possible because accidents happen fairly quickly and whether it’s a simple fender bender or something more serious, you are bound to be at fault.

Whenever you have any additional questions about the Audi A4, do not hesitate to consult our Audi A4 category.