Certain elements of your Toyota Sienna are essential, regardless for your security or that of other drivers, making sure that all these elements are operating properly is part of your legal and moral obligations. In this article , we are going to focus on one of these elements, your vehicle’s signals, the turn signals. In truth, you may have a blinker problem on Toyota Sienna, whether it’s because they’re burned out, they produce an unusual noise, or whatever, we’re going to try to treat your concerns today so that you can get back on the road with peacefulness. To achieve this, we will discover one after the other various blinker problems on Toyota Sienna and the answers to resolve them.


The various blinker problems on Toyota Sienna and their solutions

We will consequently produce our content according to the form of blinker trouble you are being confronted with on your Toyota Sienna. 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 essential that they are in good working order.

Blinker problem that does not flash on one side on Toyota Sienna

If you are in the situation where, when you turn on your blinkers on the left or right side of your Toyota Sienna they do not light up while on the other side everything operates normally. In this situation it may be that both of your blinker bulbs are burnt out, first step for you to examine the condition of your blinker bulbs, take a look at our content on changing the indicator bulb on Toyota Sienna if you don’t know how to do this operation. Bear in mind to examine the condition of the bulb socket, it may be oxidized and the electrical contact may be bad. If after verifying the bulbs of the blinkers of your Toyota Sienna are not burnt out, you will have to take off the comodo of your turn indicators to examine that there is no false contact when you switch it on the troublesome side.

Problem no blinker lights on Toyota Sienna

Second blinker problem you may encounter on Toyota Sienna, 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 troubles. You will have to examine the turn signal fuse on your Toyota Sienna, please visit our content to find it quickly. Most of the time 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, examine that the flasher comodo is well powered.

Problem a blinker doesn’t light up on Toyota Sienna

Now the most common case of blinker problems on Toyota Sienna, only one of your blinkers doesn’t work. In this situation, the trouble is in most cases simple to correct and a change of a burnt-out bulb will be enough to solve it. If this is not enough, keep in mind to verify the condition of the bulb socket which could trigger a bad electrical contact and thus prevent the bulb from lighting up.

Blinker problem that lights up atypically on Toyota Sienna

Finally, the last trouble you may encounter is that the turn indicators of your Toyota Sienna make a different noise when you turn them on or that they work abnormally. Two situations, or you have a short circuit somewhere in your electrical installation or, your turn indicator unit is malfunctioning.


As seen previously on this page, flashing lights are fundamental security elements on your Toyota Sienna, you must constantly ensure that that they are operating effectively. No matter what the cause of the flasher trouble is, it must be treated as soon as possible because accidents happen quickly and whether it’s a simple fender bender or something more severe, you are bound to be at fault.

If you have any further questions about the Toyota Sienna, do not hesitate to consult our Toyota Sienna category.