It is both frustrating and unsafe come drive your Toyota Corolla if the brake lights are stuck on. The most usual reason that they stay on is a brake irradiate switch that has failed.

You are watching: Brake lights wont turn off toyota corolla

How Brake lights Work

Brake lights occupational by having actually an electric existing sent come the brake pedal move at all times (even through the auto off). As soon as you push the brake pedal in, it sends out the present to the brake lights. It’s a very basic system that has not readjusted in virtually a century.


Brake Lights stuck on Causes: Toyota Corolla

Here are few of the most usual reasons why your Toyota Corolla’s brake lights might be grounding on. Many of them are regarded the move that transforms them ~ above or off. They room written in order indigenous most most likely to the very least likely come be bring about the problem.

1. Poor Brake irradiate Switch

Underneath the dashboard over there is a switch that the brake pedal presses into. Once you push the brakes this move is activated and also the brake lights turn on. As soon as you take her foot off the brake, that presses this move in and also the brake lights rotate off.

The within of the brake light switch have the right to wear out from the hundreds of thousands of times you press your Corolla’s brakes. Once this wake up the brakes have the right to stay on. Replacing the brake irradiate switch is far and away the number one thing that fixes brakes that room stuck on. They space not very expensive, and they are straightforward to perform yourself.

See Also:Toyota Corolla Brake Pedal Going come Floor

2. Brake move Adjustment

A common brake light switch

Nearly all brake switches have actually an adjustment developed into castle that permits them come to snug up to the pedal. If this convey is off, the plunger top top the brake pedal switch will not push in every one of the way. This keeps the brake lamp perpetually on.

3. Weak Brake Pedal

If the brake pedal is closer come the floor than it need to be, the plunger in the brake pedal switch will no longer be able to be pressed in all the way. This keeps the brakes lamp on even when the move is just fine.

To test whether or not this is the case, put your feet behind her Corolla’s brake pedal and pull that up. Walk it turn the brake lamp off? If it moved a lot higher it’s a authorize that the pedal is softer than it requirements to be. If that barely moved at all, but the brake lamp did rotate off, it probably still means that you require a new brake pedal switch. Or it might be just ever before so slightly out of adjustment.

4. Wiring Issue

It is feasible that a wiring harness issue has led to some of the wiring to melt together, or short out in some way. I’ve personally viewed this, but it is a 1% of the time or much less issue.

See more: What Continents Are In The Northern Hemisphere S, What Are The Continents In Northern Hemisphere


The easiest method to diagnose brake lights that room stuck ~ above is to unplug the wiring exploit to the brake pedal switch. If the brake lights revolve off, you understand that the switch is bad. If the brake lights stay on, you’ll require to find the wiring problem.

Conclusion: Corolla Brake Lights stuck On

Good luck diagnosing why your Corolla’s brake lamp aren’t transforming off. If over there is anything that you could be able to add for the next person, your comment would certainly be appreciated. Great luck!