How to Fix "Stuck" Brake Lights on a Honda

Updated on January 18, 2019
adriantheautoguy profile image

Adrian has been a diesel and auto mechanic for 7 years. He is also a veteran and the recipient of the Driver and Mechanic badge.

If you are the owner of a Honda or an Acura and find that your brake lights won't turn off, even after removing the key, I'm happy to say the solution is usually simple and cheap.

When you press down on the brake pedal, a brake pedal switch bumper on the top of the pedal assembly moves away from a plunger, activating the brake light switch.

It is highly likely that a deteriorated or missing brake pedal switch bumper is the cause of your problem.

Diagnosing the Issue

The first step is to examine the floorboard beneath the pedals. There, you will almost certainly find crumbles of blue or yellowish rubber that is broken and dry.

These crumbs are a clue that your brake pedal switch bumper has succumbed to old age and causing your brake light problem.

When age and heat get the best of the bumper, it cracks and falls out of place. With no bumper in place, the brake light switch has nothing to keep it in place, so the circuit remains open.

To confirm this is the problem, slide your hand up along the brake pedal until you find an empty hole.

Parts You Will Need

The part you will need will depend on your diagnosis.

If your brake pedal switch bumper is broken or missing, you will need a replacement brake pedal switch bumper.

If the bumper is intact, you may need a brake light switch.

How to Fix Your Brake Lights

Now that you've diagnosed the issue, fixing the problem yourself is simple.

Go to an auto parts store or Honda dealership and ask for a brake pedal switch bumper. These should cost less than $5. You may have to buy a rubber bumper assortment, which will also do the job. The assortment will come with a number of bumpers, but the one that you will need will be flanged with a flat, round top (pictured below).

A brake light switch bumper.
A brake light switch bumper.

To begin replacing the brake pedal switch bumper, you will need to:

  1. Start your car. In order to replace the part, you need to create a vacuum in the braking system, which is only possible with the car running.
  2. Press the brake pedal with one hand.
  3. With the other hand, slide the brake light switch bumper up the brake pedal, feeling around for the hole where it will go. The flat portion of the switch bumper should be facing the rear of the vehicle.
  4. When you get the flanged part of the switch bumper into the hole, push it hard so it can't easily come out. Sometimes universal bumpers are a little too large to fit, so clipping a little rubber off of the flange can help.
  5. When the bumper is in place, release the brake and the plunger will press against the new part. Your brake lights should now turn off!

If the Bumper is Intact, Try Replacing the Switch

A broken brake light switch bumper is the likeliest cause of Honda or Acura brake light issues, but sometimes a broken brake light switch is the culprit.

If, feeling along the brake pedal, you find that the rubber brake light switch bumper is in place, press the pedal and manually push the plunger on the brake light switch.

Have an assistant check for proper operation of the brake lights.

Sometimes the plungers stick and require a bit of lubrication, but other times the spring inside the brake light switch assembly can break. Most brake light switches are only $10 to $30 and are fairly easy to replace.To do this, you will need to:

  1. Unplug the switch.
  2. Loosen the adjustment nut with an 18-mm wrench.
  3. Once the adjustment nut has been loosened from the mounting plate, the threaded brake light switch can be unscrewed by hand and removed.
  4. Screw in a new brake light switch.
  5. Tighten adjustment nut. Your brake lights should now turn off!

A brake light switch.
A brake light switch.

Fixing "Stuck" Brake Lights Video Tutorial

This article is accurate and true to the best of the author’s knowledge. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in business, financial, legal, or technical matters.


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    • profile image


      6 weeks ago

      Works perfectly

    • profile image


      8 months ago

      Thank you for posting this. I would have never figured this issue out with my Honda Pilot. Only take me a couple of minutes after buying the rubber stopper at the auto parts store.

    • profile image


      8 months ago

      You were spot on with the stuck brake light fix 100 thanks to you

    • profile image


      9 months ago

      Thank you so much! Blue plastic pieces detective work and everything! God's richest blessings on u and yours for saving this widow a big hunk of $!

    • profile image


      9 months ago

      Thanks! I had to go to the dealer to get the part, but it was an easy fix!

    • profile image

      Krunal Thanki 

      11 months ago

      Great article. You save me a mechanic visits. Thanks a ton.

    • profile image


      12 months ago

      OMG fixed mine with a rubber washer and small screw! Thanks

      PS found the old part in pieces in the floor just like u said!

    • profile image


      13 months ago

      THANK YOU!! With this article I was able to fix the problem by myself.

    • profile image


      14 months ago

      You saved me a trip to the mechanic for a diagnosis of the problem! An easy fix once I read about the problem.

    • profile image


      15 months ago

      Thanks! A quick and easy fix.

    • profile image


      16 months ago

      You were absolutely right and thank you so much! Parts store had a variety package of bumpers for $5.

    • profile image


      20 months ago

      Thanks so much! That did the trick ; )

    • profile image


      21 months ago

      I am 5' 3", with short arms. I grabbed a hadite block and wedged the brake pedal down to free up both hands. Worked perfectly!!! Thanks so much... sure you saved me a ton of money!

      Oh, and the auto parts store didn't carry the part, but got it from a honda dealership for $5.

    • profile image


      22 months ago


      really helpful and easy to understand. Will try it and let you know.

    • profile image


      22 months ago

      Thanks! The advice about cutting off the end of the too-long plastic bumper was especially helpful.

    • profile image


      23 months ago

      That’s exactly what the problem was!! Two minute fix! Thank you

    • profile image


      23 months ago

      Excellent advise and right on target. Easy and quick repair.

    • profile image


      23 months ago

      Thank you so much. You saved me lots of money. The auto supply did not have the rubber bumpers but I found a plastic body clip with a flat top that fit and did the job perfectly. It cost less than $5 for a pkg of 10 of them.

    • profile image


      24 months ago

      You saved me a fortune! Thank you!!

    • profile image


      2 years ago

      Holy balls that was easy! You're a life, and money, saver.

    • profile image

      Chet Mehta 

      2 years ago

      Worked like a charm! Thank you!!

    • profile image

      Asia Howard 

      2 years ago

      I need some help

    • profile image

      Clayton C. 

      5 years ago

      Perfect fix! Thanks for the help.


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