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Brake Lights

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P0504 OBD-II Trouble Code: Brake Switch “A”/”B” Correlation
Diagnostic Diagnostic Trouble Code (DTC): P0504 P0504 code definition When a malfunction is detected in the brake light switch of a vehicle, the PCM (powertrain control module) records the P0504 code, and the Check Engine Light is illuminated. What the...
How to Replace a Brake Light Bulb
Brake lights are powered by bulbs which fail when the brake light is dimmer than usual, is slow to respond, or the Brake Warning Light comes on.
How to Replace Your Brake Light Switch
The brake lights of your car are controlled by switches connected to the brake pedal underneath the steering wheel. These switches are...
How to Check Your Car Brake Lights
Car brake lights are essential for driving safely. Check the brake lights and brake fuses regularly to keep the brake system working well.
Symptoms of a Bad or Failing Vacuum Pump
Common signs include poor fuel efficiency, difficulty pressing the brake pedal, oil leaking under the engine, and the AC not working.
Symptoms of a Bad or Failing Turn Signal Switch
Common signs include the turn signal indicator continuing to blink when the steering wheel returns to the center and having to hold the lever down.
Symptoms of a Bad or Failing Brake Light Bulb
If a brake light is dimmer or brighter than usual, slow to respond, or the Brake Warning Light comes on, you may need to replace a brake light bulb.
Symptoms of a Bad or Failing Brake Light Bulb
If a brake light is dimmer or brighter than usual, slow to respond, or the Brake Warning Light comes on, you may need to replace a brake light bulb.
How to Use Your Car Lights to Stay Safe and Legal
Following Following the rules of the road, including using your vehicle's various lights in appropriate situations, makes driving safer for you, your passengers, and other drivers. In addition to the headlights, vehicles come equipped with turn signals, brake lights, and...
Symptoms of a Bad or Failing Brake Light Switch
If the brake lights either stay on when they shouldn't or do not turn on at all, you may have to replace the brake light switch.
Symptoms of a Bad or Failing Brake Light Switch
If the brake lights either stay on when they shouldn't or do not turn on at all, you may have to replace the brake light switch.
How Long Does an Emergency Parking Brake Cable Last?
Your Your emergency parking brake is something all vehicles come with. It consists of an emergency/parking brake cable which connects the parking brake shoes to the parking brake lever. This steel cable is very thin and it runs under your...
How Long Does a Brake Light Bulb Last?
Having Having properly working lights on your car is important when driving on busy roadways. Making sure that the other motorists see you and what you are doing can help to eliminate the risk of an accident. Most of the...
How Long Does a Brake Light Bulb Last?
Having Having properly working lights on your car is important when driving on busy roadways. Making sure that the other motorists see you and what you are doing can help to eliminate the risk of an accident. Most of the...
How to Buy a Good Quality Brake Light Bulb
Just Just like the light bulbs in the lamps inside your house, bulbs in your car’s lighting system eventually burn out. The brake light bulb is typically the same as the tail light bulb – when you step on the...
5 Essential Things to Know About Your Car’s Dashboard
The The dashboard in your car is the control panel of your vehicle. It provides you with all the information you need to know, as well as houses the instruments and controls for operating the vehicle properly. The dashboard provides...
Is it Safe to Drive With Brake Warning Light On?
The The brakes on your vehicle allow you to stop safely, especially in emergency situations. If your Brake Warning Light comes on, you should take notice and contact your mechanic immediately. Brakes are the most important safety feature on your...

Related questions

Question
why is battery and brake light on?
Hello, thank you for writing in. The battery light and brake light often illuminate together when your alternator has failed. You can verify this easily by scanning for diagnostic codes. These are codes that pertain to the warning lights, and...
Question
What does the Brake light mean on the dash?
There are quite a few important lights on the dash of your car, all of which are designed to provide you with vital information about vehicle systems and their operation. The Brake light on the dash should come on briefly...
Question
Warning lights on
The ABS light and brake lights indicate that there are faults stored in the Electronic Brake Control Module or EBCM. These faults need to be read out to determine the issues in the ABS system. Now it could be something...
Question
Turn signals not working
Hello! Your turn signal light malfunction is a common issue that many owners of your particular vehicle face. It's commonly caused by a faulty column switch, or a short in the wiring harness of the turn signal circuit. The harness...
Question
No brake lights
Failed brake lights can be caused by many things. The problem can be as simple as the need for new bulbs, to more complex wiring problems, or a need for a new stoplight switch. I would recommend having a professional...
Question
My tail-brake lights are not working, but my top brake light is working, and the taillights are on when the headlights are on
Since the third brake light works your brake light switch is good. This vehicle has a rear brake light out sensor module in the left rear of the trunk that needs to be checked to see if brake signal is...
Question
My abs and brakes light is on..
Hello. I usually start by checking the brake fluid level and the level sensor. Most of the time when these lights are on together it is because of low fluid. If the fluid level is good and if the sensor...
Question
Lights not working
The fuse for "exterior lighting" is the only thing that all three of these circuits share. If that checks out ok, you might be having different issues. The turn signals and hazard lights do share some wiring. The turn signal...
Question
Car will not shift out of park
Hi, it could be a failed brake light switch. If you have a faulty brake light switch, the shifter will not move. Locate the brake light switch by the brake pedal and check to see if the rubber bumper is...
Question
Brake lights won't turn on
If all of the brake lights aren't working, I would suspect either a switch or wiring problem, possibly a fuse. I would have a certified mechanic, like one from YourMechanic, test for voltage at the connector and trace it back...
Question
Brake lights won't turn off
Hello. The brake switch controls the brake lights in a vehicle. When this switch is working properly, it moves in and out which allows the brake lights to turn on and off when you engage your brakes. When the brake...
Question
Brake lights staying on.
Hi there, Chances are the brake light switch is faulty. My advice is to have a mechanic, such as one from YourMechanic, diagnose and repair the brake light switch circuit. Fuse 14 can be removed when the car is not...
Question
Brake lights staying on.
Brake lights staying on after the pedal is released is usually caused by the brake switch near the pedal being misadjusted or missing altogether. It could also be a short to power on the input side of the circuit. Have...
Question
Brake lights staying on
The brake light switch has a small rubber bumper that pushes in on it to keep the light off. The rubber bumper falls apart with age and then the brake lights stay on. The bumper on the brake pedal linkage...
Question
Brake lights stay on
Your brake pedal may not be returning all the way. Because the switch is activated by the motion of the pedal, if the pedal does not swing back all the way to it's stop, it may not turn off the...
Question
Brake lights stay on
The most common cause for the lights to stay on is the brake light switch. I recommend that you have a mechanic, such as one from YourMechanic, come by and run an inspection to diagnose your brake light issue.
Question
Brake lights not working.
Looking at the wiring diagram for your vehicle, it looks as though the mostly likely cause is a faulty brake lamp switch or a blown 20A fuse. The bulbs do not share a common ground. Check the fuse - your...
Question
Brake lights not working.
The first and easiest thing to check would be the fuse. If that's ok, check to see if the switch on the brake pedal itself hasn't fallen off. If that doesn't solve your problem, I recommend having a mechanic, such...
Question
Brake lights not working
The brake light switch should be checked for proper operation since it's the most common failure for this issue. The the brake light system needs to be checked for a switch failure and to see if water is getting into...
Question
Brake lights not working
The stop lamp switch most likely failed and is not making contact internally. The switch may need to be adjusted or replaced. I recommend seeking a technician, such as one from YourMechanic, to come and test your vehicle's brake lights...

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