Is it expensive to fix a brake light?

Usually, no: replacing a simple brake-light bulb is often $10–$50 if you do it yourself or about $50–$120 at a shop. Costs rise when the car uses an integrated LED tail-lamp assembly or has an electrical fault, which can push the bill to $150–$500 or more. Fixing it promptly improves safety and helps you avoid a potential traffic stop or fine.

What determines the price

Brake lights can be cheap or costly depending on the part your vehicle uses and whether any wiring or control components are involved. The items below show common parts and labor factors that affect the total.

• Conventional bulb (incandescent/halogen): $5–$20 for the part; installed at a shop typically $50–$120 total (0.2–0.6 labor hours).
• LED replacement bulb (for compatible housings): $15–$40 per bulb; installation similar to conventional bulbs.
• Integrated LED tail-lamp assembly: $100–$600+ for the assembly; $150–$800+ installed, with premium European models sometimes $700–$1,200.
• Center high-mounted stop lamp (third brake light): $20–$150 part if serviceable separately; $80–$350 installed, more if integrated into a spoiler or trunk lid.
• Labor rates: commonly $100–$200 per hour in the U.S. as of 2025; dealerships and luxury-brand specialists can be $160–$250+ per hour.
• Brake-light switch at the pedal: $15–$75 part; $80–$200 installed (0.3–0.8 hours).
• Fuse or relay: $5–$20 part; $50–$120 installed if no further diagnosis is needed.
• Wiring/connectors or water intrusion repair: $20–$100 in materials; $150–$400+ in labor depending on corrosion or harness damage.
• Diagnostic time for intermittent faults or module issues: $50–$150 for basic checks; $150–$300+ if advanced testing is required.

In short, the big cost swing comes from whether you’re swapping a simple bulb or replacing an entire LED assembly or fixing electrical issues.

Typical scenarios and what they cost

Bulb-only replacement

For many vehicles with conventional bulbs, expect $10–$50 DIY (bulb plus basic tools) or $50–$120 at an independent shop. Time is 10–30 minutes, often less if there’s easy trunk access to the lamp holder.

LED tail-lamp assembly replacement

If an LED array fails and it’s not a user-replaceable bulb, the entire housing may need replacement. Parts typically run $100–$600+; installed cost is commonly $150–$800+. Some German brands may require coding after replacement ($50–$120), pushing totals higher. Time is 30–90 minutes.

Brake-light switch or fuse

When all brake lights fail at once, a blown fuse or a bad brake-light switch is likely. Fuses are inexpensive and quick. Switch replacement usually totals $80–$200 installed and takes under an hour.

Wiring or control-module issue

Intermittent or multi-circuit failures can require diagnostics. Budget $150–$400+ for tracing and repairs; complicated corrosion or harness damage can exceed $500, especially if trim removal is extensive.

DIY or professional: choosing the right approach

Many owners can change a conventional bulb at home with a screwdriver, but LED assemblies, fragile trim, and modern electrical systems may be better left to a pro. Check your owner’s manual for access instructions specific to your model.

If you want to try a basic DIY bulb swap, the steps below outline a common process; your vehicle may differ.

1. Verify the failure: have someone press the brake while you check both rear lights and the third brake light.
2. Locate access: open the trunk/hatch and remove trim or access panels behind the tail lamp.
3. Remove the bulb holder: twist counterclockwise and pull out carefully.
4. Replace the bulb: match the part number (e.g., 1157, 7443) and avoid touching glass with bare fingers.
5. Inspect the socket: look for corrosion or melting; clean contacts or replace the socket if needed.
6. Test before reassembly: press the brake to confirm operation.
7. Reinstall the holder and trim: ensure gaskets and seals are seated to prevent moisture.

If your car uses a sealed LED assembly, has moisture inside the lamp, or shows persistent warnings, consider professional service to avoid damage to trim or electronics.

Ways to avoid surprises and save money

There are a few practical steps that can keep costs down and reduce repeat failures.

• Check warranty and recalls: some LED assemblies or switches are covered by extended warranties or service campaigns.
• Compare parts: OEM often fits best; quality aftermarket can be cheaper. Avoid very low-cost bulbs that burn out quickly.
• Use a mobile mechanic for simple swaps: labor can be lower than at dealerships for straightforward jobs.
• Replace bulbs in pairs: keeps brightness and color consistent across both sides.
• Keep a spare bulb in the glove box: especially if you drive at night or long distances.
• Protect against moisture: ensure tail-lamp seals and gaskets are intact; address cracks promptly.
• Clean sockets and grounds: corrosion increases resistance and heat, shortening bulb life.

A bit of preventative care and smart parts sourcing often keeps the fix inexpensive and reliable.

Legal and safety considerations

Driving with an inoperative brake light can be a traffic violation, with fines that vary by jurisdiction (commonly $25–$200). More importantly, working brake lights reduce rear-end collision risk by improving your visibility and stopping intent to drivers behind you. Check your lights monthly or any time a dashboard warning appears.

Time expectations

A simple bulb swap typically takes 10–20 minutes. Replacing an LED assembly generally takes 30–90 minutes, depending on trim access. Electrical diagnostics can extend the visit to a couple of hours. Parts availability matters: common bulbs are stocked everywhere; some LED assemblies may need to be ordered, adding a day or two.

Bottom line

Fixing a brake light is usually inexpensive when it’s just a bulb—often under $100 at a shop and even less DIY. Costs climb when an integrated LED assembly or electrical fault is involved, at $150–$500+ installed. Address the issue promptly for safety, to avoid tickets, and to prevent related electrical problems.

Summary

Most brake light fixes are cheap and quick, especially for conventional bulbs. Integrated LED assemblies and electrical issues are the main drivers of higher cost. Verify what your car uses, consider a DIY bulb replacement if feasible, and seek professional help for LED housings or wiring faults to ensure a safe, durable repair.

How much do brake lights cost to fix?

A brake light bulb replacement can cost as little as $5 to $30 for the part, but if the entire assembly or a switch needs replacing, the cost could be $100 to $1,500 or more, depending on the part’s price, whether it’s an OEM or aftermarket part, and the labor rate at a repair shop or dealership. You can avoid labor costs by doing the replacement yourself by checking your car’s manual and following online guides. 
Factors influencing the cost

• Bulb vs. Assembly: . Opens in new tabA burnt-out brake light is often just a blown bulb, which is cheap to replace. However, a cracked taillight housing or a problem with the entire taillight assembly will be more expensive. 
• OEM vs. Aftermarket: . Opens in new tabOriginal Equipment Manufacturer (OEM) parts are generally more expensive than aftermarket parts, but they typically offer better quality and come with a warranty. 
• DIY vs. Professional Repair: . Opens in new tabYou can save money on labor costs by replacing the bulb or even the assembly yourself. 
• Labor Rates: . Opens in new tabShop labor rates vary significantly by location, with independent shops often charging less per hour than dealerships. 
• Vehicle Make and Model: . Opens in new tabThe cost of the part and the labor required can differ based on your specific car. 

How to save on costs

• DIY: Replacing a brake light bulb is a simple maintenance task that most people can do themselves, according to AutoZone.com. 
• Consult Your Manual: Your car’s owner’s manual will have instructions on how to locate and replace the bulb, and where to find the fuse if it’s blown. 
• Use Online Resources: You can find DIY videos on YouTube and helpful articles on auto parts websites and forums to guide you through the process. 

Is a brake light expensive to fix?

Cost to replace a tail light is on average £130, but can range from £120 to over £180.

Can I drive with a broken brake light?

No, you cannot legally or safely drive with a brake light out because it is a defective vehicle condition that can lead to a ticket or fine and is extremely dangerous, as it prevents other drivers from knowing when you are braking or slowing down. You should replace the bulb or get the light fixed as soon as possible to ensure your safety and avoid legal trouble. 
Legality

• Illegal: Driving with a non-functioning brake light is a violation of traffic laws in most places, including California, where all vehicle lighting equipment must be in good working order. 
• “Fix-it” ticket: While you might receive a “fix-it” ticket, which can be dismissed after you prove the light is repaired, you could also face a fine or points on your license. 

Safety Risks 

• Impaired Communication: . Opens in new tabBrake lights are crucial for communicating with drivers behind you, letting them know when you’re slowing down or stopping.
• Increased Accident Risk: . Opens in new tabA broken brake light increases the risk of a rear-end collision because other drivers won’t have adequate warning of your actions, especially at night or in bad weather.

What to Do

• Replace the Bulb: Replace the burnt-out bulb immediately. 
• Get It Fixed: If you can’t fix it yourself, get the light repaired by a professional. 
• Carry Proof: Keep a receipt or other documentation to show the police that you’ve fixed the defect if you receive a notice. 

Will AutoZone replace a brake light?

No, AutoZone does not perform the physical replacement of brake light bulbs for customers. However, they can provide assistance with locating the correct bulb for your vehicle, offering guidance on the replacement process, and connecting you with their list of AutoZone Preferred Shops for installation if you are unable to do it yourself. 
What AutoZone offers:

• Parts and advice: You can purchase the correct brake light bulbs and other necessary parts at AutoZone. AutoZone associates can also answer questions and provide guidance on how to change the bulb yourself. 
• Preferred Shops: AutoZone can direct you to their network of Preferred Shops for installation, which is a service they themselves do not provide. 

What to do if you need a replacement:

1. Visit your local AutoZone: to purchase the correct brake light bulb for your vehicle. 
2. Ask an associate: for help finding the bulb and understanding the replacement steps. 
3. Perform the replacement yourself, or if the task is too complex or you prefer not to, get help from a Preferred Shop.