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Why does my Honda say check brake system?

The message is a brake-system warning that signals something in the braking system needs attention. It can be as simple as the parking brake being on or brake fluid being low, or as serious as a hydraulic leak, worn components, or an ABS/sensor fault. Here’s how to understand it and respond safely.


What the warning means on Honda models


Honda vehicles use a brake system warning to alert you when the brake control module detects an issue within the hydraulic system, a sensor, or the anti-lock braking/vehicle stability controls. The underlying cause can range from a minor condition you can fix yourself to a fault that requires professional inspection. If the warning persists after performing basic checks, have the car inspected promptly to avoid reduced braking performance.


Common causes of the Check Brake System message


These are the most frequent culprits that trigger the warning in many Honda models. Start here before pursuing more involved diagnostics.



  • Parking brake is engaged or not fully released.

  • Brake fluid level is low or there is a hydraulic leak (in the master cylinder, lines, calipers, or ABS module).

  • Worn brake pads or shoes, which can trigger a warning or affect braking performance.

  • Faulty brake master cylinder or other hydraulic components.

  • ABS/ESC (electronic stability control) system fault or a bad wheel speed sensor.



Addressing these common causes often resolves the message. If the warning remains after checking these items, a professional inspection is advised.


What to do now: quick checks you can perform


If the warning appears while driving or stays on after starting the car, follow these steps to assess safety and decide whether to continue driving or seek help.



  1. Safely pull over when possible and stop in a safe location. If the vehicle exhibits any braking abnormality, do not continue driving.

  2. Check the parking brake: ensure it is fully released. If it is partly engaged, release it and see if the warning clears.

  3. Inspect the brake fluid level in the master cylinder reservoir under the hood. If the level is low, top it up with the correct type of brake fluid (consult owner’s manual or the cap label). Look for signs of leaks around calipers, lines, or the reservoir.

  4. Check for obvious signs of brake wear, such as grinding noises or reduced braking effectiveness. If you notice any of these, do not drive farther and seek service.

  5. If the warning persists after these checks, or if the brake pedal feels soft or sinks toward the floor, avoid driving and arrange roadside help or towing to a service center.

  6. Have the vehicle’s codes read with an OBD-II scanner that can access the brake/ABS module if you have access to one, or have a professional technician perform a diagnostic scan to identify fault codes.

  7. Consider whether an ABS/ESC warning light is also present. If an ABS light is on, the system may be disabled; driving to a repair facility with limited braking assistance is not ideal.


Regular maintenance and timely diagnosis are key. If you cannot address the issue quickly, do not rely on the car for long trips until a professional confirms it’s safe to drive.


How Honda dealerships and shops typically handle this warning


Service centers will review brake-fluid level and leaks, inspect pads and rotors for wear, verify the condition of the master cylinder and hydraulic lines, and pull ABS/EDR/ESC fault codes from the brake control module. Depending on the codes and inspection results, they may repair a leaking line, replace worn pads, replace the master cylinder, or fix a faulty ABS sensor or module. In all cases, posture toward safety remains the priority: if in doubt, tow rather than drive.


Summary


The “Check Brake System” message on a Honda signals a brake-system issue that requires attention. It can stem from simple causes like an engaged parking brake or low brake fluid, or from more complex problems such as hydraulic leaks, worn components, or ABS/sensor faults. Start with quick, safe checks (parking brake, fluid level, and visible wear), then use diagnostic codes to pinpoint the fault. If the warning persists or braking feels off, seek professional inspection promptly to ensure safe operation of the vehicle.

Why is my car telling me to check my brake system?


"Check brake system" means your vehicle's braking system has an issue that requires your immediate attention and should not be ignored. The most common causes are low brake fluid, worn brake pads, or the parking brake being engaged. It's best to drive the vehicle as little as possible and have it inspected by a professional brake specialist to prevent a serious safety risk or complete brake failure.
 
Common causes and solutions

  • Parking brake is engaged: Ensure the parking brake is fully disengaged. Sometimes a faulty switch can make the system think the parking brake is still on. 
  • Low brake fluid: This can be due to normal wear on brake pads or a leak in the system. 
    • Solution: Check the brake fluid reservoir under the hood. If the level is low, top it off with the correct type of fluid. If the level drops again, have the system inspected for leaks. 
  • Worn brake pads: As brake pads wear down, the brake fluid level drops, and the braking performance can be reduced. 
    • Solution: Have the brake pads inspected and replaced if they are below the minimum thickness. 
  • Other potential issues:
    • ABS system malfunctions: This could be due to a faulty sensor, damaged wiring, a blown fuse, or other issues within the Anti-lock Braking System. 
    • Faulty brake light switch: A malfunctioning switch can trigger the warning light. 
    • Master cylinder problems: This can be a costly repair, but it is a possibility if the brake fluid level continues to drop. 

What to do
  • Do not ignore the light. Treat this as a serious safety warning. 
  • Check the parking brake: first to see if it's the simple cause. 
  • Check the brake fluid level: and top it off if necessary. 
  • Avoid driving: the vehicle if you can, or drive as little as possible. 
  • Contact a brake specialist: to get a proper diagnosis and repair. 



Can I drive with the check brake system light on?


It's best to drive your vehicle as little as possible when the brake warning light comes on and contact a brake specialist to diagnose and repair the issue.



Is it expensive to fix a brake system issue?


A complete brake repair that includes pads, rotors, and calipers typically averages between $200 and $800 depending on the vehicle and parts used.



What does it mean when Honda says check brake system?


Brake. So your parking brake in a Honda car has the switch that tells. This actually this light to go on when the parking brake is engaged. And go off when the parking brake is disengaged.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.