What Is Check Drl System Honda Civic? Meaning, Causes, Fix

The Check DRL System Honda Civic message is a pivotal alert that emerges on the dashboard of your Honda Civic. It serves as a crucial indicator of a potential problem within your vehicle’s daytime running lights (DRL) system.

Recognizing this warning is not an aspect that should be disregarded; instead, it warrants immediate attention and proper resolution to ensure the vehicle’s consistent safe operation.

This article provides a comprehensive explanation of the DRL system, the significance of the Check DRL System message, the potential causes, and how to fix it.

Addressing this issue promptly not only safeguards your vehicle’s functionality but also significantly contributes to road safety.

Understanding the DRL System

Check Drl System Honda Civic

The Daytime Running Light (DRL) system is a crucial feature embedded in your Honda Civic. This system automatically activates a pair of lights when you start your engine and drive.

The key function of this system is to enhance the visibility of your vehicle during daytime driving, making it more noticeable to other drivers and pedestrians. This visibility is especially vital in conditions such as fog or low light.

DRL lights differ from your regular headlights as they operate at a lower intensity and do not illuminate the road ahead.

Instead, they focus on making your vehicle more conspicuous in daylight conditions. Recognizing the difference between your DRL lights and regular headlights is a critical aspect of understanding your vehicle’s lighting system.

Several benefits arise from the effective use of the DRL system. Studies suggest that the use of DRLs can help prevent accidents by reducing the risk of head-on collisions or rear-end crashes. In fact, vehicles equipped with DRLs have reportedly lower rates of daytime crashes than those without them. Thus, the DRL system not only ensures your safety but also contributes significantly to overall road safety.

Moreover, the DRL system promotes fuel efficiency and extends the lifespan of your regular headlights. By reducing the need to use regular headlights during the day, the DRL system helps save fuel and prolongs the service life of your headlights.

Meaning of the CCheck Drl System Honda Civic

The appearance of the Check DRL System message on your dashboard signifies a potential issue within the DRL system. This alert is triggered when the powertrain control module (PCM), the computer controlling and monitoring various functions of your vehicle, detects a fault or malfunction within the DRL system.

This message is generally accompanied by a yellow wrench icon indicating that your vehicle may require service soon.

The Check DRL System message does not necessarily imply that your DRL lights have ceased to work. It may indicate that they are not functioning correctly or as intended. For instance, one or both of your DRL lights could be dimmer, brighter, flickering, or may not be turning on at all.

Although this message does not directly impact the performance or drivability of your vehicle, it does influence its safety. Ignoring this message could compromise your visibility and increase the risk of accidents.

Additionally, driving with a faulty DRL system could potentially violate laws or regulations in certain countries or states that mandate or encourage the use of DRLs.

Causes of the Check DRL System Message

Several factors can cause the Check DRL System message to appear on your dashboard. To aid in understanding these causes, we will delve into each of them in greater detail below.

1. Burnt Out DRL Bulbs

All light bulbs, including DRL bulbs, have a finite lifespan. Their longevity depends on several factors including the type of bulb, its quality, and how often it is used. Over time, due to normal wear and tear or excessive heat generated from the vehicle or the environment, these bulbs eventually burn out.

If one or both of your DRL bulbs burn out, your vehicle’s computer will recognize this fault and trigger the Check DRL System message. Regularly checking the status of your DRL bulbs is an essential step in maintaining your DRL Honda Civic system.

2. Faulty Wiring or Circuitry

The wiring or circuitry connecting your DRL system can also be a source of this problem. These wires and circuits are susceptible to physical damage such as tearing or breakage, especially in the event of a collision.

Environmental factors like moisture and corrosion can also compromise the wiring, leading to incomplete or erratic signals between the DRL system and the vehicle’s computer. If such irregularities are detected, the Check DRL System message is activated on your dashboard.

3. Overheating

Overheating is another common cause of DRL system malfunctions. If the DRL system gets too hot due to prolonged use, environmental factors, or a malfunctioning cooling system, it can damage the DRL bulbs or the wiring connected to the system.

This excessive heat could potentially lead to a burn out of the DRL bulbs or cause the protective covering around the wiring to melt, resulting in short circuits. In any of these scenarios, your vehicle’s computer will prompt the Check DRL System message.

4. Blown Fuse

The DRL system in your Honda Civic, like other electrical systems, is protected by a fuse. This fuse is designed to blow or break if there is a surge in the electrical current flowing to the DRL system, thereby preventing further damage to the system.

If your DRL system’s fuse is blown, the system will fail to receive the required electrical current, rendering it non-functional. This condition will cause your vehicle’s computer to trigger the Check DRL System message.

In such cases, replacing the blown fuse with a new one of the same amperage rating will usually solve the problem. However, if the fuse continues to blow repeatedly, it could indicate a more serious underlying issue that needs to be addressed by a professional.

All these potential causes underline the importance of regularly inspecting and maintaining your DRL Honda Civic system. Ignoring this warning could lead to further damage, potential legal implications, and compromised safety on the road.

Part 2: Fixing the Check DRL System Message

If the Check DRL System message appears on your dashboard, it’s crucial to address the problem promptly to ensure your vehicle’s safety and maintain compliance with road regulations. There are two main ways to address this issue:

Professional Diagnosis and Repair

The first and most advisable method is to take your vehicle to a reputable Honda dealership or an independent mechanic for a professional diagnosis and repair. This is particularly important if the problem lies in the wiring or circuitry, as these issues require professional expertise and equipment to fix.


If the problem is a burnt-out DRL bulb or a blown fuse, you can opt for a DIY fix. Here are the steps:

  1. Turn Off the Engine and Park the Vehicle – Ensure your vehicle is parked on a level surface and that the engine is turned off before proceeding with any repairs.
  2. Locate the Fuse Box – The fuse box in a Honda Civic is generally located under the dashboard on the driver’s side. Consult your owner’s manual to locate it accurately.
  3. Check the DRL System Fuse – Look for the DRL system fuse in the fuse box. It should be labeled clearly. If it looks burnt or blown, you’ll need to replace it.
  4. Replace the Fuse – If necessary, replace the fuse with a new one of the same amperage rating. Be sure to turn off the engine and disconnect the battery before replacing the fuse.
  5. Locate and Replace the DRL Bulbs – The DRL bulbs are typically located in the headlight assembly. Consult your owner’s manual to locate them accurately. Replace the burnt-out bulbs with new ones of the same type.
  6. Test the System – After replacing the fuse or bulbs, test the DRL system by starting your vehicle and checking if the Check DRL System message disappears.

Note: Always consult your vehicle’s owner’s manual or a professional mechanic before carrying out any repairs on your own.


Understanding the importance of the Check DRL System Honda Civic message is crucial for the maintenance of your vehicle and for ensuring safety on the road. This alert, while it may seem minor, can significantly impact the visibility and safety of your vehicle.

Ignoring this message can result in violations of road laws, potential accidents, and the deterioration of your DRL system. Whether you opt to take your vehicle to a professional mechanic or attempt a DIY fix, it’s crucial to address this issue promptly.


  1. What is the difference between DRL and regular headlights?DRL, or Daytime Running Lights, operate at a lower intensity than regular headlights. They do not illuminate the road ahead but rather make your vehicle more visible to other road users during the day. On the other hand, regular headlights are designed to light up the road in front of you during low light or nighttime driving conditions.
  2. Can I ignore the Check DRL System message if my DRL lights are still functioning?No, it’s not recommended to ignore the Check DRL System message even if your DRL lights appear to be functioning. The message may indicate that the lights are not working optimally, which could lead to potential visibility issues. Ignoring the message may also result in further damage to your DRL system.
  3. How often should I check and replace DRL bulbs?The lifespan of DRL bulbs varies based on usage and the specific type of bulb. However, it’s a good practice to inspect your DRL bulbs at least once a year or anytime you notice a decrease in their brightness.
  4. Are there any legal implications of driving with a faulty DRL system?Laws regarding the use of DRLs vary by country and state. In some regions, DRLs are mandatory, and driving without them could result in a fine or other legal implications. It’s advisable to check the local laws in your area.

Remember, a well-maintained vehicle not only ensures your safety but also contributes to the safety of other road users. Regular maintenance and prompt attention to any issues can significantly prolong the lifespan of your vehicle and provide you with a more enjoyable driving experience.

For more information about vehicle maintenance and other related topics, check out these resources:

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