2018 Honda Civic Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2018 Honda Civic and How to Fix Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2018 Honda Civic cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2018 Honda Civic cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What steps should I take to diagnose the cruise control issue in my 2018 Honda Civic?

When diagnosing a cruise control issue in your 2018 Honda Civic, it's crucial to follow a methodical approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, assess the cruise control buttons on the steering wheel to ensure they are working properly, since malfunctioning buttons can lead to operational issues. After that, verify the performance of the speed sensor, which is essential for the cruise control system to function correctly. It's also important to check the brake lights; if they are not functioning as intended, they may interfere with the cruise control operation. Utilizing an OBD-II scanner to look for error codes can provide valuable information about any underlying problems. If your Civic features a vacuum-operated cruise control system, inspect the vacuum lines for any leaks or damage that could hinder performance. Should these initial steps fail to resolve the issue, seeking assistance from a mechanic experienced with Honda vehicles is recommended for a thorough diagnosis and repair. By adhering to this structured diagnostic strategy, you can effectively pinpoint and address the cruise control problem in your Civic.

What are the common problems that could cause the cruise control to stop working in a 2018 Honda Civic?

When the cruise control in your 2018 Honda Civic ceases to function, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the first things to check is the fuse; a blown fuse can easily disrupt the cruise control system, rendering it inoperable. If the fuse is intact, the next step is to inspect the brake pedal switch, as a faulty switch can prevent the cruise control from engaging. Additionally, issues with the speed sensor can lead to incorrect speed readings, which directly affect the cruise control's ability to maintain your desired speed. It's also important to consider the throttle control system; any malfunctions here can interfere with the cruise control's performance. Lastly, keep an eye out for any electrical problems, such as wiring issues or a malfunctioning control module, as these can significantly impact the cruise control's operation. By systematically checking these components, you can identify the root cause of the issue and take the necessary steps to restore functionality to your cruise control system.

How urgent is it to address the malfunctioning cruise control in my 2018 Honda Civic?

When it comes to addressing a malfunctioning cruise control in your 2018 Honda Civic, the urgency cannot be overstated. Ignoring this issue can lead to serious safety risks, as a faulty system may cause unexpected changes in speed, increasing the likelihood of accidents. Additionally, a malfunctioning cruise control can negatively affect your vehicle's overall performance, leading to decreased fuel efficiency and potential strain on the engine. From a legal standpoint, driving with known mechanical issues may result in fines or penalties, depending on local regulations. Furthermore, timely repairs are crucial for maintaining your car's resale value; neglecting such maintenance can lead to further complications and depreciation. Therefore, it is essential to prioritize the repair of your cruise control system to ensure your safety, uphold vehicle performance, comply with legal standards, and protect your investment.

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2018 Honda Civic Cruise Control Not Working | RepairPal