2021 Honda Clarity Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2021 Honda Clarity 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 2021 Honda Clarity 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 2021 Honda Clarity 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 2021 Honda Clarity?

To effectively diagnose the cruise control issue in your 2021 Honda Clarity, start with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Begin by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common culprit for malfunctioning systems. Next, examine the cruise control buttons on your steering wheel to ensure they are operational, as faulty buttons can disrupt functionality. Following this, verify the speed sensor, which is essential for maintaining a consistent speed; if it’s not working correctly, it can hinder cruise control performance. Additionally, check the brake pedal switch, which is designed to disengage cruise control when the brakes are applied; a malfunction here can prevent the system from engaging. If these initial checks do not reveal the issue, utilize an OBD-II scanner to identify any error codes that may provide further insights into the problem. Should these steps fail to resolve the issue, it may be necessary to consult a professional mechanic or an authorized Honda service center for a thorough diagnosis and repair. By following this structured diagnostic approach, you can efficiently identify and address the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2021 Honda Clarity?

When your cruise control stops working in a 2021 Honda Clarity, there are several common issues you can check before heading to a mechanic. Start by inspecting the cruise control switch, as a faulty switch can prevent the system from engaging or disengaging properly. Next, check the fuses related to the cruise control system; a blown fuse can disrupt its functionality. Additionally, consider the speed sensor, as any issues here can hinder the cruise control's ability to maintain a set speed. It's also important to examine the brake light switch, since a malfunction can cause the cruise control to disengage unexpectedly when you apply the brakes. Lastly, look into the throttle actuator, as problems with this component can affect the system's ability to adjust your vehicle's speed accurately. By addressing these common problems, you may be able to restore your cruise control functionality without the need for professional assistance.

How urgent is it to repair the non-functioning cruise control on a 2021 Honda Clarity?

When it comes to the non-functioning cruise control on a 2021 Honda Clarity, understanding the urgency of repair is crucial for any DIY enthusiast. While this issue may not present an immediate safety hazard, it can significantly affect your driving experience, especially during long trips where maintaining a consistent speed is essential for comfort and fuel efficiency. Ignoring this problem could lead to increased fuel consumption, as you may find yourself frequently adjusting your speed manually. Moreover, if the cruise control malfunction is a symptom of a more extensive electronic issue within the vehicle, delaying repairs could exacerbate the problem, potentially leading to more costly repairs down the line. Therefore, while it may not be an emergency, addressing the cruise control issue promptly can enhance your driving comfort and prevent further complications, making it a worthwhile DIY project to tackle sooner rather than later.

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