2021 Honda Accord Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2021 Honda Accord and How to Fix Them

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Reviewed by
Andrew Hajjar
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 Accord 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 Accord 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 Accord?

When diagnosing a cruise control issue in your 2021 Honda Accord, it's essential to adopt a systematic approach that begins with the simplest checks before progressing to more complex diagnostics. Start by examining the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, since faulty buttons can lead to malfunctions. Following this, verify the speed sensor's performance, as it is integral to the cruise control system's operation. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, inspect the vacuum lines for leaks or damage, as these can significantly impact performance. Finally, test the cruise control module to confirm it is sending the correct signals to the engine and transmission. If these steps do not resolve the issue, consulting a professional mechanic or an authorized Honda service center is advisable for further assistance. By following this structured diagnostic approach, you can effectively identify and address the cruise control problem in your vehicle.

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

When dealing with cruise control issues in a 2021 Honda Accord, it's important to understand the common problems that may be at play. One frequent culprit is a blown fuse, which can easily disrupt the cruise control system's functionality. Additionally, a faulty brake pedal switch can prevent the system from engaging, as it may incorrectly signal that the brakes are applied. Another potential issue is a malfunctioning speed sensor, which is crucial for maintaining the desired speed; if it fails, the cruise control may not operate as intended. Problems within the throttle control system can also interfere with cruise control, as this system is responsible for regulating the vehicle's speed. Lastly, any electrical issues, whether in the cruise control system itself or in related components, can lead to failure. By identifying and addressing these common problems, DIYers can effectively troubleshoot and restore the cruise control functionality in their Honda Accord.

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

When it comes to the urgency of repairing the non-functioning cruise control in a 2021 Honda Accord, it is crucial to recognize the potential safety risks and inconveniences that can arise from neglecting this issue. A malfunctioning cruise control system can lead to erratic speed changes, which not only increases the risk of accidents but also contributes to driver fatigue during long journeys. Moreover, in some areas, operating a vehicle with faulty equipment may violate local road safety laws, potentially resulting in fines or legal repercussions. Beyond safety concerns, the absence of functional cruise control can diminish the overall driving experience, making long trips more taxing as drivers must constantly adjust their speed manually. Therefore, addressing the cruise control issue promptly is not just a matter of convenience; it is essential for ensuring a safe and comfortable driving experience.

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