2021 Toyota C-HR Cruise Control Isn't Working

Troubleshooting Common Issues with Cruise Control in Your 2021 Toyota C-HR 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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2021 Toyota C-HR 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 Toyota C-HR 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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 are the initial steps to diagnose the non-functioning cruise control in a 2021 Toyota C-HR?

When diagnosing the non-functioning cruise control in your 2021 Toyota C-HR, it's essential to adopt a methodical approach that starts with the most straightforward solutions. Begin by checking the cruise control fuse located in the fuse box, as a blown fuse is a common culprit for cruise control issues. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, as malfunctioning buttons can prevent the system from engaging. Following this, verify the speed sensor's functionality, since a faulty sensor can disrupt the cruise control's performance. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues affecting the cruise control system. Lastly, don't forget to check the brake lights, as they are integral to the cruise control operation; if they are not functioning correctly, it could hinder the system's ability to engage. By systematically addressing these areas, you can effectively diagnose and potentially resolve the cruise control problem in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2021 Toyota C-HR?

When troubleshooting the cruise control system in a 2021 Toyota C-HR, it's essential to understand the common problems that may lead to its failure. One of the primary culprits is a faulty brake pedal switch, which is designed to disengage the cruise control when the brake is applied; if this switch malfunctions, it can prevent the system from engaging. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain a consistent speed, as the system relies on accurate speed readings to function correctly. Another potential issue is a blown fuse within the cruise control circuit, which can easily be checked and replaced if necessary. Furthermore, a malfunction in the throttle control system can hinder the cruise control's performance, as it needs to adjust the throttle to maintain speed. Problems with the Electronic Control Module (ECM) can also affect the cruise control, as this component manages various vehicle functions, including cruise control operations. Lastly, wiring issues, such as damaged or loose connections, can disrupt communication between the cruise control components, leading to malfunctions. By systematically addressing these common issues, you can effectively diagnose and potentially resolve the cruise control problems in your Toyota C-HR.

How urgent is it to address the malfunctioning cruise control in my 2021 Toyota C-HR?

When it comes to the malfunctioning cruise control in your 2021 Toyota C-HR, the urgency of addressing the issue cannot be overstated. Cruise control is not just a convenience; it plays a crucial role in maintaining a steady speed, especially during long drives. A malfunction can lead to erratic acceleration or deceleration, which poses significant safety risks not only to you but also to other road users. Ignoring these symptoms can result in dangerous driving conditions and may lead to accidents. Furthermore, delaying repairs can exacerbate the problem, potentially leading to more extensive and costly damage to your vehicle. Therefore, it is essential to prioritize the diagnosis and repair of your cruise control system to ensure safe driving and to avoid future complications.

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