2020 Toyota C-HR Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2020 Toyota C-HR and How to Fix Them

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Reviewed by
Devin Cabugcal
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 2020 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 2020 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 diagnostic steps to take when the cruise control isn't working on a 2020 Toyota C-HR?

When faced with a non-functioning cruise control system in your 2020 Toyota C-HR, it's crucial to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse, as a blown fuse can easily disrupt the system's operation. Next, inspect the cruise control buttons on the steering wheel; if they are unresponsive, this could indicate a malfunction that needs addressing. Following this, verify the speed sensor's functionality, since a faulty sensor can prevent the cruise control from engaging properly. Additionally, ensure that your brake lights are operational, as many vehicles disable cruise control if there is a brake light issue. Finally, consider using a diagnostic scanner to check for any error codes that may provide insight into the underlying problem. By methodically working through these steps, you can effectively diagnose and potentially resolve the cruise control issue on your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2020 Toyota C-HR?

When troubleshooting cruise control issues in a 2020 Toyota C-HR, it's essential to understand the common problems that may lead to its malfunction. One frequent culprit is a faulty brake pedal switch, which can prevent the system from engaging if it fails to detect when the brake is pressed. Additionally, speed sensor issues can disrupt the cruise control's ability to maintain a constant speed, as this sensor is crucial for its operation. Another potential problem is a blown fuse; checking the fuses related to the cruise control system can often reveal simple fixes. Furthermore, a malfunctioning throttle actuator may hinder the system's performance, as it regulates engine speed based on cruise control inputs. Lastly, problems with the Electronic Control Module (ECM) can also cause cruise control failures, as this component manages the entire system. By identifying and addressing these common issues, drivers can effectively troubleshoot and restore their cruise control functionality.

How urgent is it to address the malfunctioning cruise control in a 2020 Toyota C-HR?

When it comes to a malfunctioning cruise control system in your 2020 Toyota C-HR, the urgency of addressing the issue cannot be overstated. A faulty cruise control can lead to erratic vehicle behavior, such as unexpected acceleration or deceleration, which significantly increases the risk of accidents on the road. Ignoring these symptoms not only jeopardizes your safety but also that of other drivers and pedestrians. Moreover, delaying repairs can exacerbate the problem, potentially leading to more extensive and costly damage to your vehicle's components. To ensure your safety and maintain the integrity of your vehicle, it is crucial to consult a certified mechanic or reach out to your nearest Toyota service center as soon as you notice any issues with the cruise control system. Taking immediate action will help you avoid serious consequences and ensure that your vehicle operates smoothly and safely.

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