2019 Toyota Yaris Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2019 Toyota Yaris 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 2019 Toyota Yaris 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 2019 Toyota Yaris 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.

What steps should I take to diagnose the non-functioning cruise control in my 2019 Toyota Yaris?

When diagnosing the non-functioning cruise control in your 2019 Toyota Yaris, it's crucial to follow a methodical diagnostic approach that prioritizes simpler checks before moving on to more complex issues. Begin by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and straightforward problem to fix. Next, examine the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can hinder the system from engaging properly. After that, verify the functionality of the speed sensor, which is essential for maintaining a consistent speed; a malfunction here can significantly affect cruise control performance. Additionally, check the brake pedal switch, which is designed to disengage the cruise control when the brakes are applied; if this switch is malfunctioning, it could be the source of the issue. It's also important to inspect the throttle cable for any signs of wear or damage, as this can impact the system's operation. If these initial checks do not resolve the problem, using an OBD-II scanner to look for error codes can help identify any underlying issues. If you're still unable to pinpoint the cause, seeking assistance from a professional mechanic or an authorized Toyota service center is recommended for a comprehensive diagnosis and repair. By following this structured approach, you can effectively troubleshoot and potentially resolve the cruise control issue in your Yaris.

What are the common problems that could cause the cruise control to stop working in a 2019 Toyota Yaris?

When the cruise control in your 2019 Toyota Yaris ceases to function, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the primary culprits is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied. If this switch malfunctions, it may prevent the system from engaging at all. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain a steady speed, leading to its failure. Another potential issue is a blown fuse, which can completely disable the cruise control system. Furthermore, a malfunctioning throttle actuator, responsible for regulating engine speed, can also contribute to cruise control problems. Lastly, any electrical issues, such as damaged wiring or a faulty control module, can interfere with the system's operation. By identifying these common issues, you can take the first steps toward diagnosing and repairing your cruise control system, ensuring a smoother driving experience.

How urgent is it to address the malfunctioning cruise control in my 2019 Toyota Yaris?

Addressing the malfunctioning cruise control in your 2019 Toyota Yaris is of utmost importance due to the potential safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, creating hazardous driving conditions that could endanger you and others on the road. Additionally, cruise control enhances the driving experience by maintaining a consistent speed, particularly during long highway trips; its failure can lead to discomfort and increased fatigue. Ignoring this issue may also result in higher fuel consumption, as inconsistent speed control can cause your vehicle to work harder than necessary. Furthermore, early intervention can prevent further damage to your vehicle's systems, ultimately saving you from costly repairs down the line. Therefore, it is crucial to address any cruise control malfunctions promptly to ensure your safety, enhance your driving comfort, and protect your vehicle's integrity.

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