2021 Lexus UX200 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2021 Lexus UX200 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 Lexus UX200 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 Lexus UX200 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 non-functioning cruise control in my 2021 Lexus UX200?

To effectively diagnose the non-functioning cruise control in your 2021 Lexus UX200, begin with the simplest checks to avoid unnecessary complications. Start by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common culprit that can easily be replaced. Next, examine the cruise control buttons on your steering wheel for any signs of damage or sticking, as these can prevent the system from engaging properly. If these initial checks do not resolve the issue, proceed to verify the speed sensor's functionality, since it is essential for the cruise control to operate correctly. Additionally, ensure that the brake pedal switch is functioning, as a malfunctioning switch can inadvertently disengage the cruise control when it should remain active. If the problem persists, using an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues affecting the system. Should these steps fail to identify the problem, it may be time to consult a professional mechanic or an authorized Lexus service center for a comprehensive diagnosis and repair. By following this structured approach, you can systematically troubleshoot the cruise control issue and potentially restore its functionality without professional assistance.

What are the common problems that could cause the cruise control to stop working in a 2021 Lexus UX200?

When the cruise control in your 2021 Lexus UX200 ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue. One frequent culprit is a faulty speed sensor, which is essential for the cruise control system to maintain the desired speed; if it malfunctions, the system may not operate correctly. Another potential issue is a defective brake light switch, as this component is designed to disengage cruise control when the brakes are applied. Additionally, a blown fuse can completely disable the cruise control system, so checking the fuses is a good first step. Throttle-related problems, such as a stuck throttle or issues with the throttle position sensor, can also interfere with cruise control functionality. Lastly, electrical problems, including faulty wiring or connections, can disrupt the system's operation. If you encounter cruise control issues, these common problems are worth investigating before seeking professional help.

How urgent is it to address the malfunctioning cruise control in my 2021 Lexus UX200?

When it comes to the malfunctioning cruise control in your 2021 Lexus UX200, the urgency of addressing the issue cannot be overstated. A malfunctioning system can lead to unexpected acceleration or deceleration, creating a significant safety hazard on the road. This unpredictability not only increases the risk of accidents but also contributes to driver distraction and fatigue, as you may find yourself constantly adjusting your speed manually. Furthermore, neglecting this issue can result in higher fuel consumption due to inconsistent speed control, which can add unnecessary costs to your driving experience. Additionally, delaying repairs may lead to more extensive damage to your vehicle's systems, ultimately resulting in higher repair bills. Therefore, it is crucial to prioritize the repair of your cruise control system to ensure your safety, the safety of others, and to avoid further complications down the line.

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2021 Lexus UX200 Cruise Control Issues & Repair Costs