Lexus UX200 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Lexus UX200 and How to Fix Them

Find Repair Location
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
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 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 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.

Troubleshooting Cruise Control Issues in a Lexus UX200

When troubleshooting cruise control issues in your Lexus UX200, it's essential to adopt a methodical diagnostic approach. Begin by checking the fuses associated with the cruise control system, as a blown fuse is a common and easily fixable problem. Next, inspect the brake pedal and throttle body for any signs of wear or malfunction, as these components directly influence cruise control functionality. If these initial checks do not resolve the issue, utilize an OBD-II scanner to detect any error codes that may indicate underlying problems, particularly with the speed sensor. Be mindful that a malfunctioning brake light or brake switch can also disrupt cruise control operation, so ensure these components are functioning correctly. Lastly, if the check engine light is illuminated, it may signal engine-related issues that could affect the cruise control system. By following this structured approach, you can effectively identify and address the root cause of the cruise control malfunction in your Lexus UX200.

What Could Cause the Cruise Control to Malfunction in a Lexus UX200?

When dealing with cruise control malfunctions in a Lexus UX200, it's crucial to understand the common problems that may be at play. A blown fuse is often the first suspect, as it can interrupt the power supply to the cruise control system. Additionally, a defective brake pedal switch can prevent the system from engaging, as it relies on accurate signals from the brake system. Issues with the throttle control system can also hinder functionality, as the cruise control needs to communicate effectively with the engine's throttle. Furthermore, malfunctions in the Anti-lock Braking System (ABS) can impact cruise control performance, as these systems are interconnected. Engine-related problems, such as a check engine light, can also disable cruise control, indicating that the vehicle's computer has detected an issue that needs attention. Other potential culprits include a malfunctioning engine control unit (ECU), brake pedal position sensor issues, throttle body malfunctions, and problems with the PRNDL or shifter position switch. By systematically diagnosing these components, DIYers can effectively identify and resolve the underlying issues affecting the cruise control system in their Lexus UX200.

Why is the Cruise Control Not Working in a Lexus UX200?

When the cruise control in your Lexus UX200 fails to operate, it is crucial to address the issue without delay. Ignoring symptoms such as unresponsive controls or warning lights can lead to more significant problems, including potential safety hazards while driving. For instance, if the cruise control system is malfunctioning due to a faulty brake pedal switch or a blown fuse, it may inadvertently disengage while you are on the road, increasing the risk of accidents. Additionally, mechanical issues like a damaged cable or vacuum actuator can escalate, leading to costly repairs if not resolved early. The engine control unit (ECU) or module malfunctions can also affect other vehicle systems, compounding the problem. Therefore, it is essential to diagnose and fix cruise control issues promptly, ensuring not only your safety but also the longevity of your vehicle. If you are unsure about the cause, consulting a qualified mechanic or your local Lexus dealership can provide the necessary expertise to get your cruise control back in working order.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.