2013 Lexus LX570 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2013 Lexus LX570

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Reviewed by
Aisha
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 2013 Lexus LX570 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 2013 Lexus LX570 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 are the steps to diagnose the cruise control issue in a 2013 Lexus LX570?

When diagnosing a cruise control issue in a 2013 Lexus LX570, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable problem that can disrupt the system's functionality. Next, examine the cruise control buttons on the steering wheel to ensure they are operational; faulty buttons can prevent the system from engaging. Following this, assess the speed sensors, as they play a crucial role in the cruise control's performance; any malfunction here can lead to significant issues. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into specific problems affecting the cruise control system. If these preliminary checks do not reveal the issue, proceed to test the cruise control module to confirm it is sending the correct signals. Lastly, inspect the wiring and connections associated with the cruise control system for any signs of damage or loose connections, as these can disrupt signal flow and lead to malfunctions. By following this structured diagnostic approach, you can effectively identify and address the underlying issues with the cruise control system in your Lexus LX570.

What are the common problems that could cause the cruise control to stop working in a 2013 Lexus LX570?

When the cruise control in a 2013 Lexus LX570 ceases to function, it can be frustrating, but understanding the common problems can help you troubleshoot the issue. 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. Another potential issue is related to the speed sensor; if this component fails, the cruise control may struggle to maintain a consistent speed, leading to erratic performance or complete failure. Additionally, a blown fuse can disrupt the electrical flow to the cruise control system, making it essential to check and replace any damaged fuses. The throttle actuator is another critical component; if it malfunctions, it can hinder the cruise control's ability to adjust engine speed as needed. Lastly, problems with the Electronic Control Module (ECM) can also be a significant factor, as this computer oversees various vehicle functions, including cruise control. By systematically checking these components, you can identify and resolve the issues affecting your cruise control system, restoring its functionality and enhancing your driving experience.

How urgent is it to address the malfunctioning cruise control in my 2013 Lexus LX570?

When it comes to the malfunctioning cruise control in your 2013 Lexus LX570, addressing the issue without delay is crucial for several reasons. First and foremost, a malfunctioning cruise control system can lead to unexpected acceleration or deceleration, posing significant safety risks while driving. This unpredictability can make it difficult to maintain control of your vehicle, especially in high-traffic situations or on highways. Additionally, the convenience of cruise control is often taken for granted during long trips; its failure can detract from the overall driving experience, making journeys less enjoyable and more tiring. Furthermore, neglecting cruise control issues can lead to increased fuel consumption, as inconsistent speed control can cause your engine to work harder than necessary. Lastly, timely intervention can prevent further damage to your vehicle's systems, potentially saving you from costly repairs down the line. Therefore, it is essential to prioritize the repair of your cruise control system to ensure your safety, enhance driving comfort, maintain fuel efficiency, and protect your investment in your Lexus LX570.

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2013 Lexus LX570 Cruise Control Issues & Solutions