2016 Lexus LX570 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Lexus LX570 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 2016 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 2016 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 2016 Lexus LX570?

To effectively diagnose a cruise control issue in a 2016 Lexus LX570, it's essential to adopt a systematic diagnostic approach that prioritizes simpler checks before delving into more complex assessments. Begin by inspecting the cruise control fuse, as a blown fuse is a straightforward and common cause of malfunction. Next, examine the cruise control buttons on the steering wheel to ensure they are operational, since faulty buttons can disrupt functionality. Utilizing an OBD-II scanner to check for error codes is a crucial step, as these codes can reveal underlying issues within the cruise control system. Following this, verify the speed sensors, which are vital for the cruise control's operation; any faults here can lead to significant problems. Additionally, inspect the wiring connections for damage or corrosion, as poor connections can impede the system's performance. Finally, test the cruise control module itself to confirm it is functioning correctly, as a malfunctioning module can prevent the cruise control from engaging altogether. By following this structured approach, you can efficiently identify and address the root cause of the cruise control issue in your Lexus LX570.

What are the common problems that could cause the cruise control to stop working in a 2016 Lexus LX570?

When dealing with cruise control issues in a 2016 Lexus LX570, it's essential to understand the common problems that may arise. A faulty cruise control switch is often the first suspect, as it can hinder the system's ability to engage or disengage properly. Additionally, a malfunctioning speed sensor can disrupt the system's capacity to maintain a consistent speed, leading to erratic performance. Another critical component is the brake light switch; if this switch fails, it may cause the cruise control to disengage unexpectedly when the brakes are applied, which can be both frustrating and dangerous. Furthermore, problems with the throttle actuator can prevent the cruise control from adjusting the vehicle's speed accurately, while electrical faults, such as blown fuses or wiring issues, can also interfere with the system's operation. By identifying and addressing these potential issues, you can effectively troubleshoot and restore the functionality of your cruise control system.

How urgent is it to address the non-functioning cruise control in a 2016 Lexus LX570?

When it comes to a non-functioning cruise control in a 2016 Lexus LX570, understanding the urgency of the situation is crucial for both safety and vehicle performance. While it may not seem like an immediate emergency, neglecting this issue can lead to more significant problems down the line. A malfunctioning cruise control system can indicate underlying electronic or sensor issues that, if left unaddressed, could compromise the vehicle's overall functionality and safety. Moreover, the convenience of cruise control is particularly valuable during long drives, as it helps maintain a steady speed and reduces driver fatigue. By addressing the problem promptly, you not only enhance your driving experience but also prevent potential inconveniences during trips. Therefore, it is advisable to inspect and repair the cruise control system as soon as possible, ensuring that your Lexus LX570 remains safe and reliable on the road. For those inclined to take a DIY approach, familiarizing yourself with the vehicle's electronic systems and consulting repair manuals can be beneficial in diagnosing and potentially resolving the issue effectively.

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2016 Lexus LX570 Cruise Control Issues & Repairs | RepairPal