2010 Lexus LS460 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2010 Lexus LS460 and How to Fix Them

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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 2010 Lexus LS460 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 2010 Lexus LS460 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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 2010 Lexus LS460?

To effectively diagnose a cruise control issue in your 2010 Lexus LS460, begin with the simplest potential problems. Start by checking the cruise control fuse; a blown fuse is a common culprit that can easily be overlooked. Next, inspect the cruise control switch located on the steering wheel, as a malfunctioning switch can disrupt the system's operation. If these initial checks do not reveal the issue, utilize an OBD-II scanner to identify any error codes that may indicate specific problems within the cruise control system. Following this, examine the vehicle's speed sensors, as they are essential for the cruise control to function correctly; faulty sensors can lead to system failure. Additionally, inspect the wiring and connections associated with the cruise control system for any signs of damage or corrosion, as poor connections can hinder performance. Finally, if all else fails, test the cruise control module itself to ensure it is functioning properly. By following this structured diagnostic approach, you can systematically identify and address the root cause of the cruise control issue in your Lexus LS460.

What are the common problems that could cause the cruise control to stop working in a 2010 Lexus LS460?

When troubleshooting the cruise control system in a 2010 Lexus LS460, it's essential to consider several common problems that could be at play. 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 can prevent the system from engaging. 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 within the cruise control circuit, which can completely disable the system. Furthermore, a malfunctioning throttle actuator may hinder the engine's speed control, directly impacting cruise control functionality. Lastly, problems with the Electronic Control Module (ECM), which oversees various vehicle functions including cruise control, can also result in operational failures. By understanding these common issues, DIYers can better diagnose and address the problems affecting their vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2010 Lexus LS460?

Addressing a non-functioning cruise control in a 2010 Lexus LS460 should be considered a priority, even if it may not seem like an immediate safety concern. While the absence of cruise control does not directly endanger the driver or passengers, it can significantly detract from the overall driving experience, especially during long trips where maintaining a consistent speed is crucial for comfort and fatigue reduction. Ignoring this issue could lead to increased driver frustration, particularly for those who frequently rely on this feature. Moreover, a malfunctioning cruise control system may indicate underlying problems that could escalate if left unaddressed, potentially leading to more significant repairs down the line. Therefore, it is advisable for DIY enthusiasts to diagnose and repair the cruise control system promptly, ensuring a smoother and more enjoyable driving experience while also preventing further complications.

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2010 Lexus LS460 Cruise Control Issues: Causes & Repairs