2016 Lexus NX200t Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Lexus NX200t and How to Fix Them

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Reviewed by
Bo Fader
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 NX200t 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 NX200t 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 non-functioning cruise control in a 2016 Lexus NX200t?

To effectively diagnose the non-functioning cruise control in your 2016 Lexus NX200t, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by examining the cruise control fuse, as a blown fuse is a common and easily fixable issue that can halt the system's operation. Next, inspect the cruise control buttons on the steering wheel to ensure they are responsive and not stuck, as malfunctioning buttons can disrupt functionality. Following this, verify the speed sensor's performance, since it is essential for the cruise control to engage properly; a faulty sensor can lead to system failure. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues affecting the cruise control system. Additionally, assess the brake and clutch switches, as these components must function correctly for the cruise control to activate. Finally, conduct a thorough inspection of the wiring and connections associated with the cruise control system, looking for any signs of damage or loose connections that could impede operation. By following this structured diagnostic approach, you can efficiently identify and address the root cause of the cruise control malfunction in your Lexus NX200t.

What are the common problems that could cause the cruise control to stop working in a 2016 Lexus NX200t?

When the cruise control in a 2016 Lexus NX200t ceases to function, it can be attributed to several common issues that are relatively straightforward to diagnose. One primary culprit is a faulty speed sensor, which is essential for the cruise control system to accurately gauge the vehicle's speed; if this sensor malfunctions, the system may fail to engage or maintain the desired speed. Another frequent issue involves the brake light switch; if this switch is defective, it can inadvertently signal the cruise control to deactivate whenever the brakes are applied, disrupting its operation. Additionally, a blown fuse within the cruise control circuit can prevent the system from functioning altogether, making fuse replacement a simple yet effective solution. Problems with the throttle actuator, which regulates the engine's throttle opening, can also hinder the cruise control's ability to maintain speed, while malfunctions in the Electronic Control Module (ECM) can lead to erratic behavior or complete failure of the cruise control system. By understanding these common problems, DIYers can better diagnose the issue and take appropriate steps to restore functionality to their vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2016 Lexus NX200t?

When it comes to a non-functioning cruise control in a 2016 Lexus NX200t, the urgency of addressing the issue cannot be overstated. While it may not seem like an immediate emergency, neglecting this problem can lead to significant safety risks and potential damage to your vehicle. Cruise control is designed to enhance your driving experience by maintaining a steady speed, which not only reduces driver fatigue during long trips but also contributes to better fuel efficiency. However, if the system is malfunctioning, it could signal deeper issues within the vehicle's electronic or mechanical systems. This could compromise overall performance and safety, making it crucial to investigate the root cause of the malfunction. Ignoring the symptoms may lead to more severe problems down the line, including costly repairs or even hazardous driving conditions. Therefore, it is advisable for DIY enthusiasts to prioritize diagnosing and addressing cruise control issues promptly, ensuring both the safety of the vehicle and the comfort of the driver.

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Troubleshooting Cruise Control Issues in 2016 Lexus NX200t