2013 Lexus ES300h Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2013 Lexus ES300h 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 2013 Lexus ES300h 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 ES300h 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 ES300h?

When diagnosing a cruise control issue in a 2013 Lexus ES300h, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the cruise control fuse, as a blown or damaged fuse can easily disrupt the system's functionality. Next, inspect the cruise control buttons on the steering wheel to ensure they are not stuck or damaged, as this can prevent proper engagement. Utilizing an OBD-II scanner to scan for error codes can provide valuable insights into any underlying issues affecting the cruise control system. Additionally, checking the speed sensors is crucial, as faulty sensors can lead to malfunctioning cruise control. The brake pedal switch should also be tested, since the system is designed to disengage when the brake is applied. Finally, inspect the wiring and connections for any signs of damage or corrosion that could impede the system's operation. If these steps do not resolve the issue, consulting a professional mechanic with experience in Lexus vehicles may be necessary for a thorough diagnosis and repair. By following this structured diagnostic approach, you can effectively identify and address cruise control problems in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2013 Lexus ES300h?

When troubleshooting cruise control issues in a 2013 Lexus ES300h, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake light switch, which can prevent the cruise control from engaging since it is designed to deactivate when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a constant speed, leading to functionality problems. A blown fuse related to the cruise control system can also be a straightforward fix, as it may cause the system to stop working entirely. Furthermore, if the throttle actuator is malfunctioning, it can hinder the cruise control's performance in maintaining speed. Lastly, problems with the Electronic Control Module (ECM) can affect various vehicle functions, including cruise control, resulting in failure. By systematically checking these components, DIY enthusiasts can effectively diagnose and resolve cruise control issues in their Lexus ES300h.

How urgent is it to address the non-functioning cruise control in a 2013 Lexus ES300h?

Addressing the non-functioning cruise control in a 2013 Lexus ES300h is crucial for maintaining both safety and vehicle performance. When this feature fails, it may not only lead to driver fatigue during long trips but could also signal deeper issues within the vehicle's electronic systems or sensors. Ignoring this problem can escalate into more significant safety hazards, particularly on highways where consistent speed is essential. Moreover, a malfunctioning cruise control can affect fuel efficiency, leading to increased costs over time. Therefore, it is imperative to diagnose and repair the issue promptly, ideally with the assistance of a qualified mechanic or authorized service center, to ensure that your vehicle remains safe and reliable on the road.

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