2006 Toyota Avalon Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2006 Toyota Avalon 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 2006 Toyota Avalon 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 2006 Toyota Avalon 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 2006 Toyota Avalon?

To effectively diagnose a cruise control issue in a 2006 Toyota Avalon, it's essential to adopt a systematic diagnostic approach that begins with the simplest solutions before progressing to more complex assessments. Start by checking the cruise control fuse, as a blown 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 operation. Following this, examine the speed sensors, which play a crucial role in the cruise control system; any malfunction here can lead to issues. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying problems. If no issues are found, test the cruise control module to confirm it is functioning correctly, as a faulty module can lead to significant problems. Finally, inspect the wiring and connections for any signs of damage or corrosion, as these can also impede the system's performance. By following this structured approach, you can effectively identify and address the root cause of the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2006 Toyota Avalon?

When dealing with a malfunctioning cruise control system in a 2006 Toyota Avalon, it's essential to understand the common issues that may be at play. One of the primary culprits is a faulty brake light switch, which can prevent the cruise control from engaging since the system is designed to disengage when the brake pedal is pressed. Additionally, a blown fuse in the vehicle's fuse box can disrupt the electrical flow necessary for the cruise control to function properly. Another potential issue is a defective speed sensor, which is crucial for maintaining a constant speed; if it fails, the cruise control may not operate as intended. Furthermore, vacuum leaks in the engine can interfere with the cruise control system, leading to unexpected disengagements. Lastly, a malfunctioning cruise control module itself can be a significant factor in the system's failure to engage or maintain speed. By systematically checking these components, DIYers can effectively troubleshoot and potentially resolve the cruise control issues in their Avalon.

How urgent is it to address the non-functioning cruise control in a 2006 Toyota Avalon?

When it comes to the non-functioning cruise control in a 2006 Toyota Avalon, understanding the urgency of the situation is crucial for any DIY enthusiast. While a malfunctioning cruise control system may not pose an immediate threat to the vehicle's drivability or safety, it can lead to inconveniences that affect your overall driving experience, particularly during long trips or highway driving. Ignoring this issue could also mask underlying problems that might escalate into more significant mechanical failures, resulting in costly repairs down the line. Therefore, while it may not be as critical as addressing issues with brakes or steering, it is advisable to prioritize fixing the cruise control system. This proactive approach not only enhances your comfort and fuel efficiency but also ensures that you maintain a reliable and enjoyable driving experience in your Avalon.

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