2006 Toyota Solara Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2006 Toyota Solara and How to Fix Them

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Reviewed by
Devin Cabugcal
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 Solara 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 Solara 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 Solara?

When diagnosing a cruise control issue in a 2006 Toyota Solara, it's essential to adopt a systematic approach that begins with the simplest potential problems before moving on to more complex diagnostics. Start by checking the fuse associated with the cruise control system, as a blown fuse can easily disrupt functionality. Next, inspect the cruise control switch to ensure it is operating correctly; a faulty switch can prevent the system from engaging. Following this, examine the brake pedal switch, which is crucial for disengaging the cruise control when brakes are applied; if this switch is malfunctioning, it can lead to persistent issues. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying problems affecting the cruise control system. Additionally, inspect the speed sensor to confirm it is accurately relaying information to the cruise control module, as inaccuracies can hinder speed maintenance. Lastly, if your Solara employs a vacuum-operated cruise control system, check the vacuum lines for leaks or damage, as these can significantly impact performance. By methodically addressing these areas, you can effectively diagnose and resolve cruise control issues in your vehicle.

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

When troubleshooting the cruise control system in a 2006 Toyota Solara, it's essential to understand the common problems that may lead to its failure. One of the primary issues could be a faulty brake pedal switch, which is designed to disengage the cruise control when the brake is applied. If this switch malfunctions, it can prevent the system from engaging properly. Another potential culprit is a defective speed sensor; if this component fails, the cruise control may struggle to maintain a constant speed, rendering it ineffective. Additionally, a blown fuse in the cruise control circuit can disrupt functionality, so checking the fuse box for any blown fuses is a crucial step in the diagnostic process. Vacuum leaks in the engine can also impact the performance of the cruise control system, as these leaks can affect the vacuum-operated components essential for its operation. Furthermore, a faulty cruise control module may prevent the system from engaging or maintaining speed, while electrical issues such as loose connections or damaged wiring can lead to system failure. By systematically addressing these common problems, you can effectively diagnose and potentially resolve issues with the cruise control in your Toyota Solara.

How urgent is it to address the malfunctioning cruise control in a 2006 Toyota Solara?

Addressing a malfunctioning cruise control in a 2006 Toyota Solara is of utmost importance due to the safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, creating hazardous driving conditions that could result in accidents. Moreover, maintaining all vehicle systems, including cruise control, is essential for ensuring overall vehicle stability and control. Ignoring these issues not only compromises your driving comfort but can also lead to more significant problems down the line, potentially increasing repair costs. By promptly diagnosing and fixing the cruise control malfunction, you not only enhance your safety on the road but also protect your vehicle from further damage, making it a critical DIY task that should not be delayed.

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