2008 Toyota Land Cruiser Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2008 Toyota Land Cruiser 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 2008 Toyota Land Cruiser 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 2008 Toyota Land Cruiser 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 initial diagnostic steps to troubleshoot the non-functional cruise control in a 2008 Toyota Land Cruiser?

When troubleshooting the non-functional cruise control in a 2008 Toyota Land Cruiser, it's essential to adopt a systematic diagnostic approach that begins with the simplest solutions before progressing to more complex issues. Start by checking the cruise control fuse, as a blown fuse is a common and easily fixable problem that can halt the system's operation. Next, verify the functionality of the cruise control switch; a malfunctioning switch can prevent the system from engaging. It's also crucial to inspect the brake pedal switch, which is designed to disengage the cruise control when the brakes are applied; if this switch is faulty, it can lead to operational issues. Additionally, examine the vehicle speed sensor, as it provides vital data for the cruise control system; a defective sensor may cause the system to malfunction. Utilizing a diagnostic scanner to check for error codes can further assist in identifying underlying problems. Lastly, if your Land Cruiser relies on vacuum lines for the cruise control system, inspect these for any leaks or damage that could disrupt functionality. By following this structured approach, you can effectively diagnose and address the common issues affecting your vehicle's cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2008 Toyota Land Cruiser?

When the cruise control in a 2008 Toyota Land Cruiser ceases to function, several common problems may be at play. One of the primary culprits is 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. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain a constant speed, leading to erratic behavior. Vacuum leaks within the cruise control system can also hinder its operation, as they affect the pressure needed for proper functionality. Another potential issue is a defective cruise control module, which can fail to communicate effectively with other components. Electrical problems, such as blown fuses or damaged wiring, can further complicate matters, impacting the system's overall performance. Lastly, a malfunctioning throttle cable may prevent the cruise control from adjusting the throttle position correctly, resulting in an inability to maintain speed. By understanding these common issues, DIYers can effectively troubleshoot and resolve cruise control problems in their Land Cruiser.

How urgent is it to address the non-functioning cruise control in a 2008 Toyota Land Cruiser?

Addressing a non-functioning cruise control in a 2008 Toyota Land Cruiser is important, even if it may not seem like an immediate emergency. While the absence of this feature may not pose a direct safety risk, it can significantly affect your driving experience, especially during long trips where maintaining a constant speed is beneficial for reducing fatigue and improving fuel efficiency. Moreover, a malfunctioning cruise control system could be a symptom of underlying electrical issues that, if left unchecked, might escalate into more serious problems, potentially leading to costly repairs. Therefore, it is advisable to inspect the cruise control system promptly. For DIY enthusiasts, this could involve checking the fuses, inspecting the brake pedal switch, or examining the wiring for any visible damage. By taking these steps, you can ensure your vehicle remains in optimal condition, enhancing both safety and comfort on the road.

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