2011 Scion TC Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2011 Scion tC

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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 2011 Scion tC 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 2011 Scion tC 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 steps should I take to diagnose the non-functioning cruise control in my 2011 Scion tC?

To effectively diagnose the non-functioning cruise control in your 2011 Scion tC, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse in the fuse box, as a blown fuse is a common and easily fixable issue that can disrupt the system. Next, examine the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can prevent the system from engaging. Following this, verify the functionality of the speed sensor, which is essential for maintaining a constant speed; a malfunctioning sensor can lead to cruise control failure. Additionally, check the brake pedal switch, which should disengage the cruise control when the brakes are applied; if this switch is faulty, it may cause the system to remain inactive. Inspect the throttle cable for wear or damage, as any issues here can also impact cruise control performance. If these initial checks do not reveal the problem, consider using a diagnostic scanner to identify any error codes related to the cruise control system, which can provide valuable insights into underlying issues. If you still cannot determine the cause, consulting a mechanic with experience in Scion vehicles may be necessary to ensure a thorough diagnosis and repair. By following this structured approach, you can efficiently troubleshoot the cruise control issue and potentially restore its functionality.

What are the common problems that could cause the cruise control to stop working in a 2011 Scion tC?

When troubleshooting cruise control issues in a 2011 Scion tC, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake pedal switch, which can prevent the cruise control from engaging or cause it to disengage unexpectedly. Additionally, a defective speed sensor can disrupt the system's ability to maintain a constant speed, leading to erratic performance. It's also worth checking for a blown fuse, as this can completely disable the cruise control system. Another potential issue is vacuum leaks in the engine, which can affect the functionality of vacuum-operated components within the cruise control system. Lastly, a malfunctioning cruise control module may fail to respond to commands or maintain speed, further complicating the issue. By systematically addressing these common problems, DIY enthusiasts can effectively troubleshoot and potentially resolve cruise control failures in their Scion tC.

How urgent is it to address the non-functioning cruise control in a 2011 Scion tC?

When it comes to the non-functioning cruise control in a 2011 Scion tC, understanding the urgency of the repair is crucial for maintaining both the vehicle's functionality and the driver's convenience. While the failure of this feature may not present an immediate safety hazard like malfunctioning brakes or steering, it can still significantly affect the driving experience, especially during long trips where cruise control is often utilized. Ignoring this issue could lead to increased driver fatigue and discomfort, as maintaining speed manually can become tiresome over extended periods. Moreover, delaying the repair might allow underlying problems to escalate, potentially resulting in more extensive and costly repairs down the line. Therefore, while it may not be an emergency, addressing the non-functioning cruise control promptly is advisable to ensure a smooth and enjoyable driving experience, as well as to prevent further complications that could arise from neglecting the issue.

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