2016 Scion TC Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Scion tC 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 2016 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 2016 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 are the initial steps to diagnose the non-functioning cruise control in a 2016 Scion tC?

When diagnosing the non-functioning cruise control in a 2016 Scion tC, it's crucial to follow a structured diagnostic approach that emphasizes simpler checks before tackling more complex issues. Start by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable problem that can halt the system's operation. Next, check the cruise control buttons on the steering wheel to ensure they are working correctly, since malfunctioning buttons can prevent the cruise control from engaging. After that, verify the performance of the speed sensor, which is essential for the cruise control system; a faulty sensor can lead to engagement issues. Utilizing an OBD-II scanner to check for error codes can also provide valuable insights into any underlying problems that may be affecting the system. Additionally, assess the brake and clutch switches, as these components are designed to disengage the cruise control when activated, and ensure they are functioning properly. Finally, inspect the wiring and connections for any signs of damage or corrosion, as compromised wiring can disrupt the system's functionality. By methodically following these steps, you can effectively diagnose and resolve the cruise control issue in your Scion tC, ensuring a smoother driving experience.

What are the common problems that could cause the cruise control to stop working in a 2016 Scion tC?

When troubleshooting cruise control issues in a 2016 Scion tC, it's essential to recognize the common problems that may lead to its failure. A frequently encountered issue is a faulty brake pedal switch, which can prevent the system from engaging or disengaging correctly. Additionally, a malfunctioning speed sensor can disrupt the cruise control's ability to maintain a steady speed, while a blown fuse may render the system inoperable. Another potential culprit is a defective cruise control module, which can hinder effective communication between the cruise control and the vehicle's other systems. Furthermore, throttle control problems, such as a stuck throttle or issues with the throttle position sensor, can significantly impact cruise control functionality. By identifying and addressing these issues promptly, you can restore the cruise control system to working order, enhancing your overall driving experience.

How urgent is it to address the non-functioning cruise control in a 2016 Scion tC?

When it comes to the non-functioning cruise control in a 2016 Scion tC, understanding the urgency of the situation is crucial for any DIY enthusiast. While the malfunction may not present an immediate safety hazard like failing brakes or steering, it can still significantly impact your driving experience, particularly on long trips or highways where maintaining a constant speed is beneficial. Ignoring this issue could lead to increased driver fatigue and reduced fuel efficiency, which are important factors for any vehicle owner. Moreover, delaying repairs might result in more complex problems down the line, potentially leading to higher repair costs and inconvenience. Therefore, while the urgency may not be as high as with critical safety components, addressing the cruise control issue promptly is advisable to ensure your vehicle remains functional and enjoyable to drive.

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