2014 Scion IQ Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2014 Scion iQ and How to Fix Them

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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 2014 Scion iQ 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 2014 Scion iQ 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.

What steps should I take to diagnose the non-functioning cruise control in my 2014 Scion iQ?

To effectively diagnose the non-functioning cruise control in your 2014 Scion iQ, start by checking the basics to ensure the system is activated and the indicator light is operational. Next, inspect the fuse box for any blown fuses that could disrupt the cruise control functionality. It's also crucial to examine the brake and clutch switches, as faulty switches can prevent the system from engaging. If these initial checks do not reveal the issue, utilize an OBD-II scanner to identify any error codes that may indicate specific problems within the cruise control system. Following this, test the cruise control module to confirm it is sending the correct signals; a malfunction here may necessitate replacement. Lastly, inspect all wiring and connections for damage or looseness, as these can also impede the system's operation. If these steps do not resolve the issue, seeking assistance from a professional mechanic may be the best course of action. By following this structured approach, you can systematically identify and address the root cause of your cruise control problems.

What are the common problems that could cause the cruise control to stop working in a 2014 Scion iQ?

When troubleshooting cruise control issues in a 2014 Scion iQ, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied; if this switch malfunctions, it can prevent the system from engaging properly. Additionally, speed sensor issues can arise, as this component is vital for maintaining a constant speed; any malfunction here can lead to cruise control failure. Another potential problem is a blown fuse within the cruise control system, which can completely disable its functionality. Furthermore, a faulty cruise control module may hinder communication between the system and the vehicle, resulting in operational issues. Lastly, the throttle actuator, responsible for controlling engine speed, can also malfunction, affecting the cruise control's performance. By identifying and addressing these common issues, you can effectively troubleshoot and restore the cruise control functionality in your Scion iQ.

How urgent is it to address the non-functioning cruise control in a 2014 Scion iQ?

Addressing a non-functioning cruise control in a 2014 Scion iQ is more urgent than it may initially seem. The cruise control system plays a vital role in maintaining a steady speed, which is essential for safe highway driving. A malfunction can lead to erratic speed changes, increasing the risk of accidents and compromising your safety on the road. Additionally, the convenience of cruise control significantly enhances driving comfort, especially during long trips, and its absence can lead to fatigue and discomfort. Furthermore, neglecting this issue can adversely affect the vehicle's resale value; potential buyers are likely to be deterred by a malfunctioning cruise control system, which may signal other underlying problems. Therefore, while it may not be an immediate emergency, addressing the non-functioning cruise control promptly is crucial for ensuring your safety, enhancing your driving experience, and preserving the overall value of your Scion iQ.

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2014 Scion iQ Cruise Control Issues & Repair Costs