2014 Toyota Prius V Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2014 Toyota Prius V 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 2014 Toyota Prius V 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 Toyota Prius V 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 take when the cruise control isn't working on a 2014 Toyota Prius V?

When faced with a malfunctioning cruise control system in your 2014 Toyota Prius V, it's crucial to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse, as a blown fuse is a common and easily fixable issue that can disrupt the system's functionality. Next, inspect the cruise control switch to ensure it is operational; a faulty switch may need replacement. Following this, verify the speed sensors, as they play a vital role in the cruise control system's ability to engage; any malfunction here can prevent proper operation. Additionally, examine the brake pedal switch, which is designed to disengage the cruise control when pressed; if this switch is faulty, it could be the culprit behind the issue. Finally, consider using a diagnostic tool to scan for error codes that may provide insight into the specific problem affecting your cruise control system. By methodically working through these steps, you can effectively troubleshoot and potentially resolve the cruise control issue on your Prius V.

What are the common problems that could cause the cruise control to stop working in a 2014 Toyota Prius V?

When troubleshooting the cruise control system in a 2014 Toyota Prius V, it's essential to consider several common issues that may be at play. One of the first components to check is the brake light switch, as a faulty switch can prevent the cruise control from engaging; this switch is designed to deactivate the system when the brake pedal is pressed. Additionally, the speed sensor plays a crucial role in maintaining a constant speed, and any malfunction here can lead to cruise control failure. It's also wise to inspect the fuses related to the cruise control system, as a blown fuse can completely disable its functionality. Another potential culprit is the throttle actuator, which regulates engine speed; if it malfunctions, the cruise control may not operate correctly. Lastly, consider the Electronic Control Module (ECM), which oversees various vehicle functions, including cruise control; issues with the ECM can significantly impact the system's performance. By systematically checking these components, DIYers can identify and address the root cause of cruise control issues in their Prius V.

How urgent is it to repair the non-functioning cruise control in a 2014 Toyota Prius V?

When evaluating the urgency of repairing the non-functioning cruise control in your 2014 Toyota Prius V, it's essential to recognize the implications of neglecting this issue. While the immediate safety risks may not be as severe as other mechanical failures, the absence of cruise control can lead to increased driver fatigue and distraction, particularly during long drives. This can compromise overall road safety, making it crucial to address the problem sooner rather than later. Additionally, the comfort and convenience that cruise control provides during extended trips cannot be overlooked; it allows for a more relaxed driving experience by maintaining a steady speed without constant adjustments. Furthermore, if you plan to sell or trade in your vehicle, a fully operational cruise control system can enhance its resale value, making timely repairs a wise investment. Therefore, while it may not be an emergency, prioritizing the repair of your cruise control system is advisable to ensure a safer, more enjoyable driving experience and to protect your vehicle's value.

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