2015 Ford Mustang Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2015 Ford Mustang

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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 2015 Ford Mustang 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 2015 Ford Mustang 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-functioning cruise control in a 2015 Ford Mustang?

When troubleshooting the non-functioning cruise control in your 2015 Ford Mustang, it's essential to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue that can disrupt the system. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, as faulty buttons can prevent engagement. Following this, verify the functionality of the speed sensors, as they play a crucial role in the cruise control system's operation. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, examine the brake and clutch switches, as malfunctioning switches can inhibit cruise control activation. Finally, inspect the wiring and connections associated with the cruise control system for any signs of damage or corrosion. By methodically following these steps, you can effectively diagnose and potentially resolve the cruise control issue, ensuring a smoother driving experience. If problems persist, seeking assistance from a professional mechanic may be necessary.

What are the common problems that could cause the cruise control to stop working in a 2015 Ford Mustang?

When troubleshooting the cruise control system in a 2015 Ford Mustang, it's essential to understand the common problems that may lead to its failure. One of the primary culprits is a faulty brake pedal switch, which can disrupt the system's ability to engage or disengage properly. Additionally, issues with the speed sensor can result in inaccurate speed readings, further complicating the cruise control's functionality. A blown fuse within the cruise control circuit can also prevent the system from operating, making it a straightforward fix to check. If these components are functioning correctly, the next step is to examine the cruise control module itself, as a defect here can hinder performance. Furthermore, vacuum leaks in the system can significantly affect operation, as the cruise control relies on a stable vacuum to maintain speed. Lastly, a malfunctioning throttle cable can impede the system's ability to regulate speed effectively. By systematically addressing these potential issues, you can restore the cruise control functionality in your Mustang, ensuring a smoother driving experience.

How urgent is it to address the non-functioning cruise control in a 2015 Ford Mustang?

When it comes to a non-functioning cruise control in your 2015 Ford Mustang, addressing the issue should be a priority, even if it may not seem like an immediate emergency. The cruise control system is designed to enhance your driving experience by maintaining a steady speed, which can significantly reduce fatigue during long drives and improve fuel efficiency. However, a malfunctioning system could signal deeper problems within the vehicle's electrical components or sensors, which, if left unchecked, might lead to more severe issues down the line. Ignoring this problem not only diminishes the convenience of your vehicle but could also pose safety risks, especially on extended trips where cruise control is frequently utilized. Therefore, while it may be tempting to postpone repairs, it is wise to consult a qualified mechanic as soon as possible. This proactive approach not only ensures your safety but also helps prevent further damage to your Mustang, ultimately saving you time and money in the long run.

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2015 Ford Mustang Cruise Control Malfunctions Explained