2014 Mazda MX-5 Miata Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2014 Mazda MX-5 Miata 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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2014 Mazda MX-5 Miata 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 Mazda MX-5 Miata 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-functional cruise control in a 2014 Mazda MX-5 Miata?

When troubleshooting the non-functional cruise control in a 2014 Mazda MX-5 Miata, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control fuse in the fuse box, as a blown fuse can often be the simplest explanation for the malfunction. Next, inspect the cruise control switch on the steering wheel for any signs of damage or wear, as a faulty switch can prevent the system from engaging. It's also crucial to examine the brake pedal switch, since a malfunction here can inadvertently disable the cruise control. Additionally, ensure that the vehicle speed sensor is operational, as it provides critical data for the cruise control system to function correctly. Finally, using a diagnostic scanner to check for error codes can reveal underlying issues that may not be immediately apparent. By following these steps, you can effectively identify and address the root cause of the cruise control problem, making your DIY troubleshooting process more efficient.

What are the common problems that could cause the cruise control to stop working in a 2014 Mazda MX-5 Miata?

When the cruise control in your 2014 Mazda MX-5 Miata ceases to function, it can be frustrating, but understanding the common issues can help you diagnose the problem. One of the first things to check is the fuse; a blown fuse can easily disrupt the cruise control system. Next, consider the brake pedal switch, as a faulty switch may prevent the system from engaging, since it is designed to deactivate when the brake is pressed. Additionally, issues with the speed sensor can hinder the cruise control's ability to maintain speed, while a malfunctioning throttle actuator can also impact its operation. Lastly, the cruise control module itself may be at fault if it is not functioning correctly. By identifying these potential issues, you can take the necessary steps to troubleshoot and possibly resolve the cruise control malfunction in your Miata. However, for more complex problems, consulting a qualified mechanic is advisable to ensure proper repairs.

How urgent is it to address the malfunctioning cruise control in a 2014 Mazda MX-5 Miata?

When it comes to the malfunctioning cruise control in a 2014 Mazda MX-5 Miata, the urgency of addressing the issue cannot be overstated. A malfunctioning cruise control system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which poses a significant safety risk to both the driver and other road users. Ignoring these symptoms may not only compromise your safety but could also result in more severe mechanical issues down the line, leading to costly repairs. By promptly having the cruise control system inspected and repaired by a qualified mechanic, you ensure that your vehicle operates safely and efficiently, preventing potential accidents and extending the lifespan of your car's components. Therefore, taking immediate action is crucial for maintaining both your safety and the integrity of your vehicle.

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2014 Mazda MX-5 Miata Cruise Control Issues & Fixes