2017 Mazda MX-5 Miata Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2017 Mazda MX-5 Miata 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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2017 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 2017 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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 steps to diagnose the cruise control issue in a 2017 Mazda MX-5 Miata?

When diagnosing a cruise control issue in a 2017 Mazda MX-5 Miata, it's crucial to take a methodical approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse, as a blown fuse can easily disrupt the system's operation. Next, verify the functionality of the cruise control buttons on the steering wheel, since malfunctioning buttons can lead to operational issues. Utilizing an OBD-II scanner to check for error codes is an important step, as these codes can provide insights into specific problems affecting the cruise control system. After that, examine the vehicle speed sensor, as a faulty sensor can hinder the cruise control's ability to maintain speed. It's also essential to check the brake and clutch switches, as defective switches may cause the cruise control to disengage unexpectedly. Lastly, thoroughly inspect the wiring and connections for any signs of damage or corrosion, as compromised wiring can significantly impact the cruise control's performance. By following this structured approach, you can effectively diagnose and resolve the cruise control issue in your Mazda MX-5 Miata.

What are the common problems that could cause the cruise control to stop working in a 2017 Mazda MX-5 Miata?

When troubleshooting cruise control issues in a 2017 Mazda MX-5 Miata, it's essential to consider several common problems that could be at play. One of the first components to check is the brake pedal switch, as a malfunction here can prevent the cruise control from engaging; this switch is designed to deactivate the system when the brake is pressed. Additionally, the speed sensor plays a crucial role in maintaining a constant speed, and any issues with this sensor 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. If these components check out, the cruise control module itself may be defective, hindering communication with the vehicle's systems. Lastly, consider the throttle actuator, which regulates engine speed; any malfunction in this part can significantly impact cruise control performance. By systematically examining these areas, DIYers can often identify the root cause of the problem and take appropriate action to restore functionality.

How urgent is it to address the non-functioning cruise control in a 2017 Mazda MX-5 Miata?

When it comes to the non-functioning cruise control in your 2017 Mazda MX-5 Miata, understanding the urgency of the situation is crucial for maintaining an enjoyable driving experience. While the absence of cruise control may not pose an immediate safety risk, it can significantly detract from the convenience and comfort of long drives, especially on highways where maintaining a steady speed is beneficial. Ignoring this issue could lead to increased frustration during extended trips, as you may find yourself constantly adjusting your speed. Moreover, what starts as a minor inconvenience could potentially escalate into more serious mechanical problems if left unaddressed. By taking the time to diagnose and repair the cruise control system promptly, you not only enhance your driving experience but also mitigate the risk of more costly repairs in the future. Therefore, while it may not be an emergency, addressing the non-functioning cruise control should be a priority to ensure your Mazda MX-5 Miata remains a pleasure to drive.

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2017 Mazda MX-5 Miata Cruise Control Issues & Repair Costs