2016 Mazda MX-5 Miata Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Mazda MX-5 Miata 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 2016 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 2016 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 non-functioning cruise control in a 2016 Mazda MX-5 Miata?

To diagnose the non-functioning cruise control in your 2016 Mazda MX-5 Miata, begin with a methodical approach that emphasizes simplicity and efficiency. Start by checking the cruise control fuse in the fuse box, as a blown fuse is a common and easily fixable issue that can halt the system's operation. Next, inspect the cruise control switch located on the steering wheel; a faulty switch may require replacement and is another straightforward fix. Following this, verify the functionality of the speed sensor, as a malfunction here can prevent the cruise control from engaging properly. Additionally, examine the brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied; a defective switch can lead to operational problems. If these initial checks do not resolve the issue, utilize an OBD-II scanner to scan for any error codes that may provide insight into specific problems within the cruise control system. Should you still be unable to identify the issue, it may be wise to consult a mechanic or dealership experienced with Mazda vehicles for a more thorough diagnosis. By following this structured diagnostic approach, you can effectively troubleshoot and potentially 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 2016 Mazda MX-5 Miata?

When troubleshooting cruise control issues in a 2016 Mazda MX-5 Miata, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake pedal switch, which is designed to disengage the cruise control when the brake is applied; if this switch malfunctions, it can prevent the system from engaging. Additionally, speed sensor issues can disrupt the vehicle's ability to maintain a constant speed, leading to cruise control failure. It's also wise to check for a blown fuse in the cruise control system, as this can easily interrupt functionality. If these components are functioning correctly, consider the possibility of a faulty cruise control module, which may require repair or replacement. Electrical problems, such as wiring issues or a malfunctioning control switch, can further complicate matters, as can vacuum leaks in the engine system that affect speed maintenance. By systematically addressing these potential issues, you can effectively diagnose and resolve the cruise control problems in your Mazda MX-5 Miata.

How urgent is it to address the non-functioning cruise control in a 2016 Mazda MX-5 Miata?

When it comes to the non-functioning cruise control in a 2016 Mazda MX-5 Miata, understanding the urgency of the situation is crucial for any DIY enthusiast. While the absence of cruise control may not pose an immediate safety risk, it can significantly detract from the overall driving experience, especially during long trips where maintaining a steady speed is beneficial. Ignoring this issue could lead to increased driver fatigue and frustration, particularly on highways where cruise control is most advantageous. Moreover, what may seem like a minor inconvenience could potentially mask underlying problems that, if left unaddressed, might escalate into more serious and costly repairs. Therefore, it is wise to tackle the cruise control malfunction promptly, ensuring not only the convenience of this feature but also the long-term health of your vehicle. By addressing the issue sooner rather than later, you can enhance your driving experience and prevent further complications down the road.

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2016 Mazda MX-5 Miata Cruise Control Issues & Repairs