2016 Mazda CX-5 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2016 Mazda CX-5

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Reviewed by
Bo Fader
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 CX-5 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 CX-5 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 2016 Mazda CX-5?

When troubleshooting the non-functioning cruise control in a 2016 Mazda CX-5, it's crucial to follow a structured diagnostic approach that prioritizes simpler checks before delving into more complex issues. Begin by inspecting the cruise control fuse, as a blown fuse is a common culprit that can easily disrupt the system's functionality. Next, assess the cruise control switch to ensure it is operating correctly, since a faulty switch can prevent the system from engaging. It's also important to check the speed sensors, which are vital for the cruise control's performance. Utilizing a diagnostic scanner can help identify any error codes that may indicate specific problems within the system. Additionally, verify that the brake and clutch pedal switches are functioning properly, as issues with these switches can inhibit cruise control activation. Lastly, examine the wiring and connections for any signs of damage or corrosion, as poor connections can lead to malfunctions. By systematically addressing these components, you can effectively diagnose and resolve the issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2016 Mazda CX-5?

When troubleshooting cruise control issues in a 2016 Mazda CX-5, 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, issues with the speed sensor can disrupt the vehicle's ability to maintain a constant speed, leading to cruise control failure. Another potential problem is a blown fuse within the cruise control system, which can easily be checked and replaced if necessary. The throttle actuator, responsible for controlling engine speed, may also malfunction, affecting the cruise control's performance. Furthermore, problems with the Electronic Control Module (ECM) can hinder the cruise control system, as the ECM manages various vehicle functions. Lastly, wiring issues, such as faulty connections, can disrupt communication between components, resulting in a malfunction. By systematically addressing these common issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your Mazda CX-5.

How urgent is it to address the malfunctioning cruise control in a 2016 Mazda CX-5?

When it comes to a malfunctioning cruise control system in a 2016 Mazda CX-5, the urgency to address the problem cannot be overstated. A faulty cruise control can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which significantly increases the risk of accidents on the road. Ignoring these symptoms not only jeopardizes your safety but also that of other drivers and pedestrians. Moreover, delaying repairs can exacerbate the issue, potentially leading to more extensive damage to the vehicle's electronic systems, resulting in costly repairs down the line. Therefore, it is crucial to prioritize the inspection and repair of the cruise control system, ideally by a qualified mechanic or authorized service center, to ensure that your vehicle operates safely and reliably. Taking prompt action not only safeguards your well-being but also helps maintain the overall integrity of your Mazda CX-5.

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