Mazda CX-5 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Mazda CX-5 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 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 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.

Troubleshooting Cruise Control Issues in a Mazda CX-5

When troubleshooting cruise control issues in your Mazda CX-5, begin by checking the simplest components first. Ensure that the cruise control buttons on the steering wheel are functioning properly; sometimes, a stuck or malfunctioning button can prevent the system from engaging. Next, inspect the vehicle's control module and associated sensors, as failures in these areas are common culprits for cruise control malfunctions. If the cruise control still does not respond, examine the throttle actuation system, as problems here can disrupt the cruise control's ability to maintain speed. For models equipped with adaptive cruise control, pay attention to any warning messages displayed on the dashboard, such as "Mazda Radar Cruise Control Disabled under 20 mph," which may indicate issues with the radar or camera systems. If you encounter persistent issues, consider resetting the system by turning off the adaptive cruise control, releasing the button, and then pressing and holding the ON/MODE button to re-engage normal cruise control. By following this diagnostic approach, you can systematically identify and resolve the issues affecting your Mazda CX-5's cruise control system.

Troubleshooting Cruise Control Issues in a Mazda CX-5

When troubleshooting cruise control issues in your Mazda CX-5, it's crucial to recognize the common problems that may affect its functionality. One prevalent issue is the malfunction of the cruise control buttons, which can result in them being unresponsive or only intermittently working. You might also encounter error messages, such as "Mazda Radar Cruise Control Disabled under 20 mph," which can indicate specific problems with the radar system or sensors. In more severe cases, the entire cruise control system may fail, rendering the Set and Resume buttons non-functional. Additionally, it's important to understand that the button configuration can differ in newer models, like the 2022 CX-5 Turbo, due to the inclusion of features such as traffic jam assist; thus, familiarizing yourself with the correct layout is essential for proper operation. Lastly, a faulty brake light switch can significantly disrupt the cruise control system; if you find that your cruise control isn't functioning, checking and potentially replacing this switch could resolve the issue. By being aware of these common problems, you can effectively diagnose and address any cruise control malfunctions in your vehicle.

Why is the Cruise Control Not Working in a Mazda CX-5?

When the cruise control in your Mazda CX-5 is not functioning, it’s crucial to understand the potential causes and the urgency of addressing them. Common issues include a failed control module, sensor, or switch, which can disrupt the system's operation. Additionally, problems with throttle actuation or a defective brake pedal switch may prevent cruise control from engaging. Ignoring these symptoms can lead to unsafe driving conditions, as cruise control is designed to enhance convenience and safety on long drives. Furthermore, issues with the throttle control system or ABS can exacerbate the problem, potentially leading to more significant damage if left unresolved. In older models, a broken vacuum line might be the culprit, which can also affect overall vehicle performance. Therefore, it’s essential to diagnose and repair these issues promptly to ensure your Mazda CX-5 remains safe and reliable on the road.

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