2020 Mazda CX-3 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2020 Mazda CX-3 and How to Fix Them

Find Repair Location
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
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2020 Mazda CX-3 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 2020 Mazda CX-3 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 steps to diagnose the cruise control issue in a 2020 Mazda CX-3?

When diagnosing a cruise control issue in a 2020 Mazda CX-3, it's essential to adopt a systematic approach that begins with the simplest checks before moving on to more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box; a blown fuse can easily disrupt the system's functionality. Next, examine the cruise control buttons on the steering wheel to ensure they are not stuck or damaged, as this can prevent proper engagement. Utilizing an OBD-II scanner to review any error codes related to the cruise control system can provide critical insights into the underlying problem. Additionally, check the vehicle speed sensor, which is vital for the cruise control to operate correctly, and ensure it is functioning as intended. Lastly, verify that the brake lights are operational, as faulty brake lights can interfere with the cruise control system's ability to engage. By following these steps, you can effectively narrow down the potential causes of the cruise control issue and take appropriate action to resolve it.

What are the common problems that could cause the cruise control to stop working in a 2020 Mazda CX-3?

When troubleshooting cruise control issues in a 2020 Mazda CX-3, 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 cruise control's ability to maintain a steady speed, as the system relies on accurate speed readings to function correctly. Another potential problem is a blown fuse within the cruise control system, which can easily be checked and replaced if necessary. Throttle control malfunctions can also hinder the cruise control's performance, as they affect the system's ability to adjust speed effectively. Furthermore, the Electronic Control Module (ECM) is critical for regulating the cruise control; any glitches or malfunctions here can lead to operational issues. Lastly, wiring problems, such as damaged or loose connections, can interrupt communication between components, resulting in cruise control failure. By systematically addressing these common issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your Mazda CX-3.

How urgent is it to address the malfunctioning cruise control in a 2020 Mazda CX-3?

Addressing a malfunctioning cruise control in a 2020 Mazda CX-3 is of utmost importance due to the potential safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, creating hazardous driving conditions that could endanger both the driver and other road users. Additionally, a faulty cruise control system can detract from the overall driving experience, making it less convenient to maintain a steady speed. Ignoring these issues not only compromises safety but can also lead to increased fuel consumption, as inconsistent speed control often results in inefficient driving patterns. Furthermore, delaying repairs may exacerbate the problem, potentially causing more extensive damage to the vehicle's systems and components. Therefore, it is crucial to address any cruise control malfunctions promptly to ensure safe and efficient operation of your Mazda CX-3 on the road.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2020 Mazda CX-3 Cruise Control Issues & Repair Costs