2016 Mazda 6 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Mazda 6 and How to Fix Them

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Reviewed by
Aisha
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 6 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 6 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 steps to diagnose the non-functioning cruise control in a 2016 Mazda 6?

To effectively diagnose the non-functioning cruise control in your 2016 Mazda 6, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse located in the fuse box; a blown fuse can often be the simplest explanation for the issue. Next, examine the cruise control buttons on the steering wheel, as they may become stuck or malfunction, preventing proper engagement. Following this, verify the functionality of the speed sensor, which is essential for the cruise control system to operate correctly. If these initial checks do not resolve the issue, utilize a diagnostic scanner to identify any error codes that could indicate specific problems within the system. Additionally, ensure that the brake and clutch switches are functioning properly, as these components are designed to disengage the cruise control when activated. Finally, inspect the wiring and connections associated with the cruise control system for any signs of damage or loose connections. By following this structured diagnostic approach, you can efficiently identify and address the root cause of the cruise control malfunction in your Mazda 6.

What are the common problems that could cause the cruise control to stop working in a 2016 Mazda 6?

When troubleshooting the cruise control system in a 2016 Mazda 6, it's essential to understand the common problems that may lead to its malfunction. One frequent issue is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied; if this switch fails, the system may not engage at all. Additionally, speed sensor issues can disrupt the system's ability to maintain a constant speed, leading to erratic behavior or complete failure. Another potential culprit is a blown fuse, which can cut power to the cruise control system, necessitating a simple fuse replacement to restore functionality. Furthermore, a malfunctioning throttle actuator can hinder the system's performance by failing to adjust the engine throttle as needed. Lastly, problems with the Electronic Control Module (ECM) can also affect the cruise control, as this computer manages various vehicle functions, including cruise control operations. By identifying and addressing these common issues, you can effectively diagnose and potentially resolve the cruise control problems in your Mazda 6.

How urgent is it to address the non-functioning cruise control in a 2016 Mazda 6?

When it comes to the non-functioning cruise control in a 2016 Mazda 6, understanding the urgency of the situation is crucial for any DIY enthusiast. While a malfunctioning cruise control may not present an immediate safety risk like failing brakes or steering, it can still indicate deeper issues within the vehicle's electronic systems. Ignoring this problem could lead to further complications, potentially affecting other critical components and compromising overall vehicle safety. Additionally, a properly functioning cruise control system enhances driving comfort and fuel efficiency, making it an important feature for long trips. Therefore, it is advisable to inspect and address the cruise control issue as soon as possible, either through DIY troubleshooting or by consulting a qualified mechanic, to ensure your vehicle remains in optimal condition and to prevent any unforeseen problems down the road.

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