2012 Mazda 6 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2012 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 2012 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 2012 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 initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2012 Mazda 6?

When troubleshooting the non-functioning cruise control in a 2012 Mazda 6, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control fuse in the fuse box, as a blown fuse can often be the simplest issue to resolve. Next, inspect the cruise control switch on the steering wheel for any signs of damage or wear, as a malfunctioning switch can prevent the system from engaging. Following this, examine the brake pedal switch, since a faulty switch can inadvertently signal that the brakes are engaged, disabling the cruise control. Additionally, ensure that the vehicle speed sensor is functioning correctly, as it is vital for the cruise control system to operate effectively. Finally, consider using a diagnostic scanner to check for any error codes that may provide insight into specific issues affecting the cruise control system. By following these steps, you can methodically identify and address the potential causes of your cruise control malfunction, making it easier to restore functionality.

What are the common problems that could cause the cruise control to stop working in a 2012 Mazda 6?

When dealing with a non-functional cruise control system in a 2012 Mazda 6, it's essential to understand the common problems that could be at play. One of the primary culprits is a faulty brake pedal switch, which is crucial for disengaging 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 system's ability to maintain a constant speed, leading to failure. A blown fuse is another straightforward issue that can halt the cruise control's operation entirely, making it a quick fix to check. Furthermore, if the cruise control module itself is faulty, it may not communicate effectively with the vehicle's systems, resulting in malfunction. Lastly, vacuum leaks in the engine can also impact the cruise control's performance, as they can interfere with the system's ability to maintain speed. By identifying and addressing these common issues, DIYers can effectively troubleshoot and potentially resolve cruise control problems in their Mazda 6.

How urgent is it to address the malfunctioning cruise control in my 2012 Mazda 6?

Addressing the malfunctioning cruise control in your 2012 Mazda 6 is crucial for several reasons. First and foremost, a malfunctioning system can lead to unexpected acceleration or deceleration, creating a significant safety hazard on the road. This unpredictability not only endangers you and your passengers but also poses risks to other drivers. Additionally, a faulty cruise control can detract from your driving experience, especially during long trips where comfort is paramount. The inconvenience of having to manually control your speed can lead to fatigue and frustration. Moreover, neglecting this issue can result in further wear and tear on your vehicle's components, potentially leading to more extensive and costly repairs down the line. Therefore, it is essential to prioritize the repair of your cruise control system to ensure your safety, enhance your driving comfort, and avoid future expenses.

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2012 Mazda 6 Cruise Control Problems & Repair Costs