2012 Mazda 5 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2012 Mazda 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
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2012 Mazda 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 2012 Mazda 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.

When the vehicle speed sensor fails or the wiring harness prevents signal transmission, the speedometer is the first thing that will stop functioning properly. This can be an intermittent issue where the speedometer only works occasionally, the speedometer may cease all function, or the speedometer may read erratically or incorrectly. Also, the traction control and anti lock brake warning lights specific to each vehicle may be illuminated, depending on the design of those systems. You may notice the vehicle hesitate to accelerate, cruise control will not function properly, and the vehicle may not shift properly through all of the gears.

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.

What steps should I take to diagnose the non-functioning cruise control in my 2012 Mazda 5?

When diagnosing the non-functioning cruise control in your 2012 Mazda 5, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the cruise control fuse in the fuse box, as a blown fuse is a common and easily fixable issue. Next, inspect the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can prevent the system from engaging properly. Following this, verify the functionality of the speed sensor, since a malfunction here can disrupt the cruise control's operation. It's also crucial to examine the brake pedal switch, which must be functioning correctly to allow the cruise control to work. If these initial checks do not resolve the issue, use an OBD-II scanner to identify any error codes that may provide further insight into the problem. Additionally, if your vehicle utilizes a vacuum-operated system, inspect the vacuum lines for leaks or damage. If you still cannot determine the cause of the malfunction, seeking assistance from a mechanic or dealership is advisable for a professional diagnosis. By following this structured diagnostic approach, you can effectively troubleshoot the cruise control issue in your Mazda 5.

What are the common problems that could cause the cruise control to stop working in a 2012 Mazda 5?

When dealing with cruise control issues in a 2012 Mazda 5, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake pedal switch, which can disrupt the system's ability to engage or disengage, leaving you without the convenience of cruise control. Additionally, a defective speed sensor can hinder the system's performance by failing to relay accurate speed information, causing erratic behavior. Another potential issue is a blown fuse, which can completely disable the cruise control system, making it imperative to check the vehicle's fuse box. Vacuum leaks in the engine can also affect the cruise control's functionality, as they can lead to inconsistent pressure levels that the system relies on. Lastly, a malfunctioning cruise control module may be the root cause of the problem, as it is responsible for processing the signals that control the system. By identifying these common issues, DIYers can take the first steps toward diagnosing and potentially fixing their cruise control problems, ensuring a smoother driving experience.

How urgent is it to address the malfunctioning cruise control in a 2012 Mazda 5?

When it comes to the malfunctioning cruise control in a 2012 Mazda 5, the urgency of addressing the problem cannot be overstated. A faulty cruise control system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which significantly increases the risk of accidents on the road. This unpredictability not only endangers the driver and passengers but also poses a threat to other road users. Moreover, delaying repairs can exacerbate the issue, potentially leading to more extensive damage to the vehicle's electronic systems or mechanical components, resulting in higher repair costs down the line. Therefore, it is crucial to prioritize the inspection and repair of the cruise control system, ideally by a qualified mechanic or dealership, to ensure the vehicle operates safely and reliably. Taking prompt action not only safeguards your safety but also helps maintain the overall integrity of your Mazda 5.

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