2009 Mazda 5 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2009 Mazda 5 and How to Fix Them

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Reviewed by
Bo Fader
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 2009 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 2009 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.

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 steps should I take to diagnose the non-functioning cruise control in my 2009 Mazda 5?

To effectively diagnose the non-functioning cruise control in your 2009 Mazda 5, start with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Begin by inspecting the fuse associated with the cruise control system, as a blown fuse is a common and easily fixable issue. Next, examine the cruise control switch on the steering wheel to ensure it is operational; a faulty switch may require replacement. Following this, verify the speed sensors, as they play a crucial role in the cruise control's functionality; if these sensors are malfunctioning, they can prevent the system from engaging. Additionally, check the brake pedal switch, which is designed to disengage the cruise control when the brake is applied; ensuring this switch is functioning correctly is vital for safety and system operation. If these initial checks do not reveal the problem, utilize an OBD-II scanner to identify any error codes that may indicate specific issues within the cruise control system. Should you still be unable to diagnose the problem, consulting a qualified mechanic or Mazda dealership is advisable, as they can provide a thorough assessment and address any underlying issues. By following this structured diagnostic approach, you can efficiently identify and resolve the cruise control malfunction in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2009 Mazda 5?

When dealing with cruise control issues in a 2009 Mazda 5, it's essential to understand the common problems that may be at play. One of the first things to check is the fuse associated with the cruise control system; a blown fuse can easily disrupt functionality and is a straightforward fix. Additionally, the brake pedal switch plays a crucial role in disengaging cruise control when the brakes are applied. If this switch is malfunctioning, it can prevent the system from operating correctly. Another potential culprit is the speed sensor, which is responsible for maintaining a consistent speed; if it fails, the cruise control may not engage or maintain speed effectively. Furthermore, issues with the throttle control system, such as a faulty throttle position sensor, can also hinder the cruise control's performance. Lastly, any underlying electrical problems, including wiring issues or a malfunctioning cruise control module, can lead to system failures. By systematically checking these components, DIYers can often diagnose and resolve the cruise control issues in their Mazda 5, restoring functionality without the need for professional assistance.

How urgent is it to address the non-functioning cruise control in a 2009 Mazda 5?

Addressing the non-functioning cruise control in a 2009 Mazda 5 should not be overlooked, even if it may not seem as urgent as other critical vehicle issues. While the immediate safety risk may be lower compared to malfunctioning brakes or steering, a faulty cruise control system can signal deeper electrical problems that could compromise your vehicle's overall performance. Ignoring this issue could lead to more significant repairs down the line, increasing both the cost and complexity of the necessary fixes. Moreover, a malfunctioning cruise control can detract from the driving experience, especially on long trips where maintaining a steady speed is beneficial. Therefore, it is advisable to have the system diagnosed and repaired promptly by a qualified mechanic to ensure your vehicle remains safe and reliable on the road. Taking action now can prevent further complications and help maintain the integrity of your Mazda 5.

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