2007 Mazda CX-9 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2007 Mazda CX-9 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 2007 Mazda CX-9 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 2007 Mazda CX-9 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.

What are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2007 Mazda CX-9?

When troubleshooting the non-functioning cruise control in your 2007 Mazda CX-9, it's essential to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse located in the fuse box, as a blown fuse is a straightforward issue that can easily disrupt the system. 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 significantly impact cruise control performance. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into any underlying issues affecting the system. Additionally, ensure that your brake lights are operational, as a faulty brake light switch can inadvertently disable cruise control. Lastly, if your vehicle employs a vacuum-operated cruise control system, inspect the vacuum lines for leaks or damage, as these can hinder the system's effectiveness. By following these steps, you can effectively diagnose and potentially resolve the cruise control issue in your Mazda CX-9.

What are the common problems that could cause the cruise control to stop working in a 2007 Mazda CX-9?

When the cruise control in your 2007 Mazda CX-9 stops functioning, it can be frustrating, but understanding the common problems can help you diagnose and resolve the issue. One of the primary culprits is a faulty brake pedal switch, which is designed to disengage the cruise control when the brake is pressed; if it malfunctions, the system may not engage at all. Additionally, issues with the speed sensor can disrupt the vehicle's ability to maintain a constant speed, leading to cruise control failure. A blown fuse in the cruise control system is another straightforward problem that can be easily checked and replaced. Furthermore, vacuum leaks in the engine can hinder the cruise control's performance, so inspecting the vacuum lines for any leaks is essential. If these components check out, consider the cruise control module itself, as a malfunction here can prevent the system from working correctly. Lastly, electrical issues, such as faulty wiring or connectors, can also contribute to cruise control problems. By systematically addressing these potential issues, you can effectively troubleshoot and restore the functionality of your cruise control system.

How urgent is it to address the non-functioning cruise control in a 2007 Mazda CX-9?

When it comes to the non-functioning cruise control in your 2007 Mazda CX-9, understanding the urgency of the situation is crucial for both safety and vehicle performance. While a malfunctioning cruise control may not present an immediate danger like brake or steering failures, it can signal deeper issues within the vehicle's electronic systems or sensors. Ignoring this problem could lead to more significant complications down the line, potentially affecting other critical systems and increasing repair costs. Moreover, a properly functioning cruise control enhances driving comfort and fuel efficiency, making it an important feature for long trips. Therefore, while it may not be the top priority, addressing the cruise control issue promptly is advisable to maintain the overall health of your vehicle and ensure a safe driving experience.

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