2008 Saturn Aura Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2008 Saturn Aura 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 2008 Saturn Aura 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 2008 Saturn Aura 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.

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 2008 Saturn Aura?

To effectively diagnose the non-functioning cruise control in your 2008 Saturn Aura, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by examining the fuse associated with the cruise control system, as a blown fuse is a common and easily fixable issue. Next, inspect the wiring for any signs of damage or loose connections, which can disrupt the system's functionality. After ensuring the wiring is intact, test the cruise control switch located on the steering wheel; a malfunctioning switch is often a culprit in cruise control failures. If these initial checks do not resolve the issue, utilize an OBD-II scanner to identify any error codes that may indicate specific problems within the system. Additionally, pay attention to the speed sensors, as they are vital for the cruise control to operate correctly. If you still cannot determine the cause of the malfunction, it may be wise to consult a mechanic who specializes in Saturn vehicles for a thorough diagnosis and repair. By following this structured diagnostic approach, you can efficiently identify and address the issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2008 Saturn Aura?

When dealing with a malfunctioning cruise control system in a 2008 Saturn Aura, 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 is defective, it may prevent the system from engaging altogether. Another frequent issue is a defective speed sensor; if this component fails, the cruise control cannot maintain a constant speed, leading to operational failure. Additionally, a blown fuse can disrupt the entire cruise control system, necessitating a simple fuse replacement to restore functionality. Vacuum leaks are also a concern, as they can hinder the system's ability to maintain speed consistently. Lastly, a malfunctioning cruise control module may be responsible for the system's inability to engage or maintain speed effectively. By systematically checking these components, DIYers can identify and resolve the issues affecting the cruise control in their Saturn Aura, ensuring a smoother driving experience.

How urgent is it to address the non-functioning cruise control in a 2008 Saturn Aura?

When it comes to the non-functioning cruise control in a 2008 Saturn Aura, understanding the urgency of the situation is crucial for any DIY enthusiast. While this issue may not present an immediate safety hazard like brake or engine failures, it can significantly affect your driving experience, especially during long trips. A malfunctioning cruise control system can lead to driver fatigue, as maintaining a constant speed becomes a manual task, which can be tiring over extended periods. Moreover, neglecting this issue could result in increased fuel consumption due to inconsistent speed management, ultimately leading to higher costs at the pump. Additionally, addressing the problem sooner rather than later can prevent potential complications within the vehicle's electrical system, which could escalate into more serious and costly repairs. Therefore, while it may not seem urgent at first glance, taking the time to diagnose and fix the cruise control issue is essential for ensuring a comfortable and efficient driving experience.

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