2007 Saturn Ion Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2007 Saturn Ion 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 2007 Saturn Ion 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 Saturn Ion 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 are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 2007 Saturn Ion?

When troubleshooting the non-functional cruise control in a 2007 Saturn Ion, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control fuse, as a blown or damaged fuse can easily disrupt the system's operation. Next, inspect the cruise control switch located on the steering wheel to ensure it is functioning correctly; a malfunctioning switch can prevent the system from engaging. It's also crucial to verify that the brake lights are operational, since a faulty brake light switch can inadvertently disable the cruise control. Additionally, examine the vehicle's speed sensors, as they are vital for the cruise control to maintain speed; any issues here can lead to system failure. Finally, consider scanning the vehicle's onboard computer for error codes that may provide insights into underlying problems. By following these steps, you can effectively diagnose 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 2007 Saturn Ion?

When troubleshooting the cruise control system in a 2007 Saturn Ion, it's essential to consider several common problems that could be at play. One of the primary culprits is a faulty brake pedal switch, which is designed to disengage the cruise control when the brake is applied; if this switch malfunctions, it can prevent the system from engaging. Another potential issue is a defective speed sensor, which is crucial for maintaining a constant speed; if this sensor fails, the cruise control may not function correctly. Additionally, vacuum leaks in the engine can disrupt the operation of vacuum-operated components within the cruise control system, leading to difficulties in speed maintenance. A malfunctioning cruise control module can also be responsible for the system's failure to engage or maintain speed effectively. Lastly, electrical issues, such as blown fuses or wiring problems, can hinder the cruise control's operation. By systematically checking these components, DIY enthusiasts can identify and resolve the issues affecting the cruise control system in their Saturn Ion.

How urgent is it to address the non-functioning cruise control in a 2007 Saturn Ion?

When it comes to the non-functioning cruise control in your 2007 Saturn Ion, addressing the issue promptly is crucial for both safety and comfort. Neglecting this problem can lead to increased driver fatigue during long trips, as you may find yourself constantly adjusting your speed. Additionally, a malfunctioning cruise control system can be indicative of underlying issues such as wiring problems or a faulty throttle actuator, which could escalate into more significant mechanical failures if left unchecked. Moreover, if the cruise control is not operational due to a blown fuse or a faulty brake switch, it may also compromise other vehicle functions, potentially leading to safety risks on the road. Therefore, it is advisable to diagnose and repair any cruise control issues as soon as they arise, ensuring that your driving experience remains smooth and enjoyable while maintaining the safety of you and your passengers.

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