2008 Chevrolet Cobalt Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2008 Chevrolet Cobalt 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 Chevrolet Cobalt 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 Chevrolet Cobalt 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.

What are the steps to diagnose the non-functioning cruise control in a 2008 Chevrolet Cobalt?

To effectively diagnose the non-functioning cruise control in your 2008 Chevrolet Cobalt, begin with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Start 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 located on the steering wheel; ensure it is operational, as a faulty switch can prevent the system from engaging. Following this, check the brake pedal switch, which is crucial since the cruise control disengages when the brake is applied. If these components are functioning correctly, utilize an OBD-II scanner to identify any error codes that may indicate deeper issues within the system. Additionally, assess the speed sensor, as it is vital for the cruise control's operation, ensuring it provides accurate readings. Lastly, inspect the vacuum lines for any leaks or damage, as these can also disrupt the cruise control functionality. By following this structured diagnostic approach, you can efficiently identify and address the underlying issues affecting your vehicle's cruise control system.

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

When troubleshooting the cruise control system in a 2008 Chevrolet Cobalt, it's essential to consider several common problems that could be at play. One of the primary culprits is a failed control module, which can disrupt the entire system's functionality. Additionally, issues with sensors or switches, such as a faulty clutch switch or a stuck brake light switch, can prevent the cruise control from engaging properly. It's also worth checking for blown fuses, particularly those related to the steering or brake systems, as these can easily lead to a non-functioning cruise control. Furthermore, problems with throttle actuation may arise, affecting how the vehicle responds when cruise control is activated. By systematically examining these components, DIYers can identify the root cause of the issue and take the necessary steps to restore their cruise control system to working order.

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

Addressing the non-functioning cruise control in your 2008 Chevrolet Cobalt is crucial for maintaining both comfort and vehicle integrity. While it may seem like a minor inconvenience, neglecting this issue can lead to more significant problems within the vehicle's electrical system. A malfunctioning cruise control can disrupt the overall driving experience, especially on long trips where this feature enhances comfort and reduces fatigue. Moreover, if left unresolved, the underlying causes of the cruise control failure could escalate, potentially resulting in costly repairs or safety risks. Therefore, it is essential to diagnose and fix the issue promptly, ensuring a smoother driving experience and preventing further complications down the road. Taking action now not only restores the convenience of cruise control but also safeguards the longevity and reliability of your vehicle.

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