2005 Chevrolet Cobalt Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2005 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 2005 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 2005 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.

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 steps to diagnose the non-functioning cruise control in a 2005 Chevrolet Cobalt?

When diagnosing the non-functioning cruise control in a 2005 Chevrolet Cobalt, it's important to follow a methodical diagnostic approach that prioritizes simpler solutions before delving into more complex issues. Begin by checking the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable problem. 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. It's also vital to verify the functionality of the speed sensor, which is essential for the cruise control to receive accurate speed readings. Additionally, examine the brake pedal switch, since a malfunction here can lead to the cruise control disengaging unexpectedly. Don't forget to check the throttle cable for any damage or obstructions that could impede its operation. If these preliminary checks do not resolve the issue, using a diagnostic scanner to identify any error codes can provide valuable insights into the underlying problem. If all else fails, consulting a qualified mechanic may be necessary for a comprehensive inspection and repair. By adhering to this structured approach, you can effectively troubleshoot and potentially resolve the cruise control issues in your Chevrolet Cobalt.

What are the common problems that could cause the cruise control to stop working in a 2005 Chevrolet Cobalt?

When troubleshooting the cruise control system in a 2005 Chevrolet Cobalt, it's essential to understand the common problems that may lead to its failure. One of the primary issues could be a faulty brake light switch, which is crucial for the cruise control's operation as it disengages the system when the brake pedal is pressed. Additionally, a blown fuse in the vehicle's fuse box can interrupt the electrical flow necessary for the cruise control to function properly. Another potential culprit is a defective speed sensor, which is responsible for relaying the vehicle's speed to the cruise control system; if this sensor fails, the system may struggle to maintain a constant speed. Furthermore, vacuum leaks in the engine can disrupt the operation of the cruise control, causing it to malfunction or disengage unexpectedly. Lastly, a malfunctioning cruise control module itself can be a significant factor in the system's failure to engage or maintain speed. By identifying these common issues, DIY enthusiasts can better diagnose and address the problems affecting their vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2005 Chevrolet Cobalt?

When it comes to the non-functioning cruise control in a 2005 Chevrolet Cobalt, the urgency of addressing the issue cannot be overstated. While it may not seem like an immediate emergency, neglecting this problem can lead to significant inconveniences and potential safety risks. A malfunctioning cruise control system can disrupt your driving experience, particularly on long highway trips where maintaining a constant speed is crucial for comfort and fuel efficiency. Common causes such as blown fuses, faulty brake lights, or defective brake switches can often be resolved with simple DIY fixes, making it essential to investigate these issues promptly. Ignoring the symptoms may not only lead to further complications but could also result in unexpected speed fluctuations that compromise your safety on the road. Therefore, taking the time to diagnose and repair your cruise control system is a wise decision that enhances both your driving comfort and overall vehicle safety.

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