2006 Chevrolet Silverado 2500 HD Cruise Control Isn't Working

Fix Cruise Control Malfunctions in Your 2006 Chevrolet Silverado 2500 HD

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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 2006 Chevrolet Silverado 2500 HD 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 2006 Chevrolet Silverado 2500 HD 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.

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-functional cruise control in a 2006 Chevrolet Silverado 2500 HD?

When faced with a non-functional cruise control in your 2006 Chevrolet Silverado 2500 HD, it's crucial to adopt a systematic diagnostic approach. Begin by inspecting the fuses associated with the cruise control system, as a blown fuse is often a straightforward and common culprit. If the fuses are intact, the next step is to test the cruise control switch; this can be done similarly to how you would check the brake switch, ensuring that the switch is functioning correctly. Additionally, pay attention to the check engine light; if it is illuminated, it may indicate an underlying issue that is preventing the cruise control from operating. Utilizing an OBD2 scan tool can help you diagnose any trouble codes related to the check engine light, guiding you toward a more specific problem. By following these initial steps, you can effectively narrow down the potential causes of your cruise control malfunction and take the necessary actions to resolve the issue.

What are the common problems that could cause the cruise control to stop working in a 2006 Chevrolet Silverado 2500 HD?

When the cruise control in your 2006 Chevrolet Silverado 2500 HD ceases to function, it can be frustrating, but understanding the common problems can help you diagnose and resolve the issue effectively. One of the primary culprits is a faulty brake light switch, which is crucial for the cruise control system as it disengages the system when the brake pedal is pressed. If this switch is malfunctioning, it may prevent the cruise control from engaging altogether. Another potential issue is a blown fuse; checking the vehicle's fuse box for any blown fuses and replacing them can often restore functionality. Additionally, a defective speed sensor can disrupt the system's ability to maintain speed, necessitating its replacement for proper operation. Vacuum leaks within the cruise control system can also lead to performance issues, so inspecting for and repairing any leaks is essential. Lastly, a malfunctioning cruise control module may require replacement to get the system back up and running. By systematically addressing these common problems, you can troubleshoot the cruise control system in your Silverado and potentially restore its functionality without the need for professional assistance.

How urgent is it to address the malfunctioning cruise control in a 2006 Chevrolet Silverado 2500 HD?

When it comes to a malfunctioning cruise control in a 2006 Chevrolet Silverado 2500 HD, the urgency of addressing the issue cannot be overstated. A faulty cruise control system can lead to unexpected acceleration or deceleration, creating significant safety hazards on the road. This unpredictability not only endangers the driver and passengers but also poses risks to other road users. Moreover, delaying repairs can exacerbate the problem, potentially leading to more extensive damage to the vehicle's components, which could result in costly repairs down the line. Additionally, a malfunctioning cruise control detracts from the overall driving experience, diminishing the convenience and comfort that this feature is designed to provide. Therefore, it is crucial to prioritize the diagnosis and repair of cruise control issues promptly to ensure safety, prevent further damage, and maintain an enjoyable driving experience.

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