2006 Chevrolet Silverado 3500 Cruise Control Isn't Working

Fixing Cruise Control Malfunctions in 2006 Chevrolet Silverado 3500

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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 3500 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 3500 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 3500?

When troubleshooting the non-functional cruise control in a 2006 Chevrolet Silverado 3500, it's important to follow a methodical diagnostic approach that prioritizes simpler solutions before delving into more complex issues. Begin by checking the fuse related to the cruise control system, as a blown fuse is a common and straightforward problem to fix. Next, inspect the wiring for any visible damage or loose connections, as these can disrupt the electrical flow necessary for the cruise control to function properly. Verifying the operation of the vehicle's speed sensors is also crucial, as they provide essential data for maintaining speed. Additionally, test the brake pedal switch, which is critical for disengaging the cruise control when the brakes are applied; a malfunctioning switch can prevent the system from engaging. If these initial checks do not yield results, consider examining the cruise control module itself, as it may need testing or replacement. Finally, utilizing a diagnostic scanner to check for error codes can help pinpoint specific issues affecting the cruise control system. By systematically addressing these areas, you can effectively identify and resolve the underlying cause of the cruise control malfunction.

What are the common problems that could cause the cruise control to stop working in a 2006 Chevrolet Silverado 3500?

When troubleshooting the cruise control system in a 2006 Chevrolet Silverado 3500, it's essential to consider several common problems that could be at play. One of the first things to check is the vehicle's fuse box; a blown fuse can easily disrupt the cruise control functionality, and replacing it is a straightforward fix. Additionally, the brake pedal switch plays a crucial role in the system, as it disengages cruise control when the brakes are applied. If this switch is malfunctioning, it may prevent the cruise control from engaging properly. Another potential issue could stem from the speed sensor, which is responsible for maintaining a constant speed; any problems here can lead to erratic behavior of the cruise control. Furthermore, the cruise control module itself may be faulty, which would hinder the system's ability to function correctly. Lastly, it's important to inspect for vacuum leaks within the cruise control system, as these can significantly disrupt its operation. By systematically addressing these common issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your Silverado.

How urgent is it to address the non-functioning cruise control in a 2006 Chevrolet Silverado 3500?

Addressing a non-functioning cruise control in a 2006 Chevrolet Silverado 3500 is important, even if it may not seem like an immediate emergency. The cruise control system is designed to enhance driving comfort, particularly on long trips, by allowing the driver to maintain a constant speed, which can significantly reduce fatigue. However, a malfunctioning system could signal deeper issues within the vehicle's electronics or engine control systems, potentially compromising overall performance. While the inability to use cruise control may not directly affect the vehicle's drivability, it can lead to inconvenience during extended highway travel, where this feature is most beneficial. Moreover, neglecting the problem could result in increased fuel consumption, as drivers may struggle to maintain a steady speed, leading to higher costs over time. Timely attention to this issue not only ensures a more enjoyable driving experience but also helps prevent further damage to the vehicle's systems, ultimately safeguarding the safety and reliability of your Chevrolet Silverado 3500.

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