2006 Chevrolet Express 2500 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2006 Chevrolet Express 2500 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 2006 Chevrolet Express 2500 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 Express 2500 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.

A faulty cruise control module will simply result in deactivation of cruise control settings. This is because a detected error in the cruise control system could lead to hazardous driving conditions, so the module will be disabled, and the cruise control system warning light will be displayed. This will be a different message depending on make and model, and a warning light or message may be displayed on the driver instrument cluster.

What are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 2006 Chevrolet Express 2500?

When troubleshooting the non-functional cruise control in a 2006 Chevrolet Express 2500, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control fuse in the fuse box, as a blown fuse can often be the simplest fix. Next, verify the functionality of the cruise control switch; if it’s faulty, replacing it may resolve the issue. The brake pedal switch is another critical component to examine, as a malfunction here can prevent the cruise control from engaging. Additionally, inspect the vehicle speed sensor, which is vital for the cruise control system to operate correctly. Finally, using a diagnostic scanner to check for error codes can provide insights into any underlying problems. By following these steps in order, you can effectively narrow down the potential causes of the cruise control malfunction and take appropriate action to restore its functionality.

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

When troubleshooting cruise control issues in a 2006 Chevrolet Express 2500, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied. If this switch malfunctions, it can prevent the system from engaging properly. Another potential issue is a defective speed sensor; this component is vital for maintaining a constant speed, and if it fails, the cruise control will not function as intended. Additionally, a blown fuse can completely disable the cruise control system, making it necessary to check and replace any damaged fuses. Vacuum leaks can also disrupt the cruise control's operation, leading to erratic behavior or complete failure. Lastly, a malfunctioning cruise control module may require replacement to restore the system's functionality. By systematically addressing these common problems, you can effectively troubleshoot and potentially fix the cruise control issues in your vehicle.

How urgent is it to address the non-functioning cruise control in a 2006 Chevrolet Express 2500?

Addressing the non-functioning cruise control in a 2006 Chevrolet Express 2500 is crucial for several reasons. First and foremost, safety is a primary concern; a malfunctioning cruise control can lead to erratic speed changes, increasing the risk of accidents and compromising the driver's ability to maintain focus on the road. Additionally, cruise control significantly enhances driving comfort, particularly during long journeys, allowing drivers to relax and reduce fatigue. Ignoring this issue not only detracts from the overall driving experience but may also indicate deeper problems within the vehicle's electrical or engine systems. By addressing the cruise control malfunction promptly, you can prevent further complications and potentially costly repairs, ensuring a safer and more enjoyable driving experience.

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