2006 Chevrolet Avalanche 2500 Cruise Control Isn't Working

Fixing Cruise Control Issues in 2006 Chevrolet Avalanche 2500

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Reviewed by
Bo Fader
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 Avalanche 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 Avalanche 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.

What are the steps to diagnose the non-functioning cruise control on a 2006 Chevrolet Avalanche 2500?

To effectively diagnose the non-functioning cruise control on your 2006 Chevrolet Avalanche 2500, begin with a systematic approach that prioritizes simpler checks before delving into 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 wiring for any signs of damage or loose connections, which can disrupt the system's functionality. Testing the cruise control switch on the steering wheel is also crucial, as a malfunctioning switch can often be the culprit behind cruise control problems. If these initial checks do not reveal the issue, utilize a diagnostic scanner to identify any error codes that may indicate specific faults within the system. Additionally, if your vehicle relies on vacuum for cruise control operation, inspect the vacuum lines for leaks or blockages, as these can significantly impact performance. Lastly, ensure that the speed sensors are functioning correctly, as they play a vital role in the cruise control system's operation. If you still cannot determine the cause of the malfunction after these steps, consulting a qualified mechanic with experience in Chevrolet vehicles may be necessary for a thorough diagnosis and repair. By following this structured diagnostic approach, you can efficiently identify and address the issues affecting your cruise control system.

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

When troubleshooting cruise control issues in a 2006 Chevrolet Avalanche 2500, it's essential to consider several common problems that could be at play. A failed control switch is often the first suspect, as it directly affects the system's ability to engage and maintain speed. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the cruise control's functionality, making it crucial to inspect the vehicle's electrical system. The vehicle speed sensor also plays a vital role; if it malfunctions, the cruise control may not be able to maintain the desired speed. Another critical component is the brake pedal switch, which disengages the cruise control when the brakes are applied; if this switch is faulty, it can lead to unexpected cruise control failures. Lastly, a vacuum leak within the cruise control system can significantly impair its operation. By systematically checking these components, DIYers can effectively diagnose and potentially resolve cruise control issues in their Avalanche, restoring this convenient feature.

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

Addressing the non-functioning cruise control in a 2006 Chevrolet Avalanche 2500 is important, even if it may not seem urgent at first glance. While the absence of this feature does not directly impair the vehicle's drivability, it can significantly affect the comfort and convenience of long-distance driving, leading to increased driver fatigue. Moreover, the issue could stem from something as simple as a blown fuse or a faulty switch, which are relatively easy and inexpensive to fix. However, if left unattended, the problem could escalate into more complex issues involving the cruise control module or wiring, potentially leading to costly repairs and further damage to the vehicle's electrical system. Therefore, it is advisable to address the non-functioning cruise control promptly to maintain the vehicle's performance and ensure a safer driving experience.

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