2005 Chevrolet Avalanche 1500 Cruise Control Isn't Working

Fix Cruise Control Malfunctions in 2005 Chevrolet Avalanche 1500

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Reviewed by
Andrew Hajjar
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 Avalanche 1500 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 Avalanche 1500 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-functioning cruise control in a 2005 Chevrolet Avalanche 1500?

When faced with a non-functioning cruise control in a 2005 Chevrolet Avalanche 1500, it's essential to adopt a systematic diagnostic approach. Begin by checking the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue. Next, inspect the cruise control buttons on the steering wheel to ensure they are operational, as faulty buttons can prevent engagement. The speed sensor is another critical component; verify its functionality since a malfunction here can disrupt the entire system. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into specific problems affecting the cruise control. Additionally, inspect the vacuum lines for any leaks or damage, particularly since older models may rely on these for proper operation. Finally, ensure that the brake and clutch switches are functioning correctly, as these are designed to disengage the cruise control when activated. By following these steps, you can effectively troubleshoot and potentially resolve the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2005 Chevrolet Avalanche 1500?

When troubleshooting the cruise control system in a 2005 Chevrolet Avalanche 1500, 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 defective speed sensor can disrupt the system's ability to maintain a steady speed, rendering the cruise control ineffective. Another potential culprit is a blown fuse, which can cut off power to the cruise control system entirely. Furthermore, vacuum leaks in the engine can affect the necessary vacuum supply for the cruise control to function properly. Lastly, a malfunctioning cruise control module may also be responsible for the system's failure. Identifying these issues can help you effectively diagnose and address the problem, ensuring your cruise control system operates smoothly once again.

How urgent is it to repair the non-functioning cruise control in a 2005 Chevrolet Avalanche 1500?

While the non-functioning cruise control in a 2005 Chevrolet Avalanche 1500 may not seem like an urgent repair, it is essential to recognize the potential consequences of ignoring this issue. Cruise control enhances driving comfort by allowing drivers to maintain a steady speed, but its malfunction could signal underlying problems, especially if accompanied by other symptoms like faulty brake lights. Neglecting these signs could lead to more significant issues that may compromise vehicle performance or safety. For DIY enthusiasts, it’s advisable to first troubleshoot the system, as a simple reset might resolve the problem. However, if the cruise control continues to malfunction or affects the vehicle's drivability, timely inspection and repair are crucial to prevent further complications and ensure a safe driving experience. Addressing the issue sooner rather than later can help maintain the vehicle's overall functionality and avoid potential safety risks on the road.

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