2005 Chevrolet Tahoe Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2005 Chevrolet Tahoe and How to Fix Them

Find Repair Location
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 2005 Chevrolet Tahoe 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 Tahoe 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 in a 2005 Chevrolet Tahoe?

To effectively diagnose the non-functioning cruise control in your 2005 Chevrolet Tahoe, 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 cruise control switch located on the steering wheel; a malfunctioning switch can prevent the system from engaging. Following this, check the brake pedal switch, which is essential for disengaging the cruise control when brakes are applied. If these components are functioning correctly, utilize a diagnostic scanner to identify any error codes that may indicate specific problems within the system. Additionally, assess the speed sensor, as it is vital for providing accurate data to the cruise control system. Lastly, inspect the vacuum lines for any leaks or damage, particularly since older models like the Tahoe may rely on these for proper operation. By following this structured diagnostic approach, you can efficiently identify and resolve the issues affecting your cruise control system.

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

When dealing with a malfunctioning cruise control system in a 2005 Chevrolet Tahoe, it's essential to understand the common problems that could be at play. One of the primary culprits is a faulty brake light switch, which can prevent the cruise control from engaging since it is designed to deactivate when the brake pedal is pressed. Additionally, a blown fuse in the vehicle's fuse box can disrupt the entire cruise control system, leading to its failure. Another critical component to check is the speed sensor; if it is defective, the cruise control may struggle to maintain a constant speed. Furthermore, vacuum leaks in the engine can interfere with the cruise control's operation, causing it to malfunction or disengage unexpectedly. Lastly, a faulty cruise control module can also be responsible for the system's inability to engage or maintain speed. By systematically examining these areas, DIYers can effectively troubleshoot and potentially resolve the cruise control issues in their Tahoe.

How urgent is it to address the malfunctioning cruise control in a 2005 Chevrolet Tahoe?

When dealing with a malfunctioning cruise control in a 2005 Chevrolet Tahoe, it is crucial to recognize the urgency of the situation. While it may not seem like an immediate emergency, neglecting this issue can lead to significant safety risks, such as the inability to maintain a consistent speed or unexpected acceleration, which could result in dangerous driving conditions. Additionally, unresolved cruise control problems can contribute to further mechanical issues, potentially leading to costly repairs down the line. Therefore, it is advisable to address any symptoms of malfunction as soon as they arise. By doing so, you not only enhance your driving experience but also ensure the safety of yourself, your passengers, and others on the road. Seeking assistance from a qualified mechanic or a Chevrolet specialist can provide the necessary expertise to diagnose and resolve the issue effectively, allowing you to enjoy the benefits of this convenient feature without compromising safety.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.