2006 Chevrolet Tahoe Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2006 Chevrolet Tahoe and How to Fix Them

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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 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 2006 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 2006 Chevrolet Tahoe?

To effectively diagnose the non-functioning cruise control in a 2006 Chevrolet Tahoe, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the fuse associated with the cruise control system, as a blown fuse is a common and easily fixable issue. Next, inspect the cruise control switch on the steering wheel to ensure it is operational, as a faulty switch can prevent engagement. Following this, examine the brake pedal switch, which is crucial for disengaging the cruise control when brakes are applied; a malfunction here can disable the system entirely. Utilizing a diagnostic scanner to check for error codes can provide insights into specific problems affecting the cruise control. Additionally, inspect the speed sensor, as it plays a vital role in maintaining a constant speed; any faults here can lead to malfunctions. Lastly, if your Tahoe's cruise control relies on vacuum pressure, check the vacuum lines for leaks or damage, as these can significantly disrupt functionality. By methodically following these steps, you can accurately identify and address the underlying issues affecting your vehicle's cruise control system.

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

When dealing with a malfunctioning cruise control system in a 2006 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 cruise control's functionality, making it crucial to check and replace any blown fuses. Another potential issue is a defective speed sensor, which can interfere with the communication between the vehicle's speed system and the cruise control, leading to operational failures. Furthermore, vacuum leaks in the engine can significantly impact the cruise control system, as it relies on vacuum pressure to function correctly. Lastly, the cruise control module itself may be faulty, necessitating repair or replacement to restore proper operation. By systematically checking these components, DIYers can effectively troubleshoot and potentially fix the cruise control issue in their Tahoe.

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

When it comes to the non-functioning cruise control in your 2006 Chevrolet Tahoe, addressing the issue promptly is essential for maintaining both safety and vehicle performance. While it may not present an immediate danger like a failing brake system, a malfunctioning cruise control can signal underlying problems within the vehicle's electronic or mechanical systems. Ignoring this issue could lead to more significant complications, potentially affecting other critical features and resulting in costly repairs down the line. Moreover, a properly functioning cruise control system enhances driving comfort and fuel efficiency, making it a valuable asset for long trips. Therefore, it is advisable to consult a qualified mechanic to diagnose and repair the cruise control system, ensuring that your Tahoe remains safe and reliable on the road.

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