Buick Regal TourX Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Buick Regal TourX and How to Fix Them

Find Repair Location
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 Buick Regal TourX 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 Buick Regal TourX 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.

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.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

Troubleshooting Cruise Control Issues in a Buick Regal TourX

When troubleshooting cruise control issues in your Buick Regal TourX, it's essential to adopt a methodical diagnostic approach. Begin by checking the fuses associated with the cruise control system, as a blown fuse can often be the simplest explanation for malfunction. Next, inspect the brake pedal and throttle body to ensure they are functioning correctly, as these components play a crucial role in the cruise control's operation. If the problem persists, utilizing a diagnostic scanner can help identify any underlying issues that may not be immediately visible. Additionally, verify the speed sensor's operation, as a faulty sensor can disrupt the cruise control functionality. Don't overlook the importance of the brake light and brake switch; a malfunction here can also lead to cruise control failure. Lastly, consider any engine-related issues, as a check engine light or other engine problems may be the root cause of your cruise control troubles. By following this structured approach, you can effectively diagnose and potentially resolve cruise control issues in your vehicle.

What Are the Common Problems Causing Cruise Control Issues in a Buick Regal TourX?

When dealing with cruise control issues in a Buick Regal TourX, it's essential to understand the common problems that may be at play. One of the primary culprits is a failed control module, which can disrupt the entire cruise control system. Additionally, sensor or switch malfunctions can prevent the cruise control from engaging or maintaining speed, making it crucial to check these components for any signs of wear or failure. Another significant factor is throttle actuation problems, often linked to a faulty throttle position sensor, which can hinder the system's ability to regulate speed effectively. By familiarizing yourself with these common issues, you can take the first steps toward diagnosing and potentially fixing the cruise control problems in your vehicle, ensuring a smoother driving experience.

Why is the Cruise Control Not Working in a Buick Regal TourX?

When the cruise control in your Buick Regal TourX fails to operate, it’s crucial to address the issue without delay. Ignoring symptoms such as unresponsive controls or sudden disengagement can lead to unsafe driving conditions, particularly on long trips where maintaining speed is essential for safety. Common culprits include a malfunctioning control module, faulty sensors, or issues with the brake pedal switch, all of which can compromise your vehicle's ability to maintain a steady speed. Additionally, problems with the throttle actuation system or even a blown fuse can disrupt cruise control functionality. If left unchecked, these issues could escalate, potentially leading to more significant repairs and increased costs. Therefore, it’s advisable to conduct a thorough inspection of the relevant components, including the throttle control system and any associated wiring, to ensure your cruise control system is functioning properly and safely. Taking prompt action not only enhances your driving experience but also safeguards your vehicle's performance and your safety on the road.

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.