2016 Buick Regal Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Buick Regal 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 2016 Buick Regal 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 2016 Buick Regal 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.

What are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2016 Buick Regal?

When troubleshooting the non-functioning cruise control in a 2016 Buick Regal, it's crucial to follow a structured diagnostic approach that prioritizes simpler checks before delving into more complex issues. Begin by inspecting the cruise control fuse located in the fuse box, as a blown fuse can easily disrupt the system's operation. Next, assess the cruise control buttons on the steering wheel to ensure they are not stuck or damaged, which could hinder their functionality. The vehicle speed sensor is another key element; confirm that it is working correctly, as the cruise control system depends on accurate speed readings. Additionally, check the brake pedal switch, which is designed to disengage the cruise control when the brake is pressed; any malfunction here can lead to operational issues. Utilizing a diagnostic scanner to identify any error codes can provide valuable insights into potential problems. Lastly, examine the cruise control module for any signs of damage or malfunction, as this component is essential for the system's overall performance. By systematically following these diagnostic steps, you can effectively 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 2016 Buick Regal?

When the cruise control in a 2016 Buick Regal ceases to function, several common problems may be at play. One of the primary culprits is a faulty brake pedal switch, which is designed to disengage the cruise control when the brake is applied; if this switch malfunctions, it can prevent the system from engaging. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain a steady speed, as the system relies on accurate speed readings to function correctly. A blown fuse in the cruise control circuit can also be a simple yet often overlooked cause, so checking the fuse box for any damaged fuses is a prudent step. Furthermore, problems with the throttle control system can hinder the cruise control's performance, as it needs to adjust the throttle to maintain speed. The Electronic Control Module (ECM) plays a crucial role in managing the cruise control system, and any issues with the ECM can lead to operational failures. Lastly, inspecting the wiring for any damage or loose connections is essential, as faulty wiring can disrupt the entire system. By systematically addressing these potential issues, DIYers can effectively troubleshoot and potentially resolve cruise control malfunctions in their Buick Regal.

How urgent is it to address the malfunctioning cruise control in my 2016 Buick Regal?

When it comes to the malfunctioning cruise control in your 2016 Buick Regal, the urgency of addressing the problem cannot be overstated. A faulty cruise control system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which poses a significant safety risk not only to you but also to other drivers on the road. Moreover, the convenience that cruise control offers during long drives is compromised, making your driving experience less enjoyable and more stressful. Ignoring these symptoms may result in more severe issues down the line, potentially leading to extensive damage to your vehicle's systems and incurring higher repair costs. Therefore, it is crucial to take immediate action to diagnose and fix the malfunctioning cruise control to ensure your safety and maintain the integrity of your vehicle.

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Troubleshooting 2016 Buick Regal Cruise Control Issues