2017 Buick Regal Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2017 Buick Regal and How to Fix Them

Find Repair Location
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 2017 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 2017 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 steps to diagnose the non-functioning cruise control in a 2017 Buick Regal?

To diagnose the non-functioning cruise control in your 2017 Buick Regal, begin with a methodical approach that emphasizes simplicity and efficiency. Start by checking the cruise control fuse 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 not stuck or damaged, as this can directly affect functionality. Following this, examine the speed sensors, which are vital for cruise control operation; any malfunction here could hinder performance. Utilizing an OBD-II scanner to check for error codes can provide valuable insights into underlying issues. Additionally, verify that the brake lights are operational, since a faulty brake light switch can prevent the cruise control from engaging. If your vehicle employs a vacuum-operated system, inspect the vacuum lines for leaks or damage. Finally, test the cruise control module to confirm its functionality. If these steps do not resolve the issue, consulting a mechanic may be necessary for further diagnosis and repair. By following this structured approach, you can effectively troubleshoot and potentially fix the cruise control system in your Buick Regal.

What are the common causes for the cruise control not working in a 2017 Buick Regal?

When facing cruise control issues in a 2017 Buick Regal, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied; if this switch malfunctions, the system may not engage at all. Additionally, speed sensor issues can disrupt the cruise control's ability to maintain a set speed, as it relies on accurate readings to function properly. Another area to check is the fuse box; a blown fuse can completely disable the cruise control system, making it a straightforward fix if identified early. Furthermore, problems with the throttle actuator control system can hinder the cruise control's performance, necessitating a closer inspection. Lastly, the electronic control module (ECM) plays a vital role in managing various vehicle functions, including cruise control; if the ECM is faulty, it can lead to significant operational issues. By systematically checking these components, DIYers can effectively diagnose and potentially resolve cruise control problems in their Buick Regal.

How urgent is it to address the malfunctioning cruise control in a 2017 Buick Regal?

Addressing a malfunctioning cruise control in a 2017 Buick Regal is of utmost importance due to the potential safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can create hazardous driving conditions. Moreover, timely intervention not only enhances the overall driving experience by ensuring the cruise control operates smoothly but also helps in preventing further complications that could arise from neglect. Ignoring the issue may result in increased fuel consumption and could potentially damage other vehicle components, leading to more costly repairs down the line. Therefore, it is crucial to prioritize the diagnosis and repair of the cruise control system to maintain both safety and vehicle performance, ensuring a comfortable and secure driving experience.

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.