2017 Buick Encore Cruise Control Isn't Working

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

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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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2017 Buick Encore 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 Encore 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.

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 cruise control issue in a 2017 Buick Encore?

When diagnosing a cruise control issue in a 2017 Buick Encore, it's crucial to follow a structured diagnostic approach that prioritizes simpler checks before moving on to more complex solutions. Begin by inspecting the cruise control fuse, as a blown fuse is a common reason for system failure. Next, examine the cruise control buttons on the steering wheel to ensure they are functioning correctly, since faulty buttons can hinder system engagement. Utilizing an OBD-II scanner to check for error codes can reveal specific problems affecting the cruise control system. It's also important to assess the vehicle speed sensor, which is vital for accurate speed readings necessary for cruise control operation. Additionally, verify the brake pedal switch, as it must operate properly to disengage the cruise control when the brakes are applied. If these initial steps do not resolve the issue, testing the cruise control module may be required to confirm its functionality. Should the problem persist, seeking assistance from a professional mechanic experienced with Buick vehicles can provide further insights and solutions. By following this methodical approach, you can effectively troubleshoot and potentially fix cruise control issues in your Buick Encore.

What are the common problems that could cause the cruise control to stop working in a 2017 Buick Encore?

When troubleshooting the cruise control system in a 2017 Buick Encore, it's essential to understand the common problems that could lead to its failure. 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 it relies on accurate speed readings to function correctly. Another potential issue is a blown fuse within the cruise control system, which can easily be checked and replaced if necessary. Furthermore, a malfunction in the throttle control system can hinder the cruise control's performance, as it needs to regulate the vehicle's speed effectively. Problems with the Electronic Control Module (ECM) can also impact the cruise control, as this component manages various vehicle functions, including cruise control operations. Lastly, vacuum leaks in the engine can interfere with the cruise control system's functionality, so inspecting for and repairing any leaks is crucial. By identifying and addressing these common issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your Buick Encore.

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

When it comes to a malfunctioning cruise control system in a 2017 Buick Encore, the urgency of addressing the issue cannot be overstated. A faulty cruise control can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which significantly increases the risk of accidents on the road. Ignoring these symptoms not only jeopardizes your safety but can also result in more extensive damage to the vehicle's systems, leading to costly repairs down the line. Therefore, it is crucial to have the cruise control inspected and repaired as soon as possible by a qualified mechanic or dealership. Taking prompt action ensures that your vehicle operates safely and efficiently, allowing you to enjoy the benefits of cruise control without the associated risks.

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2017 Buick Encore Cruise Control Issues & Repair Guide