Buick Encore Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 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 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 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.

Troubleshooting Cruise Control Issues in a Buick Encore

When troubleshooting cruise control issues in your Buick Encore, it's essential to adopt a systematic diagnostic approach that prioritizes simpler fixes before delving into more complex problems. Start by checking the fuse related to the cruise control system, as a blown fuse is a common and easily rectifiable issue. Next, inspect the brake pedal switch, which can often malfunction and disrupt the cruise control functionality. If these initial checks do not resolve the issue, proceed to verify the Brake Pedal Position Sensor to ensure it is providing accurate readings. Following this, examine the throttle control system and the Anti-lock Braking System (ABS) for any irregularities, as these components can significantly impact cruise control performance. Lastly, if the cruise control is still not functioning, investigate any engine-related issues or warning lights, such as the check engine light, which may indicate underlying problems affecting the cruise control system. By methodically addressing these potential causes, you can effectively diagnose and resolve the cruise control issues in your Buick Encore.

What Could Cause the Cruise Control to Malfunction in a Buick Encore?

When dealing with cruise control malfunctions in a Buick Encore, it's essential to understand the common problems that may arise. One frequent culprit is a failed control module, sensor, or switch, which can disrupt the system's functionality. Additionally, throttle actuation issues can prevent the cruise control from engaging properly. For newer models like the 2022 Buick Encore GX, drivers have reported difficulties with the cruise control not setting or resuming after braking, indicating potential problems with the brake pedal sensor or switch. Other common issues include blown fuses within the cruise control system, which can easily be checked and replaced. Furthermore, engine-related problems, such as a blown turbocharger or a check engine light, can also impact cruise control performance. Older models may experience complications due to a broken vacuum line or issues with the throttle control system and ABS. By diagnosing these specific factors, DIYers can effectively troubleshoot and resolve cruise control malfunctions, ensuring a smoother driving experience.

Why is the Cruise Control Not Working in a Buick Encore?

When the cruise control in your Buick Encore fails, it’s crucial to address the issue promptly, as neglecting it can lead to safety risks and potentially more significant vehicle damage. Common culprits behind cruise control malfunctions include a faulty control module, defective sensors, or issues with the brake pedal switch, which can compromise your ability to maintain speed safely on the highway. Additionally, a blown fuse or problems within the throttle control system can exacerbate the situation, leading to erratic vehicle behavior. If the check engine light is illuminated, it may indicate underlying engine problems that could further hinder cruise control functionality. Ignoring these symptoms not only affects your driving experience but could also result in costly repairs down the line. Therefore, diagnosing the specific cause of the malfunction is essential for ensuring your vehicle operates safely and efficiently.

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