2015 Chevrolet Sonic Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2015 Chevrolet Sonic 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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2015 Chevrolet Sonic 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 2015 Chevrolet Sonic 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 2015 Chevrolet Sonic?

To effectively diagnose a cruise control issue in your 2015 Chevrolet Sonic, start with the simplest checks before moving on to more complex diagnostics. Begin by inspecting the fuses associated with the cruise control system, as a blown fuse can often be the culprit behind malfunctioning features. Next, examine the brake pedal and throttle body; any irregularities in these components can directly affect the cruise control's performance. If these initial checks do not resolve the issue, utilizing a diagnostic scanner can provide deeper insights into any error codes or malfunctions within the system. This methodical approach not only saves time but also helps in pinpointing the exact cause of the problem, making it easier for you to implement the necessary repairs.

What are the common problems that could cause the cruise control to stop working in a 2015 Chevrolet Sonic?

When the cruise control in a 2015 Chevrolet Sonic ceases to function, several common issues may be at play. One of the first things to check is the fuse associated with the cruise control system; a blown fuse can easily disrupt its operation. Additionally, the brake pedal switch plays a crucial role in the system's functionality, as it disengages cruise control when the brake is applied. If this switch is faulty, it may prevent the cruise control from engaging or disengaging properly. Another potential culprit is the vehicle's speed sensor; if it fails to accurately detect speed, the cruise control may not work as intended. Furthermore, the throttle actuator control module is essential for the cruise control system, and any malfunction here can lead to issues. Electrical problems, such as damaged wiring or corroded connections, can also interfere with the system's performance, making it vital to inspect these components. Lastly, the cruise control switch located on the steering wheel may malfunction, preventing activation or adjustment of the cruise control. By systematically checking these common problems, DIYers can effectively troubleshoot and potentially resolve cruise control issues in their Chevrolet Sonic.

How urgent is it to address the malfunctioning cruise control in my 2015 Chevrolet Sonic?

Addressing a malfunctioning cruise control in your 2015 Chevrolet Sonic is crucial for several reasons. First and foremost, a faulty system can lead to unexpected acceleration or deceleration, significantly increasing the risk of accidents on the road. This safety concern should not be taken lightly, as it can endanger not only your life but also the lives of others. Additionally, a malfunctioning cruise control can make long drives uncomfortable and stressful, detracting from the overall driving experience. Furthermore, neglecting this issue may result in additional wear and tear on your vehicle's components, leading to more extensive and costly repairs down the line. Therefore, it is imperative to address any cruise control malfunctions promptly to ensure your safety, enhance your driving comfort, and protect your vehicle from further damage.

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