2019 Chevrolet Sonic Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2019 Chevrolet Sonic and How to Fix Them

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Reviewed by
Bo Fader
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 2019 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 2019 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 non-functioning cruise control in a 2019 Chevrolet Sonic?

To effectively diagnose the non-functioning cruise control in your 2019 Chevrolet Sonic, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue that can halt the system's operation. Next, examine the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can prevent the system from engaging. Following this, verify the functionality of the speed sensor, since a malfunction here can disrupt the cruise control's ability to maintain speed. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, ensure that the brake and clutch switches are operational, as faulty switches can inhibit cruise control activation. Finally, inspect the wiring and connections associated with the cruise control system for any damage or corrosion, as poor connections can lead to system failure. By following this structured diagnostic approach, you can efficiently identify and address the root cause of the cruise control malfunction in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2019 Chevrolet Sonic?

When troubleshooting the cruise control system in a 2019 Chevrolet Sonic, it's essential to understand the common problems that may lead to its failure. One of the first things to check is the fuse; a blown fuse can disrupt the entire system, preventing it from functioning. Additionally, the brake pedal switch plays a crucial role, as a malfunction here may fail to signal the system to disengage when the brakes are applied, causing erratic behavior. Speed sensor issues can also arise, which affect the system's ability to maintain a consistent speed, leading to potential safety concerns. Furthermore, the throttle actuator is vital for proper operation; if it malfunctions, the cruise control may not respond as expected. Lastly, electrical problems, including wiring issues or a faulty control module, can create significant disruptions in the cruise control system. By systematically checking these components, DIY enthusiasts can effectively diagnose and potentially resolve the issues affecting their vehicle's cruise control functionality.

How urgent is it to address the malfunctioning cruise control in my 2019 Chevrolet Sonic?

When it comes to the malfunctioning cruise control in your 2019 Chevrolet Sonic, the urgency to address the problem cannot be overstated. A faulty cruise control system 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 also that of other drivers and pedestrians. Moreover, delaying repairs can exacerbate the issue, potentially leading to more extensive damage to the vehicle's electronic systems, resulting in higher repair costs. Therefore, it is crucial to take immediate action by either troubleshooting the issue yourself or seeking assistance from a qualified mechanic. By prioritizing the repair of your cruise control system, you ensure a safer driving experience and protect your investment in the vehicle.

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2019 Chevrolet Sonic Cruise Control Issues & Repairs