2015 Chevrolet Silverado 1500 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2015 Chevrolet Silverado 1500

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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
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2015 Chevrolet Silverado 1500 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 Silverado 1500 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 initial diagnostic steps to take when the cruise control isn't working on a 2015 Chevrolet Silverado 1500?

When your cruise control isn't functioning on a 2015 Chevrolet Silverado 1500, it's essential to approach the diagnosis methodically. Begin by checking the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue. Next, inspect the brake lights; if they are not operational, this could prevent the cruise control from engaging, as the system relies on these signals to function correctly. Following this, verify the speed sensors, as faulty sensors 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 affecting the cruise control system. Additionally, examine the cruise control switch on the steering wheel to ensure it is working properly, as a malfunctioning switch can hinder activation. Lastly, inspect the wiring connections associated with the cruise control system for any signs of damage or corrosion, as poor connections can lead to functionality problems. By systematically addressing these areas, you can effectively troubleshoot and potentially resolve the cruise control issues on your Silverado.

What are the common problems that could cause the cruise control to stop working in a 2015 Chevrolet Silverado 1500?

When troubleshooting the cruise control system in a 2015 Chevrolet Silverado 1500, it's essential to understand the common problems that may lead to its failure. One of the primary culprits is a faulty brake light switch, which can prevent the cruise control from engaging since the system is designed to deactivate when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the cruise control's functionality, as it relies on accurate speed readings to maintain the desired speed. Another potential issue is a blown fuse within the cruise control system; checking and replacing any blown fuses can often restore operation. Furthermore, a malfunctioning cruise control module may require repair or replacement to regain functionality. Lastly, vacuum leaks in the cruise control system can also hinder its performance, so inspecting the vacuum lines for any leaks is crucial. By systematically addressing these common problems, you can effectively troubleshoot and potentially resolve the cruise control issues in your Silverado.

How urgent is it to address the non-functioning cruise control in a 2015 Chevrolet Silverado 1500?

Addressing a non-functioning cruise control in your 2015 Chevrolet Silverado 1500 should be a priority, as neglecting this issue can lead to significant safety risks and further vehicle complications. While it may not seem like an immediate emergency, a malfunctioning cruise control system can indicate deeper problems within the vehicle's electrical system or sensors, which, if left unchecked, could escalate into more severe issues. For DIY enthusiasts, understanding the urgency of this repair is crucial; a faulty cruise control can not only diminish your driving comfort and fuel efficiency but also compromise your safety on the road. By taking the time to inspect and repair the cruise control system promptly, you can avoid potential inconveniences during long drives and ensure that your vehicle remains in optimal working condition. Therefore, it is advisable to address this issue sooner rather than later, allowing you to enjoy the full benefits of your Silverado while maintaining peace of mind on every journey.

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2015 Chevrolet Silverado 1500 Cruise Control Fixes