2019 Chevrolet Silverado 1500 LD Cruise Control Isn't Working

Fixing Cruise Control Malfunctions in 2019 Chevrolet Silverado 1500 LD

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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
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2019 Chevrolet Silverado 1500 LD 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 Silverado 1500 LD 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 2019 Chevrolet Silverado 1500 LD?

To effectively diagnose a cruise control issue in your 2019 Chevrolet Silverado 1500 LD, begin with the simplest checks to save time and effort. Start by inspecting the cruise control fuse; a blown fuse can easily disrupt the system's functionality. Next, examine the cruise control buttons on the steering wheel to ensure they are not stuck or damaged, as this can prevent proper engagement. If these initial checks do not resolve the issue, utilize a diagnostic scanner to identify any error codes that may indicate specific problems within the cruise control system. Following this, inspect the speed sensors, which are vital for the system's operation, and ensure they are functioning correctly. Additionally, test the brake pedal switch, as a malfunction here can cause the cruise control to disengage unexpectedly. Lastly, check the wiring and connections associated with the cruise control system for any signs of damage or corrosion. If you have completed these steps and the issue persists, it may be time to consult a professional mechanic for further assistance. By following this structured approach, you can efficiently diagnose and potentially resolve cruise control issues in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2019 Chevrolet Silverado 1500 LD?

When the cruise control in your 2019 Chevrolet Silverado 1500 LD ceases to function, it can be frustrating, but understanding the common issues can help you diagnose the problem. One of the primary culprits is a faulty brake pedal switch, which is crucial for disengaging the cruise control when the brake is applied. If this switch malfunctions, it may prevent the system from engaging at all. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain speed, as it relies on accurate readings to operate correctly. Another potential issue is a blown fuse within the cruise control system; checking the fuses can often reveal simple solutions. If these components are functioning properly, the cruise control module itself may be at fault, requiring repair or replacement. Lastly, don’t overlook the possibility of electrical problems, such as wiring issues or a weak battery, which can also affect the cruise control's performance. By systematically checking these areas, you can effectively troubleshoot and potentially restore your cruise control functionality.

How urgent is it to address the malfunctioning cruise control in a 2019 Chevrolet Silverado 1500 LD?

Addressing a malfunctioning cruise control in a 2019 Chevrolet Silverado 1500 LD is of utmost importance due to the significant safety risks it poses. When cruise control fails, it can lead to unexpected acceleration or deceleration, which can result in dangerous driving situations and increase the likelihood of accidents. Promptly fixing this issue not only safeguards your safety but also that of other road users. Additionally, neglecting the problem can exacerbate the situation, potentially leading to more extensive damage to the vehicle's systems, which could result in costly repairs down the line. Furthermore, a properly functioning cruise control enhances the overall driving experience, providing convenience and comfort during long trips. Therefore, it is crucial to prioritize repairs to ensure both safety and optimal vehicle performance.

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