2018 Chevrolet Traverse Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2018 Chevrolet Traverse 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
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2018 Chevrolet Traverse 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 2018 Chevrolet Traverse 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 2018 Chevrolet Traverse?

When diagnosing a cruise control issue in a 2018 Chevrolet Traverse, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by checking the cruise control fuse, as a blown fuse can often be the root of the problem. Next, inspect the cruise control buttons on the steering wheel to ensure they are functioning properly and not stuck, as this can prevent the system from engaging. Utilizing an OBD-II scanner to scan for error codes can provide valuable insights into any underlying issues. Additionally, examining the speed sensors is crucial, as they are integral to the cruise control system's operation. Don't overlook the wiring connections; ensure they are secure and free from damage or corrosion. If these preliminary checks do not resolve the issue, testing the cruise control module itself may be necessary to determine if it requires replacement. Should the problem persist after these steps, consulting a professional mechanic is advisable for a thorough diagnosis and repair. This methodical approach not only helps in identifying the issue effectively but also saves time and resources in the DIY process.

What are the common problems that could cause the cruise control to stop working in a 2018 Chevrolet Traverse?

When troubleshooting cruise control issues in a 2018 Chevrolet Traverse, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty brake light switch, which can prevent the cruise control from engaging since it is designed to deactivate when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a constant speed, leading to failure. A blown fuse in the cruise control circuit is another simple yet often overlooked problem that can halt functionality; checking and replacing the fuse may quickly resolve the issue. Furthermore, the throttle actuator control system, which includes various sensors and actuators, can also be a source of trouble if any components are malfunctioning. Lastly, problems with the Electronic Control Module (ECM), the vehicle's central computer, can affect multiple systems, including cruise control. By systematically examining these areas, you can effectively diagnose and potentially fix the cruise control problem in your Traverse.

How urgent is it to address the malfunctioning cruise control in my 2018 Chevrolet Traverse?

When it comes to the malfunctioning cruise control in your 2018 Chevrolet Traverse, the urgency of addressing the issue cannot be overstated. A properly functioning cruise control system is essential for maintaining a steady speed, which not only enhances comfort during long drives but also plays a crucial role in road safety. If the system is malfunctioning, it can lead to erratic acceleration or deceleration, creating hazardous driving conditions that could result in accidents. Moreover, neglecting this issue may mean that the cruise control fails to engage when you need it most, leading to frustration and potential safety risks during highway travel. Timely intervention is also vital to prevent further damage to the vehicle's electronic systems, which could escalate repair costs and complicate the issue. Therefore, it is highly advisable to have a qualified mechanic diagnose and repair the cruise control malfunction as soon as possible to ensure your safety and the optimal performance of your vehicle.

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