2018 Chevrolet Express 2500 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2018 Chevrolet Express 2500 and How to Fix Them

Find Repair Location
Reviewed by
Aisha
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 Express 2500 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 Express 2500 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 troubleshoot the non-functioning cruise control on a 2018 Chevrolet Express 2500?

When faced with a non-functioning cruise control system in a 2018 Chevrolet Express 2500, it's crucial to adopt a systematic diagnostic approach. Start by checking the cruise control fuse in the fuse box; a blown fuse can often be the simplest explanation for the malfunction. Next, test the cruise control switch located on the steering wheel to ensure it is operational. If the switch is functioning, move on to the brake pedal switch, as this component must be in good working order for the cruise control to engage properly; a stuck or faulty brake pedal switch can inadvertently disable the system. Additionally, inspect the vehicle speed sensor, which is vital for the cruise control's performance, as it relays speed information to the system. Finally, using a diagnostic scanner to check for any error codes can provide deeper insights into potential issues, guiding you toward a more precise solution. By following these steps, you can effectively troubleshoot and potentially resolve the cruise control problem on your Chevrolet Express 2500.

What are the common problems that could cause the cruise control to stop working in a 2018 Chevrolet Express 2500?

When the cruise control in your 2018 Chevrolet Express 2500 ceases to function, it can be frustrating, but understanding the common problems can guide you in troubleshooting the issue. One of the primary culprits is a faulty brake pedal switch, which is crucial for the system's operation as it disengages cruise control when the brake is applied. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a constant speed, leading to failure. It's also worth checking for a blown fuse, as this can easily interrupt the cruise control's functionality; replacing a blown fuse is a straightforward fix. If these components are functioning correctly, the cruise control module itself may be at fault, as a malfunction here can prevent the system from working properly. Lastly, don't overlook potential electrical problems, such as damaged wiring or poor connections, which can also impede the cruise control system. By systematically addressing these common issues, you can effectively restore the cruise control functionality in your vehicle.

How urgent is it to address the malfunctioning cruise control in a 2018 Chevrolet Express 2500?

When it comes to a malfunctioning cruise control in a 2018 Chevrolet Express 2500, the urgency of addressing the issue 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. This unpredictability not only endangers the driver and passengers but also poses a threat to other road users. Moreover, neglecting to fix the cruise control can result in higher fuel consumption, as the vehicle may struggle to maintain a consistent speed, leading to increased operational costs over time. Timely repairs are essential not just for safety but also for maintaining the vehicle's overall efficiency and reliability. By addressing the malfunction promptly, you ensure a smoother driving experience and prevent further complications that could arise from prolonged neglect. Therefore, it is highly advisable to consult a qualified mechanic at the earliest opportunity to diagnose and resolve any cruise control issues, safeguarding both your vehicle's performance and your safety on the road.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

Fixing 2018 Chevrolet Express 2500 Cruise Control Issues