2018 Alfa Romeo Stelvio Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2018 Alfa Romeo Stelvio 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
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2018 Alfa Romeo Stelvio 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 Alfa Romeo Stelvio 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.

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 Alfa Romeo Stelvio?

When diagnosing a cruise control issue in a 2018 Alfa Romeo Stelvio, it's crucial to follow a methodical approach that begins with the simplest checks before progressing to more complex diagnostics. Start by inspecting the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, examine the cruise control buttons on the steering wheel to ensure they are working properly, since faulty buttons can lead to malfunctions. Utilizing an OBD-II scanner to check for error codes is an important step, as it can help identify specific issues affecting the cruise control system. After that, verify the performance of the speed sensors, which are essential for the system's operation; any faults here can directly impact cruise control functionality. Additionally, inspect the wiring connections for any signs of damage or corrosion, as poor connections can hinder the system's performance. Finally, test the cruise control module to ensure it is effectively sending and receiving signals. By adhering to this structured diagnostic approach, you can efficiently pinpoint and resolve the underlying causes of cruise control issues in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2018 Alfa Romeo Stelvio?

When dealing with cruise control issues in a 2018 Alfa Romeo Stelvio, it's essential to understand the common problems that may arise. One frequent culprit is a faulty speed sensor, which can hinder the system's ability to detect the vehicle's speed accurately, preventing it from engaging or maintaining the desired speed. Additionally, a malfunctioning brake light switch can disrupt the cruise control operation, as this switch is designed to disengage the system when the brakes are applied. Another potential issue is a blown fuse, which can completely disable the cruise control system. Throttle control problems, such as a stuck throttle or issues with the throttle position sensor, can also interfere with the system's functionality. Lastly, electrical problems, including wiring issues or a malfunctioning control module, can lead to cruise control failure. By identifying and addressing these common issues, DIYers can effectively troubleshoot and restore the cruise control system in their Stelvio.

How urgent is it to address the malfunctioning cruise control in my 2018 Alfa Romeo Stelvio?

Addressing a malfunctioning cruise control in your 2018 Alfa Romeo Stelvio is not just a matter of convenience; it is a critical safety concern that requires immediate attention. A malfunction can lead to erratic speed changes, increasing the risk of accidents and compromising your safety on the road. Moreover, neglecting this issue can exacerbate the problem, potentially causing damage to other vehicle components, which could result in more extensive and costly repairs down the line. Additionally, a properly functioning cruise control system enhances your driving experience, providing comfort and ease during long journeys. Therefore, it is essential to prioritize the repair of your cruise control system to ensure your safety, prevent further damage, and maintain the overall performance of your vehicle.

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2018 Alfa Romeo Stelvio Cruise Control Malfunction Guide