2019 Alfa Romeo Giulia Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2019 Alfa Romeo Giulia and How to Fix Them

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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 Alfa Romeo Giulia 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 Alfa Romeo Giulia 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 initial diagnostic steps to troubleshoot the non-functional cruise control in a 2019 Alfa Romeo Giulia?

When faced with a non-functional cruise control in your 2019 Alfa Romeo Giulia, start your troubleshooting by checking the cruise control fuse, as a blown fuse is a common and easily fixable issue that can halt the system's operation. Next, inspect the cruise control switch to ensure it is working correctly; a faulty switch can prevent the system from engaging. It's also crucial to verify the speed sensors, as they play a vital role in the cruise control's functionality; if these sensors are malfunctioning, they can disrupt the system's performance. Additionally, connect a diagnostic tool to check for any error codes in the vehicle's onboard system, as these codes can provide insights into underlying problems. Lastly, examine the brake pedal switch to ensure it is not stuck or defective, since a malfunction here can disable the cruise control entirely. By systematically following these steps, you can effectively diagnose and potentially resolve the issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2019 Alfa Romeo Giulia?

When dealing with a malfunctioning cruise control system in a 2019 Alfa Romeo Giulia, it's essential to understand the common problems that may be at play. One of the primary culprits is a faulty speed sensor, which can hinder the system's ability to accurately gauge the vehicle's speed, preventing it from engaging or maintaining the desired speed. Additionally, issues with the brake light switch can disrupt the cruise control functionality, as this switch is designed to deactivate the system when the brakes are applied. Another potential issue is a malfunction in the throttle control system, particularly with the throttle position sensor, which can interfere with the cruise control's ability to sustain a constant speed. Electrical problems, such as blown fuses or wiring issues, can also impact the cruise control's performance, making it crucial to check the vehicle's electrical system. Lastly, software glitches within the onboard computer can lead to unexpected cruise control behavior. By systematically addressing these common issues, DIYers can effectively troubleshoot and potentially resolve the cruise control problems in their Alfa Romeo Giulia.

How urgent is it to address the malfunctioning cruise control in my 2019 Alfa Romeo Giulia?

Addressing the malfunctioning cruise control in your 2019 Alfa Romeo Giulia is of utmost importance due to the safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, which can create hazardous driving conditions for you and others on the road. Additionally, if you frequently rely on cruise control for long journeys, ignoring this issue can significantly diminish your driving comfort and convenience. Beyond immediate safety and comfort concerns, delaying repairs may result in further damage to your vehicle's systems, leading to more extensive and costly repairs down the line. Therefore, it is crucial to prioritize the repair of your cruise control system to ensure not only your safety but also the longevity and reliability of your vehicle.

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2019 Alfa Romeo Giulia Cruise Control Issues & Repairs