2020 Alfa Romeo Giulia Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2020 Alfa Romeo Giulia and How to Fix Them

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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 2020 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 2020 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 steps to diagnose the cruise control issue in a 2020 Alfa Romeo Giulia?

To effectively diagnose a cruise control issue in your 2020 Alfa Romeo Giulia, begin with the simplest solutions. Start by checking the cruise control fuse in the fuse box; a blown fuse can often be the culprit behind malfunctioning systems. Next, inspect the cruise control buttons on the steering wheel to ensure they are not stuck or damaged, as this can prevent proper operation. If these initial checks do not resolve the issue, utilize an OBD-II scanner to scan for any error codes that may indicate specific problems within the cruise control system. Pay close attention to the speed sensors, as they are essential for cruise control functionality; ensure they are operating correctly. Additionally, examine the wiring connections related to the cruise control system for any signs of damage or looseness. If all else fails, test the cruise control module to confirm it is sending signals as intended. Should the problem persist after these steps, it may be time to consult a professional mechanic for further diagnosis. By following this structured approach, you can efficiently identify and address cruise control issues in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2020 Alfa Romeo Giulia?

When the cruise control in your 2020 Alfa Romeo Giulia stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue. One of the primary culprits is a faulty speed sensor, which is essential for the cruise control system to accurately gauge your vehicle's speed. If this sensor malfunctions, the system may fail to engage or maintain the desired speed. Another frequent issue arises from the brake light switch; if this switch is defective, it can inadvertently signal the cruise control to deactivate whenever the brakes are applied, disrupting its operation. Additionally, a malfunctioning throttle actuator can hinder the cruise control's ability to adjust the throttle position, further complicating its functionality. Electrical problems, such as blown fuses or wiring issues, can also prevent the cruise control from working properly, as can software glitches within the vehicle's control module. By identifying these potential issues, you can take the first steps toward troubleshooting and restoring your cruise control system to full functionality.

How urgent is it to address the malfunctioning cruise control in a 2020 Alfa Romeo Giulia?

Addressing a malfunctioning cruise control system in your 2020 Alfa Romeo Giulia is not just a matter of convenience; it is a critical safety concern that requires immediate attention. A malfunction can lead to unexpected acceleration or deceleration, creating hazardous driving conditions that could endanger you and others on the road. Furthermore, ignoring these symptoms can result in decreased fuel efficiency and overall vehicle performance, which can be frustrating and costly over time. By taking prompt action to diagnose and repair the issue, you not only enhance your driving experience but also prevent further damage to the vehicle's systems, potentially saving on more extensive repairs down the line. Therefore, it is essential to prioritize the resolution of cruise control problems to ensure your safety and the longevity of your Alfa Romeo Giulia.

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2020 Alfa Romeo Giulia Cruise Control Issues & Solutions