2017 Alfa Romeo Giulia Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2017 Alfa Romeo Giulia 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 2017 Alfa Romeo Giulia cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
  • Control Module: A faulty control module can result in 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 acceleration and poor engine 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 2017 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 common issues cause cruise control failure in a 2017 Alfa Romeo Giulia?

When troubleshooting cruise control failure in a 2017 Alfa Romeo Giulia, it's essential to consider several common issues that may be at play. One of the primary culprits is a malfunctioning control module, which can disrupt the system's ability to engage properly. Additionally, problems with the throttle actuation can prevent the cruise control from maintaining speed, while a faulty throttle position sensor may cause the engine computer to miscalculate fuel delivery, resulting in black exhaust emissions. Another significant concern is the brake module software, which can lead to difficulties in disabling the adaptive cruise control feature. Furthermore, issues such as contaminated or leaking brake fluid can also impact the overall functionality of the cruise control system. By understanding these potential problems, DIYers can better diagnose and address cruise control failures in their Giulia, ensuring a smoother driving experience.

What are the steps to diagnose the cruise control issue in a 2017 Alfa Romeo Giulia?

To effectively diagnose a cruise control issue in your 2017 Alfa Romeo Giulia, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the control module, as failures here are a common culprit for cruise control malfunctions. Next, examine the sensors and switches associated with the cruise control system to ensure they are functioning properly. If these components check out, verify the throttle actuation, as any irregularities can impact cruise control performance. It’s also wise to consult your owner’s manual for specific troubleshooting guidance tailored to your vehicle. Pay attention to any warning lights or messages that may appear, as these can provide valuable insights into the underlying issue. If necessary, consider performing a proxi alignment, which can sometimes resolve persistent problems. Lastly, don’t forget to check the fuse related to the cruise control system to rule out any electrical issues. By following this structured diagnostic approach, you can efficiently identify and address the root cause of your cruise control problems.

How urgent is it to address the malfunctioning cruise control in a 2017 Alfa Romeo Giulia?

Addressing the malfunctioning cruise control in a 2017 Alfa Romeo Giulia is of utmost urgency due to the serious safety risks it poses. If the cruise control system remains engaged after braking or accelerates unexpectedly, it can lead to a loss of vehicle control, increasing the likelihood of accidents. Moreover, the existence of recalls related to the adaptive cruise control system further underscores the importance of prompt action. Ignoring these symptoms not only jeopardizes your safety but could also result in more extensive and costly repairs down the line. Therefore, it is crucial to diagnose and resolve any issues with the cruise control system as soon as they arise to ensure safe driving conditions and maintain the vehicle's integrity.

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