2016 Alfa Romeo 4C Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Alfa Romeo 4C 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 2016 Alfa Romeo 4C 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 2016 Alfa Romeo 4C 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 steps to diagnose the non-functioning cruise control in a 2016 Alfa Romeo 4C?

When diagnosing the non-functioning cruise control in a 2016 Alfa Romeo 4C, start by checking the control module, sensor, and switch, as these components are often the culprits behind cruise control failures. Next, refer to the technical documentation to perform electrical checks, ensuring that all systems are operational. Pay close attention to voltage levels during cruise control tests, as any irregularities may signal a deeper issue. Sometimes, simply disabling and re-enabling the cruise control feature can reset the system and restore functionality. Additionally, inspect the clutch switch to confirm it is correctly positioned and operational, since it is integral to the cruise control circuit. The clutch pedal position and its spring mechanism should also be examined, as improper alignment can hinder cruise control performance. Lastly, don’t overlook the speed sensor; verifying its functionality is crucial, as it directly affects the cruise control system's operation. By systematically following these steps, you can effectively diagnose and potentially resolve the cruise control issues in your Alfa Romeo 4C.

How urgent is it to address the malfunctioning cruise control in a 2016 Alfa Romeo 4C?

When dealing with a malfunctioning cruise control in a 2016 Alfa Romeo 4C, it is crucial to assess the urgency of the issue based on its underlying cause. While cruise control enhances driving comfort, particularly on long trips, ignoring its failure can lead to safety risks and potential vehicle damage. Common culprits such as a faulty cruise control switch, sensor blockages, or issues with the brake pedal switch can compromise your driving experience and safety. If the cruise control stops working suddenly, it is essential to diagnose the problem quickly, as this could indicate a more significant issue that may affect other vehicle systems. Addressing these problems promptly not only ensures a safer driving experience but can also prevent more costly repairs down the line. Therefore, while some fixes may be straightforward, it is advisable to consult with a qualified automotive professional to accurately diagnose and resolve the issue, ensuring your cruise control system operates effectively and safely.

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2016 Alfa Romeo 4C Cruise Control Issues & Repair Costs