2019 Fiat 500 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2019 Fiat 500 and How to Fix Them

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Reviewed by
Devin Cabugcal
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 Fiat 500 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 Fiat 500 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 steps should I take to diagnose the non-functioning cruise control in my 2019 Fiat 500?

To effectively diagnose the non-functioning cruise control in your 2019 Fiat 500, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box; a blown fuse is an easy fix that can often resolve the issue. Next, examine the cruise control buttons on your steering wheel for any signs of sticking or damage, as these can hinder functionality. If the buttons appear to be in good condition, move on to the speed sensor, which plays a crucial role in maintaining your set speed; ensure it is operating correctly. Additionally, check the brake pedal switch, as this component is designed to disengage the cruise control when the brake is applied. If these initial checks do not reveal the problem, utilize an OBD-II scanner to identify any error codes that may provide insight into the malfunction. Finally, inspect the wiring and connections associated with the cruise control system for any damage or loose connections. By following this structured diagnostic approach, you can efficiently identify and address the root cause of your cruise control issues.

What are the common problems that could cause the cruise control to stop working in a 2019 Fiat 500?

When troubleshooting cruise control issues in a 2019 Fiat 500, it's important to recognize the various common problems that could be causing the malfunction. A faulty brake pedal switch is often a primary suspect, as this component is designed to disengage the cruise control when the brake is pressed; if it fails, the system may not engage at all. Additionally, issues with the speed sensor can lead to inaccurate speed readings, preventing the cruise control from functioning properly. Another area to check is the fuse associated with the cruise control system; a blown fuse can easily disrupt its operation and is a straightforward fix. The cruise control module itself may also be at fault, requiring either repair or replacement to restore functionality. Furthermore, electrical problems, such as damaged wiring or a weak battery, can significantly impact the cruise control's performance, so ensuring that all electrical components are in good working order is essential. Lastly, software glitches within the vehicle's computer system can interfere with cruise control operations, and updating or resetting the software may resolve these issues. By methodically addressing these potential problems, you can effectively troubleshoot and potentially restore the cruise control system in your Fiat 500.

How urgent is it to address the malfunctioning cruise control in a 2019 Fiat 500?

When it comes to a malfunctioning cruise control system in a 2019 Fiat 500, the urgency of addressing the issue cannot be overstated. A malfunctioning cruise control can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which significantly increases the risk of accidents on the road. Ignoring these symptoms not only jeopardizes your safety but also that of other drivers and pedestrians. Moreover, delaying repairs can exacerbate the problem, potentially leading to more extensive damage to the vehicle's electronic systems or mechanical components, resulting in higher repair costs down the line. Therefore, it is crucial to have the cruise control system inspected and repaired by a qualified mechanic as soon as possible to ensure safe driving conditions and maintain the integrity of your vehicle. Taking prompt action not only safeguards your safety but also helps avoid more serious complications in the future.

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