2016 Fiat 500L Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Fiat 500L 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 Fiat 500L 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 2016 Fiat 500L 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.

What are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 2016 Fiat 500L?

When troubleshooting a non-functional cruise control in a 2016 Fiat 500L, begin by ensuring that the cruise control is properly engaged. Check the cruise control switch on the steering wheel to confirm it is turned on and set to the correct mode. Next, observe the dashboard warning lights; the cruise control indicator should illuminate when the system is engaged. It's also essential to verify that you are driving at a speed that allows cruise control activation, typically above 25-30 mph. If the system still does not engage, inspect the vehicle's speed sensor and brake system, as malfunctions in these areas can hinder cruise control functionality. Additionally, consider any aftermarket devices that may interfere with the system and disconnect them if necessary. If the problem persists, consult the Owner's Manual for specific troubleshooting guidance, and if all else fails, seek professional assistance from an authorized Fiat dealer to diagnose any underlying electronic issues. By following this structured approach, you can effectively identify and address common problems with the cruise control system in your Fiat 500L.

What are the common problems that could cause the cruise control to stop working in a 2016 Fiat 500L?

When troubleshooting cruise control issues in a 2016 Fiat 500L, it's essential to consider several common problems that could be at play. A blown fuse is often the simplest culprit; checking the dedicated fuse for the cruise control system is a good first step. If the fuse is intact, the brake pedal switch should be examined, as a malfunction here can falsely signal that the brakes are engaged, disabling the cruise control. Additionally, the speed sensor plays a critical role in the system's functionality; if it fails, you may also notice speedometer inaccuracies. Problems with ABS or wheel speed sensors can similarly disrupt cruise control, as these components monitor tire speed. Another potential issue is a damaged clock spring in the steering column, which can interfere with the communication between the steering wheel and the vehicle's computer. In some cases, older models may have a vacuum actuator or cable that could be damaged, affecting the cruise control's operation. Lastly, it's wise to check for any faults in the electronic control unit (ECU) by scanning for trouble codes, as these can reveal underlying issues with the vehicle's electronic systems. By systematically addressing these areas, you can effectively diagnose and resolve the cruise control malfunction in your Fiat 500L.

How urgent is it to address the malfunctioning cruise control in a 2016 Fiat 500L?

When dealing with a malfunctioning cruise control in a 2016 Fiat 500L, it's crucial to understand the implications of this issue beyond mere inconvenience. While the cruise control system itself may not pose an immediate safety threat, its failure can be indicative of deeper mechanical problems that warrant attention. For instance, issues with the ABS or traction control systems can arise, which are essential for maintaining safe braking and handling. Therefore, addressing the malfunction promptly is advisable to prevent potential safety risks and avoid more costly repairs in the future. For those inclined to tackle this issue themselves, a good starting point is to utilize an OBD-II scanner to check for any diagnostic trouble codes that could shed light on the underlying problems. Additionally, inspecting components such as the brake light switch and wheel speed sensors can help identify any faults that may be contributing to the cruise control malfunction. By taking these proactive steps, DIY enthusiasts can ensure their vehicle remains both comfortable and safe for driving.

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