2016 Fiat 500X Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Fiat 500X 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 500X 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 Fiat 500X 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 steps to diagnose the cruise control issue in a 2016 Fiat 500X?

To effectively diagnose a cruise control issue in a 2016 Fiat 500X, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the control module, sensor, and switch, as these components are frequently the culprits behind cruise control malfunctions. Next, assess the throttle actuation, since any irregularities here can directly impact the cruise control system's performance. It's also essential to test the cruise control at various speeds; if it disengages at higher speeds or during extended use, this could signal a deeper issue. Pay close attention to the system's behavior when driving uphill, as consistent disengagement in this scenario may indicate a specific problem. Additionally, consider external factors like inclines and wind resistance that might cause the system to turn off for safety. Finally, don't overlook the cruise control button on the steering wheel; ensure it is free from dirt or damage, as obstructions can hinder its functionality. By following this structured diagnostic approach, you can identify and address the underlying issues affecting the cruise control in your Fiat 500X.

What common issues cause cruise control failure in a 2016 Fiat 500X?

When dealing with cruise control failure in a 2016 Fiat 500X, several common problems may be at play. One of the primary culprits is a malfunctioning control module, which can disrupt the entire cruise control system. Additionally, issues with the throttle actuation or a faulty throttle position sensor can lead to improper engine responses, often resulting in excessive fuel consumption and black exhaust emissions. It's also crucial to check the vehicle's electrical components; a blown fuse can interrupt power to essential parts like the cruise control switch and the Vehicle Speed Sensor (VSS). Furthermore, a defective brake light switch can inadvertently disable the cruise control, as the system relies on accurate brake signals to function safely. Lastly, any engine-related problems that trigger the check engine light can also impact cruise control performance. Addressing these issues promptly not only restores functionality but also enhances overall driving safety and efficiency.

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

When dealing with a malfunctioning cruise control in a 2016 Fiat 500X, understanding the urgency of the situation is crucial for both safety and vehicle performance. A malfunctioning cruise control system can lead to unexpected speed changes, which is particularly dangerous on highways where maintaining a consistent speed is essential for safe driving. If the system disengages at high speeds or during acceleration, it not only creates inconvenience but also increases the risk of accidents, especially on steep inclines or during overtaking maneuvers. While a temporary fix, such as resetting the system by turning off the ignition, may provide short-term relief, it does not address the underlying issue. Common causes of cruise control failure, such as faulty sensors, control modules, or brake switches, can escalate if left unchecked, potentially leading to more significant damage and costly repairs. Therefore, it is imperative to diagnose and resolve these issues promptly to ensure a safer driving experience and to prevent further complications down the line. Taking proactive steps to address cruise control malfunctions not only enhances your safety but also contributes to the overall reliability of your vehicle.

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