2018 Fiat 500X Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2018 Fiat 500X and How to Fix Them

Find Repair Location
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 2018 Fiat 500X 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 2018 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 initial steps to diagnose the non-functioning cruise control in a 2018 Fiat 500X?

When diagnosing the non-functioning cruise control in a 2018 Fiat 500X, it's essential to adopt a systematic approach that starts with the simplest potential issues. Begin by checking the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, inspect the cruise control buttons on the steering wheel to ensure they are not stuck or damaged, as this can prevent proper engagement. Utilizing a diagnostic scanner to look for error codes can provide valuable insights into any underlying electronic issues. Additionally, verify that the brake lights are functioning correctly, since a faulty brake light switch can inhibit the cruise control from activating. Finally, examine the speed sensors for any signs of dirt or damage, as these components are critical for the cruise control system to operate effectively. By following these steps, you can methodically identify the root cause of the cruise control malfunction and take appropriate action to resolve it.

What are the common problems that could cause the cruise control to stop working in a 2018 Fiat 500X?

When dealing with cruise control issues in a 2018 Fiat 500X, it's essential to understand the common problems that may arise. One frequent culprit is a faulty brake pedal switch, which can prevent the cruise control from engaging since it is designed to deactivate when the brake is pressed. Additionally, speed sensor malfunctions can disrupt the system's ability to maintain speed, as accurate readings are crucial for proper operation. A blown fuse in the cruise control circuit can also halt functionality, making it a straightforward fix if identified. Furthermore, issues with the throttle actuator can affect the system's capacity to sustain a set speed, while problems with the Electronic Control Module (ECM) can lead to broader system failures. For those looking to troubleshoot these issues, checking the brake pedal switch, inspecting the speed sensor, and examining fuses are good starting points before seeking professional assistance.

How urgent is it to repair the non-functioning cruise control in a 2018 Fiat 500X?

When evaluating the urgency of repairing the non-functioning cruise control in your 2018 Fiat 500X, it's essential to recognize that while it may not be an immediate safety hazard, the implications of inaction can be significant. A malfunctioning cruise control system can lead to increased driver fatigue and distraction, particularly during long drives, which can compromise safety on the road. Additionally, the convenience of maintaining a steady speed is lost, making your driving experience less enjoyable and more tiring. Furthermore, addressing this issue promptly can help preserve the vehicle's resale value; potential buyers are often wary of unresolved mechanical problems, which could deter them from purchasing your car or lead to lower offers. Therefore, while the repair may not be urgent in the same way as critical safety issues, timely attention to the cruise control system can enhance your driving experience, ensure safety, and protect your investment in the vehicle.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2018 Fiat 500X Cruise Control Issues & Repair Costs