2017 Fiat 500L AC Isn't Working

Common Causes of AC Failure in Your 2017 Fiat 500L and How to Restore Comfort in Your Ride

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a 2017 Fiat 500L AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
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.

What are the initial diagnostic steps to take when the AC isn't working in a 2017 Fiat 500L?

When your 2017 Fiat 500L's AC isn't functioning, start by checking the AC controls to ensure they are set correctly, as simple misadjustments can often be the culprit. Next, inspect the fuses in the fuse box related to the AC system; a blown fuse can easily disrupt operation. If those checks don’t reveal the issue, look for any visible leaks in the AC system, as refrigerant loss can significantly impact performance. Following that, use a gauge to assess the refrigerant levels; low levels may indicate a leak or other underlying problems. Additionally, listen for any unusual noises when the AC is activated, as these sounds can signal issues with the compressor or other components. Finally, verify whether the compressor is engaging when the AC is turned on, as a malfunctioning compressor can prevent cold air from circulating. By systematically following these steps, you can effectively diagnose the AC issues in your Fiat 500L and determine the next course of action.

What are the common problems that could cause the AC system to stop working in a 2017 Fiat 500L?

When the AC system in your 2017 Fiat 500L ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue. One of the primary culprits is low refrigerant levels, which can significantly impair the system's cooling efficiency. If the refrigerant is low, it may indicate a leak that needs to be addressed. Another frequent issue is a faulty compressor; if the compressor is not operating correctly, it will fail to circulate refrigerant, leading to inadequate cooling. Additionally, electrical problems such as blown fuses or damaged wiring can disrupt the AC's operation, making it essential to check these components. Clogged or leaking refrigerant lines can also hinder performance, as blockages prevent proper airflow and leaks result in refrigerant loss. Lastly, a damaged condenser can obstruct heat transfer, further complicating the cooling process. By identifying these common issues, you can take the first steps toward troubleshooting and potentially repairing your AC system, ensuring a comfortable ride in your Fiat 500L.

How urgent is it to address the non-functioning AC in a 2017 Fiat 500L?

When faced with a non-functioning AC in your 2017 Fiat 500L, it is crucial to recognize the urgency of the situation. A malfunctioning AC system can significantly diminish your driving comfort, especially during sweltering summer months or on long journeys. Beyond mere discomfort, the absence of effective climate control can compromise your safety; extreme heat can impair your focus and reaction times, increasing the risk of accidents. Additionally, prolonged exposure to high temperatures inside the vehicle can lead to serious health issues, such as heat exhaustion or dehydration, making it imperative to address the AC problem swiftly. Furthermore, neglecting this issue may lead to more severe complications within the vehicle's cooling system, resulting in costly repairs down the line. Therefore, prioritizing the repair of your AC not only enhances your driving experience but also safeguards your health and the longevity of your vehicle.

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Troubleshooting AC Issues in 2017 Fiat 500L | RepairPal