2019 Dodge Durango AC Isn't Working

Common Causes of AC Malfunctions in Your 2019 Dodge Durango and How to Fix Them

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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 2019 Dodge Durango 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 2019 Dodge Durango?

When troubleshooting the AC system in a 2019 Dodge Durango, it's essential to adopt a systematic diagnostic approach that begins with the simplest solutions before progressing to more complex issues. Start by checking the thermostat settings to ensure they are correctly adjusted to a cool temperature, as incorrect settings can often be the culprit behind an unresponsive AC. Next, inspect the air filters; dirty or clogged filters can significantly hinder airflow and cooling efficiency, so replacing them may resolve the issue. If the problem persists, examine the refrigerant levels, as low refrigerant can lead to warm air blowing from the vents. You can use a pressure gauge for this task or seek professional help if needed. Additionally, look for any visible signs of leaks in the AC system, such as oily residue around hoses or connections, which can indicate refrigerant loss. It's also crucial to check the AC compressor to ensure it engages properly when the system is activated, as a malfunctioning compressor can prevent cold air from circulating. Finally, inspect the electrical connections related to the AC system for any loose or damaged wires, as faulty connections can disrupt the system's functionality. By following this structured approach, you can effectively diagnose and address common AC issues in your Dodge Durango.

What are the common problems that could cause the AC to stop working in a 2019 Dodge Durango?

When troubleshooting the air conditioning system in a 2019 Dodge Durango, it's essential to understand the common problems that may lead to a malfunction. One of the primary issues is low refrigerant levels, which can significantly impair the system's ability to cool the air effectively. If the refrigerant is low, it may indicate a leak or that the system has not been properly charged. Another frequent culprit is a faulty compressor; if the compressor is not functioning correctly, it will fail to circulate the refrigerant, resulting in warm air blowing from the vents. Additionally, electrical issues such as blown fuses, malfunctioning relays, or damaged wiring can disrupt the AC's operation, preventing it from turning on or functioning as intended. Clogged or leaking refrigerant lines can also pose a problem, as blockages can restrict the flow of refrigerant, while leaks can lead to a loss of cooling efficiency. Lastly, a damaged condenser can hinder the heat exchange process, further compromising the AC's performance. By identifying and addressing these common issues, you can effectively restore the air conditioning functionality in your Dodge Durango.

How urgent is it to address the AC failure in a 2019 Dodge Durango?

Addressing an AC failure in a 2019 Dodge Durango is crucial for maintaining both comfort and safety while driving. When the AC system malfunctions, it can lead to significant discomfort, particularly during extreme weather conditions, which can distract the driver and impair focus on the road. Moreover, a failing AC system may signal deeper issues within the vehicle's cooling system, potentially resulting in overheating and severe engine damage if left unchecked. By tackling the AC problem early, you not only enhance your driving experience but also mitigate the risk of incurring higher repair costs down the line. Additionally, a malfunctioning AC can diminish the resale value of your vehicle, making it even more important to address the issue promptly. Therefore, for anyone considering a DIY repair, understanding the urgency of fixing an AC failure in a 2019 Dodge Durango is essential to ensure a safe and comfortable driving experience.

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