2020 Dodge Journey AC Isn't Working

Common Causes of AC Malfunctions in Your 2020 Dodge Journey 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 2020 Dodge Journey 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 2020 Dodge Journey?

When your 2020 Dodge Journey's AC isn't functioning, start by checking the thermostat settings to ensure they are correctly adjusted to a cool temperature, as incorrect settings can often be the simplest explanation for the issue. Next, inspect the air filters; dirty or clogged filters can significantly restrict airflow, leading to poor AC performance. If the filters are clean, examine the refrigerant levels, as low refrigerant can cause the system to blow warm air. You can use a pressure gauge for this task or seek professional help if you're unsure. Additionally, look for any visible signs of leaks in the AC system, such as oily residue, which can indicate refrigerant loss. Pay attention to the AC compressor as well; listen for unusual noises and check for any visible damage, as a malfunctioning compressor can hinder cooling. Finally, ensure that all electrical connections related to the AC system are secure and functioning properly, as faulty electrical components can prevent the system from operating effectively. By following these steps, you can effectively diagnose common AC issues in your Dodge Journey and determine whether further professional assistance is needed.

What are the common problems that could cause the AC system to stop working in a 2020 Dodge Journey?

When the AC system in your 2020 Dodge Journey stops functioning, it can be frustrating, especially during hot weather. One of the most frequent culprits is low refrigerant levels, which can occur due to leaks or insufficient charging, preventing the system from cooling effectively. Another common issue is a faulty compressor; if the compressor is not engaging properly, the system 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 refrigerant flow, while leaks can lead to a loss of cooling efficiency. Lastly, a damaged condenser can significantly impact the heat exchange process, resulting in poor cooling performance. By understanding these common problems, DIYers can better diagnose the issue and take appropriate steps to restore their AC system's functionality.

How urgent is it to address the AC failure in a 2020 Dodge Journey?

When it comes to addressing an AC failure in a 2020 Dodge Journey, the urgency cannot be overstated. A malfunctioning air conditioning system can significantly impact the comfort of both the driver and passengers, especially during hot weather or long trips. This discomfort can lead to distractions, which may compromise the driver's focus and overall safety on the road. Moreover, neglecting the issue can result in further damage to the AC system, leading to more extensive repairs and increased costs down the line. Timely intervention not only helps maintain a comfortable driving environment but also protects the vehicle's resale value. A well-functioning AC system is a clear indicator of a well-maintained vehicle, making it more appealing to potential buyers. Therefore, while it may not seem like an immediate emergency, addressing AC failures promptly is crucial for ensuring a safe, comfortable, and valuable driving experience.

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