2022 Subaru Legacy AC Isn't Working

Common Causes of AC Malfunctions in Your 2022 Subaru Legacy and How to Fix Them

Find Repair Location
Reviewed by
Aisha
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 2022 Subaru Legacy 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 2022 Subaru Legacy?

When your 2022 Subaru Legacy's AC isn't functioning properly, start by checking the thermostat settings to confirm they are set to a cool temperature, as incorrect settings can often be the simplest explanation for the issue. Next, inspect the air filters; if they are dirty or clogged, replacing them can significantly improve airflow and AC performance. It's also crucial to examine the refrigerant levels, as low levels can lead to warm air blowing from the vents. You can use a pressure gauge for this check, or seek professional help if you're unsure. Additionally, look for any visible signs of leaks in the AC system, such as oily residue around hoses and connections, which can indicate refrigerant loss. Ensure that the AC compressor is engaging when the system is turned on, as a malfunctioning compressor can prevent effective cooling. Finally, test the electrical components, including fuses and relays, to rule out any electrical issues that might be hindering the AC's operation. By systematically addressing these areas, you can effectively diagnose and potentially resolve the AC problem in your Subaru Legacy before considering professional assistance.

What are the common problems that could cause the AC system to stop working in a 2022 Subaru Legacy?

When the AC system in your 2022 Subaru Legacy fails to cool, it’s essential to identify the underlying issues that could be causing the malfunction. One of the most frequent culprits is low refrigerant levels, which can significantly hinder the system's ability to provide cool air. If you suspect this, checking for leaks and recharging the refrigerant may be necessary. Another common problem is a faulty compressor; if the compressor is not engaging, it may need to be replaced or repaired. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the AC's operation, so inspecting these components is crucial. A clogged or leaking condenser can also impede performance, requiring cleaning or replacement to restore functionality. Lastly, ensure that the cooling fans are operational, as broken fans can lead to insufficient airflow and cooling. By systematically checking these areas, you can effectively diagnose and potentially resolve the AC issues in your Subaru Legacy.

How urgent is it to repair the non-functioning AC in a 2022 Subaru Legacy?

Repairing a non-functioning AC in a 2022 Subaru Legacy is an urgent matter that should not be overlooked. The comfort of passengers is significantly compromised without a working AC, especially during sweltering summer months or on long road trips. Moreover, the safety implications are considerable; extreme heat can distract drivers and lead to dangerous situations on the road. Additionally, addressing AC issues promptly is crucial for maintaining the vehicle's resale value, as prospective buyers often prioritize a fully functional climate control system. Ignoring AC problems can also result in further mechanical complications, leading to more extensive and costly repairs in the future. Therefore, it is essential to act quickly to ensure both comfort and safety while preserving the vehicle's overall integrity and value.

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.