2020 Subaru Crosstrek AC Isn't Working

Troubleshooting Common AC Issues in Your 2020 Subaru Crosstrek and How to Restore Comfort

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Reviewed by
Andrew Hajjar
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 Subaru Crosstrek 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 steps should I take to diagnose the AC issue in my 2020 Subaru Crosstrek?

When diagnosing the AC issue in your 2020 Subaru Crosstrek, it's crucial to follow a structured diagnostic approach that begins with the simplest checks and progresses to more complex assessments. Start by examining the air filters, as dirty or clogged filters can significantly hinder airflow and reduce the effectiveness of your AC system. Next, check the refrigerant levels; low levels may suggest a leak, which can lead to inadequate cooling. After that, inspect the compressor for any unusual sounds or signs of leakage, since it is vital for the AC's operation. Additionally, ensure the thermostat is functioning properly, as a faulty thermostat can disrupt cooling performance. Keep an eye out for any visible leaks in the AC system, as these can severely impact efficiency. Lastly, assess the electrical components for any potential faults, as issues with wiring can also affect the AC's functionality. By systematically following these steps, you can effectively diagnose and resolve AC issues, ensuring your vehicle maintains optimal cooling performance.

What are the common problems that could cause the AC to stop working in a 2020 Subaru Crosstrek?

When the air conditioning system in your 2020 Subaru Crosstrek 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, leading to inadequate cooling. Another common issue is a faulty compressor; if the compressor is not engaging properly, it will fail to circulate refrigerant, resulting in warm air blowing from the vents. Electrical problems, such as blown fuses or damaged wiring, can also disrupt the AC's operation, preventing it from turning on or functioning correctly. Additionally, clogged or leaking refrigerant lines can hinder the system's performance, as blockages restrict flow and leaks allow refrigerant to escape. Issues with the condenser or evaporator can further complicate matters, as these components are essential for the cooling process. Lastly, a malfunctioning blower motor can lead to insufficient airflow, making it seem like the AC is not working at all. By understanding these common problems, you can better diagnose the issue and determine whether a DIY fix is feasible or if professional assistance is needed.

How urgent is it to repair the non-functioning AC in a 2020 Subaru Crosstrek?

Repairing the non-functioning AC in a 2020 Subaru Crosstrek is an urgent matter that should not be overlooked. The discomfort caused by a malfunctioning AC can significantly affect the driving experience, especially during hot summer months or long road trips, where high temperatures can lead to health risks for occupants. Moreover, the AC system is essential for defogging the windshield in cold or humid conditions, and without it, visibility can be severely compromised, posing a serious safety hazard. Additionally, neglecting AC repairs can diminish the vehicle's resale value, as potential buyers may be wary of investing in a car that requires immediate attention. Furthermore, operating the vehicle with a faulty AC can place undue strain on other mechanical components, potentially leading to more extensive and costly repairs down the line. Therefore, addressing AC issues promptly is crucial not only for immediate comfort and safety but also for the long-term health of your vehicle.

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Common AC Issues in 2020 Subaru Crosstrek | RepairPal