2020 Subaru BRZ AC Isn't Working

Common Causes of AC Issues in Your 2020 Subaru BRZ and How to Restore Cool Airflow

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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 BRZ 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 BRZ?

To effectively diagnose the AC issue in your 2020 Subaru BRZ, start with the simplest checks before moving on to more complex diagnostics. Begin by inspecting the air filters, as dirty or clogged filters can significantly restrict airflow and diminish AC performance. Next, assess the refrigerant levels; low levels can lead to inadequate cooling, and you may need to recharge the system if they are found to be low. Following this, examine the AC compressor to ensure it engages properly when the AC is activated, as a malfunctioning compressor can hinder cooling efficiency. Additionally, look for any visible leaks in the AC system, as these can result in refrigerant loss and poor performance. Testing the thermostat is also crucial, as a faulty thermostat can disrupt the cooling process. Finally, check the electrical components and connections, as issues in this area can lead to AC problems. If these steps do not resolve the issue, it may be time to consult a professional mechanic or AC specialist for further assistance. By systematically following these diagnostic steps, you can identify and potentially resolve the AC issues in your Subaru BRZ.

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

When the air conditioning system in a 2020 Subaru BRZ stops working, several common problems may be at play. One of the primary culprits is low refrigerant levels, which can significantly hinder the system's ability to cool the air effectively. Additionally, a faulty compressor can prevent the AC from producing cold air altogether, as it is responsible for circulating the refrigerant throughout the system. Electrical issues, such as blown fuses or damaged wiring, can also disrupt the operation of the AC, leading to a complete failure. Furthermore, a clogged or leaking condenser can impede the cooling process, while broken cooling fans may result in insufficient airflow, exacerbating the problem. For those looking to tackle these issues themselves, it's crucial to first identify the specific problem, as each requires a different approach for diagnosis and repair. However, due to the complexity of the AC system, consulting a qualified technician is often recommended to ensure proper restoration of functionality.

How urgent is it to address the AC failure in my 2020 Subaru BRZ?

When faced with an AC failure in your 2020 Subaru BRZ, it is crucial to recognize the urgency of the situation. A malfunctioning air conditioning system not only compromises your comfort during extreme weather but can also distract you from focusing on the road, which poses a safety risk. Moreover, the AC system's failure may be a symptom of deeper issues within the vehicle's cooling system, potentially leading to engine overheating and severe damage if left unchecked. By addressing the AC problem promptly, you can prevent further complications and avoid costly repairs in the future. Regular maintenance and timely repairs not only enhance your driving experience but also contribute to the longevity and efficiency of your vehicle. Therefore, taking immediate action on AC failures is essential for your safety, comfort, and the overall health of your Subaru BRZ.

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