2019 Subaru BRZ AC Isn't Working

Common Causes of AC Malfunctions in Your 2019 Subaru BRZ 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 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 2019 Subaru BRZ?

When diagnosing the AC issue in your 2019 Subaru BRZ, it's essential to adopt a systematic diagnostic approach that prioritizes simpler checks before delving into more complex assessments. Start by inspecting the air filters, as clogged filters can significantly hinder airflow and cooling efficiency. Next, verify the refrigerant levels; low levels can lead to inadequate cooling, so ensuring they are within the recommended range is crucial. Following this, examine the AC compressor for any signs of damage or wear, as a malfunctioning compressor can severely impact performance. Additionally, test the thermostat to confirm it is operating correctly, since a faulty thermostat can cause erratic cooling. It's also important to look for any leaks in the AC system, particularly in hoses and connections, as these can lead to refrigerant loss. Finally, check the electrical components related to the AC system, including fuses and relays, to ensure they are functioning properly. If these steps do not resolve the issue, consulting a professional mechanic or AC technician is advisable for a thorough diagnosis and repair. By following this structured approach, you can effectively identify and address the AC problems in your Subaru BRZ.

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

When troubleshooting the air conditioning system in a 2019 Subaru BRZ, it's essential to understand the common problems that could lead to a malfunction. One of the primary issues is low refrigerant levels, which can significantly hinder the system's ability to cool the air effectively. If the refrigerant is low, it may indicate a leak somewhere in the system that needs to be addressed. Another potential culprit is a faulty compressor; if the compressor isn't functioning correctly, it won't circulate the refrigerant, resulting in inadequate cooling. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the AC's operation, making it crucial to inspect these components. A clogged or leaking condenser can also impede the cooling process, as it plays a vital role in dissipating heat from the refrigerant. Lastly, ensure that the cooling fans are operational, as broken fans can lead to poor airflow and reduced AC performance. By systematically checking these common problems, you can effectively diagnose and potentially resolve the AC issues in your Subaru BRZ.

How urgent is it to address the AC failure in my 2019 Subaru BRZ?

Addressing the AC failure in your 2019 Subaru BRZ is crucial for several reasons. First and foremost, a functioning air conditioning system is essential for maintaining comfort during drives, particularly in hot weather. Without it, you may find yourself distracted by discomfort, which can compromise your focus on the road. Additionally, the safety implications cannot be overlooked; extreme heat can lead to dangerous conditions inside the vehicle, increasing the risk of heat-related illnesses for you and your passengers. Promptly fixing the AC not only enhances your driving experience but also safeguards your health. Furthermore, neglecting AC issues can lead to more severe problems that may require costly repairs down the line, making early intervention a wise choice for preventive maintenance. Lastly, keeping your vehicle in optimal condition, including the AC system, is vital for preserving its resale value. A well-maintained car is more appealing to potential buyers, ensuring you get the best return on your investment. Therefore, while it may not seem like an emergency, addressing AC failure in your Subaru BRZ should be a priority to ensure comfort, safety, and long-term value.

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2019 Subaru BRZ AC Not Working: Common Issues & Repairs