2022 Subaru Forester Heater Isn't Working

Common Causes of Heater Malfunctions in Your 2022 Subaru Forester and How to Resolve Them

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
31% chance it's the
Heater Blower Motor
0%
18% chance it's the
Heater Blower Motor Resistor
0%
51% chance it's
Something else
The most common reasons a 2022 Subaru Forester heater isn't working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
  • Heater Blower Motor: A faulty heater blower motor can result in inadequate airflow or no air circulation in the cabin, affecting the heating system's performance.
  • Heater Blower Motor Resistor: A faulty heater blower motor resistor can cause inconsistent fan speeds or complete failure of the blower motor.
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 heater isn't working in a 2022 Subaru Forester?

When your 2022 Subaru Forester's heater isn't functioning, start by checking the thermostat to ensure it's set correctly and operating as it should, as a malfunction here can significantly impact heating. Next, inspect the coolant level in the radiator; low coolant can lead to inadequate heating performance. If the coolant level is fine, examine the heater core for any clogs or leaks that might be obstructing hot coolant flow. Additionally, assess the blower motor to confirm it's working properly, as a faulty motor can prevent warm air from circulating into the cabin. Don't forget to check the heater controls for any issues with the control panel or knobs, as these can affect your ability to adjust the temperature. Lastly, consider bleeding the cooling system to remove any air pockets that could hinder coolant circulation. By systematically following these steps, you can effectively diagnose and address the heating issue in your Subaru Forester.

What are the common problems that could cause the heater to stop working in a 2022 Subaru Forester?

When your heater stops working in a 2022 Subaru Forester, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the first things to check is the coolant level; low coolant can hinder the heating system's ability to circulate warm air. If the coolant is adequate, the next step is to inspect the thermostat, as a malfunctioning thermostat can disrupt temperature regulation and prevent the heater from functioning properly. Additionally, consider the heater core, which can develop clogs or leaks, leading to insufficient heat generation. If the heater core appears to be in good condition, the blower motor should be examined, as a failure here will stop hot air from being distributed into the cabin. Lastly, don't overlook potential electrical issues, such as blown fuses or wiring problems, which can also affect the heater's performance. By systematically checking these components, you can identify and resolve the issue, ensuring your Subaru Forester's heating system operates efficiently.

How urgent is it to address the non-functioning heater in a 2022 Subaru Forester?

Addressing a non-functioning heater in your 2022 Subaru Forester is not just a matter of comfort; it is a pressing safety concern that should be prioritized. In cold weather, a working heater is essential for maintaining a warm cabin, which is crucial for both driver and passenger comfort. Moreover, the heater is integral to defrosting your windshield and windows, ensuring clear visibility and safe driving conditions. Neglecting this issue can lead to serious safety risks, such as frostbite or hypothermia, particularly during extreme weather. Additionally, ignoring the heater's malfunction could result in more significant mechanical problems within the heating system, potentially leading to costly repairs down the line. Therefore, it is vital to address any heater issues promptly to maintain a safe and comfortable driving experience.

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2022 Subaru Forester Heater Problems: Causes & Solutions