2019 Jeep Compass Heater Isn't Working

Common Causes of Heater Issues in Your 2019 Jeep Compass 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 2019 Jeep Compass 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 steps to diagnose why the heater isn't working in a 2019 Jeep Compass?

When diagnosing why the heater isn't working in a 2019 Jeep Compass, it's crucial to follow a methodical diagnostic approach that prioritizes simpler fixes before delving into more complex issues. Begin by checking the thermostat, as a malfunction here can significantly impede the heater's functionality. Next, inspect the coolant level in the radiator; low coolant can lead to inadequate heat production. If these initial checks do not reveal the problem, turn your attention to the heater core, looking for any blockages or leaks that could directly affect heat output. Additionally, assess the blower motor to ensure it is operating correctly and circulating air at the appropriate speed. It's also important to verify that the heater controls on the dashboard are set correctly, as improper settings can hinder the heater's performance. Lastly, check for any leaks in the cooling system that might impact the heater's efficiency. By systematically addressing these components, you can effectively identify and resolve the issues affecting your Jeep Compass's heating system.

What are the common problems that could cause the heater to stop working in a 2019 Jeep Compass?

When troubleshooting a non-functioning heater in a 2019 Jeep Compass, it's essential to consider several common issues that could be at play. First, check the coolant levels, as low coolant can significantly hinder the heating system's ability to generate warmth. If the coolant is adequate, the next step is to inspect the thermostat; a faulty thermostat may not regulate the engine temperature correctly, which can affect the heater's performance. Additionally, examine the heater core for any signs of clogs or leaks, as these can prevent hot air from circulating into the cabin. The blower motor is another critical component; if it fails, hot air won't be distributed inside the vehicle. Lastly, electrical issues such as blown fuses or damaged wiring can disrupt the heater's operation. By systematically checking these areas, DIYers can identify and address the root cause of the heating problem, ensuring a warm and comfortable ride.

How urgent is it to address the non-functioning heater in a 2019 Jeep Compass?

When it comes to a non-functioning heater in your 2019 Jeep Compass, the urgency of addressing the issue cannot be overstated. A malfunctioning heater not only compromises your comfort during cold weather but also poses significant safety risks. Without a working heater, your vehicle's ability to defrost the windshield is severely impaired, which can lead to reduced visibility and increase the likelihood of accidents. Moreover, neglecting this issue can result in further damage to the heating system, potentially leading to more expensive repairs down the line. Components such as the blower motor or thermostat may require immediate attention to maintain the overall functionality of your vehicle. Therefore, it is crucial to prioritize the repair of your heater to ensure a safe and comfortable driving experience, especially in harsh winter conditions.

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