Kia Soul EV Heater Isn't Working

Common Causes of Heater Issues in Your Kia Soul EV and How to Resolve Them

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Reviewed by
Devin Cabugcal
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 Kia Soul EV 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.

Troubleshooting Heater Issues in a Kia Soul EV

When troubleshooting heater issues in your Kia Soul EV, begin with a clear understanding of the symptoms you are experiencing. This initial step is crucial as it helps you identify whether the problem is related to electrical components, mechanical failures, or the coolant system. Start by checking the vehicle's electrical systems, ensuring that all connections are secure and that the electric fan is functioning properly. If the electrical components appear to be in good condition, shift your focus to the mechanical aspects of the heater. Inspect for any visible signs of wear or damage that could affect performance. Next, examine the coolant system, looking for leaks or blockages that may hinder the flow of coolant to the heater core. Remember, the heater's functionality often relies on a combination of these systems, so a thorough and methodical approach will help you pinpoint the issue more effectively. By following this diagnostic approach, you can systematically address the heater problems in your Kia Soul EV, potentially saving time and repair costs.

What Could Cause the Heater to Malfunction in a Kia Soul EV?

When facing heater malfunctions in a Kia Soul EV, it's essential to understand the common issues that could be at play. One of the primary culprits is a broken heater blower motor, which is responsible for circulating warm air throughout the cabin. If you notice that the air is not blowing or is weak, this component may need inspection or replacement. Another frequent issue is a faulty thermostat, which regulates the engine's temperature and can affect the heater's performance if it fails to open or close properly. Additionally, the heater blower motor resistor can also fail, leading to inconsistent blower speeds or complete inoperability. While these are the most common problems, it's also worth noting that other vehicle systems, such as the sunroof motor or cruise control, can exhibit issues that may indirectly affect the overall functionality of the vehicle. If you're not comfortable diagnosing these issues yourself, consulting a qualified technician is advisable to ensure a thorough and accurate assessment.

Why is the Heater Not Working in a Kia Soul EV?

When your Kia Soul EV's heater is not functioning, it’s crucial to act promptly, as neglecting the issue can lead to more significant problems down the line. Common causes include a malfunctioning heater blower motor, a faulty thermostat, or a defective heater blower motor resistor. Additionally, low coolant levels or air trapped in the cooling system can hinder heater performance, while a clogged heater core or a malfunctioning blend door actuator may also be to blame. It's essential to check the 12v battery connection, as a loose connection can disrupt the heater's operation. Observing the performance of the PTC heater can provide further insights; a significant drop in climate control numbers indicates a potential failure. Addressing these issues not only ensures your comfort but also prevents potential safety risks and costly repairs in the future.

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