2017 Chevrolet Volt Heater Isn't Working

Common Causes of Heater Issues in Your 2017 Chevrolet Volt and How to Resolve Them

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Reviewed by
Aisha
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 2017 Chevrolet Volt 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 the heater issue in a 2017 Chevrolet Volt?

To effectively diagnose heater issues in your 2017 Chevrolet Volt, begin with the simplest checks before moving on to more complex diagnostics. Start by inspecting the thermostat, as a malfunctioning thermostat can significantly impact heating performance. Next, ensure that the coolant level is adequate, since low coolant can lead to insufficient heat in the cabin. If these initial checks do not reveal the problem, examine the heater core for blockages or damage, as this component is crucial for warm air circulation. Additionally, test the heater controls to confirm they are functioning properly, as faulty controls can prevent the heater from producing hot air. Don’t forget to assess the blower motor, which is responsible for distributing heated air throughout the vehicle; a malfunction here can hinder heating efficiency. Finally, consider using a diagnostic scanner to check for any error codes that may indicate specific issues within the heating system. If these steps do not resolve the problem, it may be time to consult a professional for a more thorough diagnosis. By following this structured approach, you can systematically identify and address heater issues, ensuring your Volt remains comfortable during colder months.

What are the common problems that could cause the heater to stop working in a 2017 Chevrolet Volt?

When your 2017 Chevrolet Volt's heater stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the first areas to check is the thermostat, as a malfunction can prevent the engine from reaching the necessary temperature for the heater to operate. Additionally, inspect the coolant system for leaks, as a loss of coolant can hinder the circulation of warm fluid through the heater core, resulting in cold air blowing into the cabin. If the heater core itself is clogged or damaged, it may not allow hot coolant to flow, which is another critical point to examine. Furthermore, ensure that the blower motor is operational; if it fails, warm air cannot be distributed inside the vehicle. Lastly, consider any electrical issues, such as blown fuses or problems with the control panel, which can also disrupt the heater's functionality. By systematically checking these components, you can identify and potentially resolve the heating issue in your Chevrolet Volt.

How urgent is it to address the non-functioning heater in a 2017 Chevrolet Volt?

When faced with a non-functioning heater in your 2017 Chevrolet Volt, it is crucial to recognize the urgency of the situation. A malfunctioning heater not only compromises your comfort during cold weather but also poses significant safety risks. In freezing temperatures, the inability to heat the cabin can lead to fogged windows, severely impairing visibility and increasing the likelihood of accidents. Moreover, the heater plays a vital role in defrosting windows, which is essential for safe driving in inclement weather. Ignoring this issue could also signal deeper problems within the vehicle's heating system, potentially leading to more extensive and costly repairs down the line. Therefore, addressing the heater's malfunction promptly is essential to ensure a safe and comfortable driving experience.

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