2018 Dodge Charger Heater Isn't Working

Common Causes of Heater Issues in Your 2018 Dodge Charger 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 2018 Dodge Charger 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 steps should I take to diagnose the heater issue in my 2018 Dodge Charger?

When diagnosing a heater issue in your 2018 Dodge Charger, it's essential to adopt a systematic approach that begins with the simplest checks before progressing to more complex diagnostics. Start by examining the thermostat, as a malfunctioning thermostat can significantly impact your vehicle's heating capabilities. Next, inspect the coolant level; low coolant can lead to inadequate heating, so ensure it is at the proper level. If the coolant is sufficient, look for any leaks in the cooling system, as these can also contribute to heating problems. Following this, take a closer look at the heater core for any clogs or damage, as a compromised heater core can prevent effective heat transfer. Additionally, test the blower motor to confirm it is functioning correctly, as a faulty blower can hinder heat circulation within the cabin. Finally, check the heater controls to ensure they are operating as intended, as issues here can disrupt the entire heating system. By methodically working through these steps, you can effectively identify and address the heater issue in your Charger, ensuring a comfortable driving experience.

What are the common problems that could cause the heater to stop working in a 2018 Dodge Charger?

When troubleshooting a heater that has stopped working in a 2018 Dodge Charger, it's essential to consider several common issues that could be at play. First, check the coolant levels, as low coolant can hinder the system's ability to circulate and heat air effectively. If the coolant is adequate, the next step is to inspect the thermostat; a malfunctioning thermostat can disrupt temperature regulation, leading to heating problems. Additionally, the heater core should be examined for clogs or leaks, as these can obstruct the flow of hot coolant necessary for heating. Another critical component to assess is the blower motor; if it fails, airflow through the vents will be compromised, directly impacting heater performance. Lastly, don't overlook potential electrical issues, such as blown fuses or faulty wiring, which can also prevent the heater from operating. By systematically addressing these areas, you can identify and resolve the issue, ensuring your Dodge Charger’s heating system functions properly.

How urgent is it to address the non-functioning heater in a 2018 Dodge Charger?

When it comes to a non-functioning heater in your 2018 Dodge Charger, addressing the issue should be a top priority. The discomfort of driving in cold weather can be significant, especially in regions that experience harsh winters, making a working heater essential for a pleasant driving experience. Moreover, a functioning heater plays a critical role in defrosting your windshield and windows, ensuring clear visibility during inclement weather. Ignoring this problem not only compromises your comfort but can also lead to safety hazards on the road. Additionally, delaying repairs may result in more severe issues, such as coolant leaks or malfunctioning components, which could escalate repair costs and affect your vehicle's overall performance. Therefore, it is advisable to tackle the non-functioning heater promptly to maintain both your comfort and the integrity of your vehicle.

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2018 Dodge Charger Heater Problems: Diagnosis & Repair Tips