2017 Honda Civic AC Isn't Working

Common Causes of AC Failure in Your 2017 Honda Civic and How to Restore Cool Air Flow

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a 2017 Honda Civic AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
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 AC isn't working in a 2017 Honda Civic?

When your 2017 Honda Civic's AC isn't functioning properly, start by checking the thermostat settings to ensure they are correctly adjusted. Sometimes, the simplest solution is just a matter of incorrect settings. Next, inspect the air filters; dirty or clogged filters can significantly hinder airflow, so replacing them can often restore AC performance. It's also crucial to examine the refrigerant levels, as low levels can lead to warm air blowing from the vents. Use a pressure gauge to assess these levels and refill if necessary. Additionally, look for any signs of leaks in the AC system, such as oily residue, which can indicate refrigerant loss. Testing the compressor is another vital step; ensure it engages when the AC is activated, as a malfunctioning compressor may require repair or replacement. Lastly, check the electrical connections, including fuses and relays, as faulty wiring can disrupt AC operation. If these initial steps do not resolve the issue, it may be time to consult a professional mechanic who can conduct a more thorough diagnosis and address any complex problems with the AC system.

What are the common problems that could cause the AC to stop working in a 2017 Honda Civic?

When the air conditioning system in your 2017 Honda Civic stops functioning, it can be frustrating, especially during hot weather. One of the most frequent culprits is low refrigerant levels, which can occur due to leaks or insufficient charging. If the refrigerant is low, the system cannot cool the air effectively, so checking the refrigerant level should be your first step. Another common issue is a faulty compressor; if the compressor is not engaging, the AC will not produce cold air. Electrical problems, such as blown fuses or faulty relays, can also disrupt the AC's operation, so inspecting the electrical components is crucial. Additionally, a clogged or leaking condenser can hinder the cooling process, as it is responsible for dissipating heat from the refrigerant. Lastly, ensure that the cooling fans are operational, as they play a vital role in maintaining the system's efficiency. By understanding these common problems, you can take the necessary steps to diagnose and potentially resolve the AC issues in your Honda Civic.

How urgent is it to repair the non-functioning AC in a 2017 Honda Civic?

Addressing a non-functioning AC in your 2017 Honda Civic should be treated with urgency due to several critical factors. First and foremost, a reliable air conditioning system is essential for maintaining comfort during hot weather, which can significantly enhance your driving experience. Beyond comfort, a malfunctioning AC can pose safety risks; extreme heat can lead to driver distraction and discomfort, potentially compromising your focus on the road. Additionally, keeping your AC in good working order is vital for preserving your vehicle's resale value, as prospective buyers often consider the condition of the AC system when making a purchase decision. Lastly, delaying repairs can lead to more severe issues that may require costly fixes down the line. Therefore, it is advisable to address any AC problems promptly to ensure your vehicle remains safe, comfortable, and valuable.

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