2015 Jeep Patriot AC Isn't Working

Common Causes of AC Failure in Your 2015 Jeep Patriot 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 2015 Jeep Patriot 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 2015 Jeep Patriot?

When your 2015 Jeep Patriot's AC isn't functioning, it's essential to adopt a methodical diagnostic approach to identify the root cause. Start by performing the HVAC Pre-Diagnostic Troubleshooting procedure, which sets the foundation for your assessment. Next, inspect for refrigerant leaks, as these are common culprits behind AC failures. If no leaks are found, check for power at the compressor by testing the continuity in the 10" pigtail; this will help determine if the compressor is receiving the necessary electrical signal. Pay attention to any unusual signs, such as the absence of a clicking sound when the AC is activated, which may indicate a power issue. By systematically checking these components, you can effectively narrow down the potential problems and take the necessary steps to restore your AC system's functionality.

What are the common problems that could cause the AC to stop working in a 2015 Jeep Patriot?

When the air conditioning in your 2015 Jeep Patriot stops functioning, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the most frequent culprits is a refrigerant leak, which can prevent the AC from cooling properly. Additionally, issues with the electrical climate control system may disrupt the AC's operation, leading to malfunction. The air conditioning compressor is another critical component; if it fails or malfunctions, the cooling efficiency will be significantly impacted. It's also essential to check the refrigerant levels, as both low and overcharged refrigerant can cause cooling issues. A clogged cabin air filter can restrict airflow, while dirty condenser or evaporator coils can hinder the cooling process altogether. Lastly, if the blower motor is not functioning correctly, it can prevent air from flowing through the vents, further diminishing the AC's performance. By identifying these common problems, you can take the first steps toward diagnosing and potentially fixing the issue yourself, or at least be better prepared when consulting a professional.

How urgent is it to repair the AC in my 2015 Jeep Patriot, considering potential safety risks and further damage?

When it comes to the AC system in your 2015 Jeep Patriot, addressing any issues promptly is crucial for both safety and vehicle integrity. A malfunctioning AC can significantly impair visibility due to fogged windows, especially in challenging weather conditions, which poses a serious safety risk. Additionally, driving without a functioning AC in extreme heat can lead to discomfort and health hazards for you and your passengers. Beyond immediate safety concerns, neglecting AC problems can result in more severe damage over time. Small issues, if left unattended, can escalate into costly repairs, potentially affecting other vital components of your vehicle, such as the engine. Therefore, it is essential to prioritize AC repairs to ensure a safe driving experience and to maintain the longevity of your Jeep Patriot. Regular maintenance and timely interventions can prevent minor issues from becoming major headaches down the road.

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