2020 Mitsubishi Eclipse Cross AC Isn't Working

Troubleshooting Common AC Issues in Your 2020 Mitsubishi Eclipse Cross and How to Restore Comfort

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Reviewed by
Bo Fader
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 2020 Mitsubishi Eclipse Cross 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 2020 Mitsubishi Eclipse Cross?

When troubleshooting the air conditioning system in your 2020 Mitsubishi Eclipse Cross, it's essential to adopt a systematic diagnostic approach. Start by checking the thermostat settings to ensure they are correctly configured, as incorrect settings can often lead to perceived AC failures. Next, inspect the air filters; dirty or clogged filters can significantly restrict airflow, impacting the system's efficiency. If airflow seems adequate, examine the refrigerant levels using a pressure gauge, as low refrigerant can result in warm air blowing from the vents. Additionally, look for any signs of leaks around the AC components, as these can lead to refrigerant loss and diminished cooling performance. Testing the compressor is also crucial; ensure it engages when the AC is activated, as a malfunctioning compressor may require repair or replacement. Finally, inspect the electrical connections associated with the AC system for any signs of corrosion or looseness, as faulty connections can hinder operation. By following this structured approach, you can effectively diagnose and address common issues with your vehicle's AC system.

What are the common problems that could cause the AC to stop working in a 2020 Mitsubishi Eclipse Cross?

When the air conditioning system in your 2020 Mitsubishi Eclipse Cross fails to cool, it can be frustrating, but understanding the common problems can help you diagnose the issue. One of the primary culprits is low refrigerant levels, which can occur due to leaks or insufficient charging, leading to inadequate cooling. Another frequent issue is a faulty compressor; if the compressor is not functioning properly, it cannot circulate the refrigerant effectively, resulting in warm air blowing from the vents. Additionally, electrical problems, such as blown fuses or damaged wiring, can disrupt the AC's operation, preventing it from turning on or functioning correctly. Clogged or leaking refrigerant lines can also hinder performance, as blockages restrict the flow of refrigerant, while leaks can lead to a loss of pressure. Lastly, a defective condenser can impede the cooling process, as it is responsible for dissipating heat from the refrigerant. By identifying these common problems, you can take the first steps toward troubleshooting and potentially resolving the AC issues in your Mitsubishi Eclipse Cross.

How urgent is it to address the non-functioning AC in a 2020 Mitsubishi Eclipse Cross?

Addressing a non-functioning AC in your 2020 Mitsubishi Eclipse Cross is crucial for several reasons. First and foremost, a malfunctioning air conditioning system can lead to significant discomfort, especially during the sweltering summer months. This discomfort can distract you from driving, increasing the risk of accidents. Moreover, a faulty AC may indicate deeper issues within the vehicle's cooling system or electrical components, which could escalate into more severe problems if left unattended. Promptly addressing the AC issue not only enhances your driving comfort but also helps maintain visibility by ensuring the system can effectively defog your windshield in humid conditions. Additionally, timely repairs can prevent further damage to the AC system, ultimately saving you money on more extensive repairs down the line. Therefore, it is advisable to prioritize the repair of your AC system to ensure a safe and pleasant driving experience.

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