2019 Mitsubishi Eclipse Cross AC Isn't Working

Common Causes of AC Malfunctions in Your 2019 Mitsubishi Eclipse Cross and How to Fix Them

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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 2019 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 steps to diagnose the AC issue in a 2019 Mitsubishi Eclipse Cross?

To diagnose the AC issue in your 2019 Mitsubishi Eclipse Cross, start with the simplest checks to avoid unnecessary repairs. Begin by inspecting the cabin and engine air filters; clean or replace them if they are clogged, as this can significantly impact airflow and cooling efficiency. Next, assess the refrigerant levels using a gauge; low levels may indicate a leak that needs addressing. Examine the AC compressor for any visible signs of damage or wear, as a malfunctioning compressor can severely affect cooling performance. Ensure that the AC controls are functioning properly, as issues here can prevent the system from operating correctly. Look for any visible leaks around the AC components, which can manifest as oily residue. Additionally, check the electrical system, including fuses and relays, to confirm they are in good working order. Finally, perform a system pressure test to evaluate the high and low-pressure sides of the AC system; any deviations from normal pressure levels can signal deeper issues. By following this structured diagnostic approach, you can effectively identify the root cause of your AC problems and take the necessary steps to restore comfort in your vehicle.

What are the common problems that could cause the AC system to stop working in a 2019 Mitsubishi Eclipse Cross?

When troubleshooting the AC system in a 2019 Mitsubishi Eclipse Cross, it's essential to understand the common problems that may lead to its failure. One of the primary issues is low refrigerant levels, which can significantly hinder the system's ability to cool the air effectively. If the refrigerant is low, it may indicate a leak that needs to be addressed. Another frequent culprit is a faulty compressor; if the compressor isn't functioning properly, it won't circulate the refrigerant, resulting in inadequate cooling. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the AC's operation, making it crucial to inspect these components. A clogged or leaking condenser can also impede performance, as it plays a vital role in dissipating heat from the refrigerant. Lastly, a malfunctioning blower motor can lead to poor airflow from the vents, further diminishing the cooling effect. By identifying and addressing these common problems, DIY enthusiasts can effectively diagnose and potentially resolve AC issues in their Mitsubishi Eclipse Cross.

How urgent is it to repair the non-functioning AC in a 2019 Mitsubishi Eclipse Cross?

When faced with a non-functioning AC in your 2019 Mitsubishi Eclipse Cross, the urgency to repair it cannot be overstated. The discomfort caused by a malfunctioning AC system can significantly detract from your driving experience, especially during sweltering summer months or on long journeys. Moreover, the safety implications are critical; without proper cooling, windows may fog up, obstructing visibility and increasing the risk of accidents. Additionally, neglecting the AC can lead to mechanical strain on other vehicle components, potentially resulting in more extensive and costly repairs in the future. Lastly, maintaining a fully operational AC system is essential for preserving your vehicle's resale value, as prospective buyers often prioritize a well-maintained car. Therefore, addressing the AC issue promptly is not just about comfort; it’s a crucial step in ensuring safety, preventing further damage, and protecting your investment.

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