2020 Land Rover Discovery Sport AC Isn't Working

Common Causes of AC Malfunctions in Your 2020 Land Rover Discovery Sport and How to Fix Them

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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 2020 Land Rover Discovery Sport 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 steps to diagnose the AC issue in a 2020 Land Rover Discovery Sport?

When diagnosing an AC issue in a 2020 Land Rover Discovery Sport, start with the simplest checks to avoid unnecessary complications. Begin by inspecting the air filters; clean or replace them if they appear dirty, as this can significantly improve airflow and AC performance. Next, verify the refrigerant levels in the system, as low refrigerant can lead to inadequate cooling. If the levels are low, it may indicate a leak that needs addressing. Following this, examine the AC compressor for any visible signs of damage or wear, as a malfunctioning compressor can hinder the entire system's operation. Additionally, test the thermostat to ensure it is accurately regulating the temperature; a faulty thermostat can disrupt the cooling process. Finally, conduct a thorough inspection for any leaks in the AC system, as these can lead to refrigerant loss and diminished cooling efficiency. By systematically following these steps, you can effectively diagnose and potentially resolve AC issues in your vehicle.

What are the common problems that could cause the AC system to fail in a 2020 Land Rover Discovery Sport?

When dealing with the AC system in a 2020 Land Rover Discovery Sport, it's crucial to be aware of several common problems that can lead to system failure. One of the primary issues is refrigerant leaks, which can significantly diminish cooling performance. If you notice a lack of cool air, checking for leaks in the refrigerant lines should be your first step. Additionally, electrical issues can arise, particularly with components like the compressor or blower motor, which may prevent the AC from functioning correctly. A failing compressor is another critical concern, as it is essential for the system's operation; if it malfunctions, the air conditioning will struggle to cool effectively. Furthermore, a clogged or dirty condenser can obstruct airflow, leading to inadequate cooling. It's also important to consider the thermostat, as a faulty unit can disrupt temperature regulation within the cabin. Lastly, blower motor problems can result in weak airflow or no air at all from the vents. By understanding these common issues, DIYers can take proactive measures to troubleshoot and maintain the AC system, ensuring a comfortable driving experience.

How urgent is it to repair the non-functioning AC in a 2020 Land Rover Discovery Sport?

Addressing a non-functioning AC in your 2020 Land Rover Discovery Sport is not just a matter of comfort; it is a crucial aspect of vehicle maintenance that should not be overlooked. The urgency of repairing your AC system stems from the immediate discomfort it can cause during hot weather, which can distract you from driving and compromise your safety on the road. Additionally, a malfunctioning AC can lead to more severe issues if left unattended, potentially resulting in costly repairs that could have been avoided. Furthermore, maintaining a fully operational AC system is essential for preserving the resale value of your vehicle, as prospective buyers often consider the condition of the AC when making a purchase decision. Therefore, it is advisable to address any AC issues promptly to ensure a safe, comfortable, and valuable driving experience.

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