2020 Land Rover Range Rover Sport AC Isn't Working

Common Causes of AC Malfunctions in Your 2020 Land Rover Range Rover 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 Range Rover 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 short circuit in the wiring can disrupt the electrical signals needed for proper operation of 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 steps should I take to diagnose the AC issue in my 2020 Land Rover Range Rover Sport?

When diagnosing the AC issue in your 2020 Land Rover Range Rover Sport, it's essential to adopt a systematic approach that begins with the simplest checks before moving on to more complex diagnostics. Start by assessing the airflow from your vents; weak airflow can indicate underlying problems. If you notice a decrease in airflow, this could be a sign of a clogged pollen filter, which is an easy fix and should be checked first. Next, inspect for any refrigerant leaks, as these are common in Range Rovers. You can do this by adding a fluorescent dye to the AC system and using a UV light to spot any leaks. If the airflow and refrigerant levels seem fine, turn your attention to the compressor. Ensure it is receiving power when the AC is activated; a malfunctioning compressor can severely impact your system's performance. By following this diagnostic approach, you can effectively identify and address the AC issues in your vehicle, ensuring a comfortable driving experience.

What common issues cause AC failure in a 2020 Land Rover Range Rover Sport?

When diagnosing AC failure in a 2020 Land Rover Range Rover Sport, it's essential to consider several common problems that could be affecting the system. One of the most frequent culprits is a refrigerant leak, which can significantly hinder the cooling performance of your AC. Additionally, issues with the electrical climate control system may prevent the AC from functioning correctly, leading to hot air blowing from the vents. Another critical component to inspect is the air conditioning compressor; if it malfunctions, the entire system may fail to cool effectively. Other potential issues include low or overcharged refrigerant levels, a clogged cabin air filter, dirty condenser or evaporator coils, and a sluggish blower motor. Lastly, don't overlook the possibility of a bad fuse or relay, as these can also disrupt the AC's operation. By systematically checking these components, you can identify and address the root cause of your AC problems, ensuring a comfortable driving experience.

How urgent is the AC issue in my 2020 Land Rover Range Rover Sport?

When it comes to the AC system in your 2020 Land Rover Range Rover Sport, understanding the urgency of any issues is crucial for both your comfort and the vehicle's overall performance. If you notice a refrigerant leak, it’s essential to act quickly, as this can lead to inadequate cooling and may indicate a more significant problem that could escalate if left unaddressed. Common culprits such as dirty cabin air filters or clogged components can also hinder the AC's efficiency, making it vital to inspect these elements regularly. Additionally, if you hear a high-pitched noise when the AC is running, this could signal a malfunction that, if ignored, might result in costly repairs down the line. While some AC problems may seem minor, neglecting them can lead to more severe issues that compromise your driving experience and safety. Therefore, it’s advisable to prioritize timely inspections and repairs by a qualified technician to ensure your AC system operates at its best, keeping you comfortable and your vehicle in optimal condition.

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