2016 Land Rover Discovery Sport Ac Isn't Working

Common Causes of AC Malfunctions in Your 2016 Land Rover Discovery Sport and How to Fix Them

Find Repair Location
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 2016 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 diagnostic steps to take when the AC isn't working in a 2016 Land Rover Discovery Sport?

When faced with an air conditioning issue in your 2016 Land Rover Discovery Sport, start by checking the electrical connections and components associated with the AC system. Ensure that connections to the blower motor, blower resistor, and blower relay are secure and free from corrosion, as these are common culprits for intermittent failures. Next, inspect the condenser for dirt and debris, as a clean condenser is essential for optimal cooling performance. If the AC is still not functioning properly, verify the refrigerant levels; low levels or leaks can significantly impact the system's ability to cool. Additionally, check the blower motor to confirm it is operational, as a malfunctioning motor can prevent air circulation. Don’t forget to examine the air vents for blockages and ensure that the blend door motors are working correctly, as issues in air distribution can mimic cooling problems. Utilizing diagnostic tools to check for error codes can provide further insights, while a visual inspection for leaks using fluorescent gas and UV light can help pinpoint any refrigerant leaks. Finally, consulting the owner's manual and reviewing the service history can guide you in ensuring that all routine maintenance has been performed and highlight any specific recommendations for your AC system. By systematically following these steps, you can effectively diagnose and address common AC issues in your vehicle.

What are the common problems that could cause the AC to stop working in a 2016 Land Rover Discovery Sport?

When dealing with air conditioning issues in a 2016 Land Rover Discovery Sport, it's essential to understand the common problems that can arise. One of the primary culprits is low refrigerant levels, often caused by leaks in the system. If you notice warm air blowing from the vents, checking for refrigerant leaks should be your first step. Additionally, evaporator leaks can occur, particularly in the cooling coil assembly, which may require inspection for any signs of coolant damage. Electrical issues, such as faulty fuses or relays, can also disrupt the AC's functionality, so ensure these components are in good working order. Furthermore, problems with the AC compressor or condenser can lead to inadequate cooling, making it vital to assess these parts for any signs of failure. Lastly, blockages or clogs in the system, whether in the condenser coils or air filters, can significantly hinder performance. Regular maintenance, including periodic refrigerant recharges, is crucial to prevent these issues from escalating. By being proactive and addressing these common problems, you can keep your AC system running smoothly and efficiently.

How urgent is it to repair the non-functioning air conditioning in a 2016 Land Rover Discovery Sport?

Repairing the non-functioning air conditioning in a 2016 Land Rover Discovery Sport is an urgent matter that should not be overlooked. In regions with extreme heat, such as Phoenix, AZ, a malfunctioning AC system can compromise both driver and passenger comfort, making driving not only uncomfortable but also potentially dangerous. Beyond immediate comfort, the AC issue may indicate more serious underlying problems, such as refrigerant or evaporator leaks, which can lead to costly repairs if left unaddressed. Additionally, if your vehicle is still under warranty, timely repairs are crucial to ensure coverage; delaying could result in significant out-of-pocket expenses once the warranty expires. Ignoring the AC issue can also lead to further damage to the HVAC system, including the compressor, which would increase repair costs and extend the time your vehicle is out of service. Therefore, it is essential to diagnose and repair the AC system promptly to maintain safety, comfort, and vehicle integrity.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2016 Land Rover Discovery Sport AC Issues: Causes & Repairs