2015 Tesla S AC Isn't Working

Common Causes of AC Issues in Your 2015 Tesla S and How to Restore Comfort in Your Vehicle

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 2015 Tesla S 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 are the initial diagnostic steps to take when the AC isn't working in a 2015 Tesla S?

When your 2015 Tesla S air conditioning system fails to operate, the first step is to check for common issues that could be affecting its performance. Start by inspecting for any refrigerant leaks, as this is a frequent culprit in AC malfunctions. Next, ensure that the inner loop of the air conditioning system is activated; look for the blue button with the inner loop icon and make sure it is enabled. After confirming these basic settings, review the AC configuration on your vehicle's display to ensure everything is set correctly. If the AC still isn't functioning, consider the possibility of electronic or software-related issues, especially if the problem arose after a firmware update. A simple soft reboot or hard reset of the system may restore functionality. Lastly, check if the cabin overheat protection feature is limiting the AC's cooling capacity, as this can significantly impact performance. By systematically addressing these areas, you can effectively diagnose and potentially resolve the AC issue in your Tesla S before seeking professional help.

What are the common problems that could cause the AC system to stop working in a 2015 Tesla S?

When it comes to diagnosing AC issues in a 2015 Tesla Model S, several common problems may arise that you can address on your own. One of the primary culprits is a refrigerant leak, which can prevent the system from blowing cold air, signaling a need for repair. Additionally, electrical climate control issues can disrupt the AC's functionality, so checking the wiring and connections is essential. The air conditioning compressor is another critical component; if it malfunctions, the entire system may fail to operate. Software glitches can also play a role, as the advanced software in Tesla vehicles can sometimes experience hiccups. Regularly updating your vehicle's software can mitigate this risk. Lastly, it's important to verify that the climate control settings are correctly configured, as incorrect settings can lead to perceived AC failures. By understanding these common problems, you can take proactive steps to troubleshoot and potentially resolve AC issues in your Tesla Model S.

How urgent is it to repair the non-functioning AC in a 2015 Tesla S?

Addressing the non-functioning AC in your 2015 Tesla Model S is crucial for maintaining both comfort and safety while driving. A malfunctioning air conditioning system can lead to an uncomfortable cabin environment, particularly during extreme temperatures, which can distract you from the road and impair your driving experience. Moreover, neglecting AC issues can result in more significant problems down the line, such as damage to the compressor or other components, leading to costly repairs. Before reaching out to Tesla technicians, consider trying some DIY troubleshooting methods to identify and possibly resolve the issue yourself. This proactive approach not only saves you time and money but also ensures that you can enjoy a comfortable ride without unnecessary delays. Therefore, it is advisable to address any AC problems promptly to enhance your driving experience and prevent further complications.

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.

AC Failure Causes in a 2015 Tesla Model S