2019 Honda Ridgeline AC Isn't Working

Common Causes of AC Malfunctions in Your 2019 Honda Ridgeline 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 2019 Honda Ridgeline 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 steps should I take to diagnose the AC issue in my 2019 Honda Ridgeline?

When diagnosing the AC issue in your 2019 Honda Ridgeline, it's essential to adopt a systematic approach that begins with the simplest checks before moving on to more complex diagnostics. Start by inspecting the air filters, as clogged filters can significantly hinder airflow and affect the overall performance of the AC system. Next, assess the refrigerant levels using a pressure gauge; low levels can lead to inadequate cooling. Pay close attention to the AC compressor, listening for any unusual noises that may indicate a malfunction. Additionally, check for any visible leaks in the system, as refrigerant leaks can result in warm air blowing from the vents. Ensure that the thermostat is functioning correctly, as a faulty thermostat can disrupt cooling efficiency. Finally, inspect the electrical components, including fuses and relays, to confirm they are in good condition and properly connected. By following this diagnostic approach, you can effectively identify the root cause of the AC issue and take the necessary steps for repair.

What are the common problems that could cause the AC system to fail in a 2019 Honda Ridgeline?

When diagnosing AC system issues in a 2019 Honda Ridgeline, it's essential to be aware of several common problems that can arise. One of the primary culprits is refrigerant leaks, which can significantly diminish cooling performance. If you notice a lack of cold air, checking for leaks in the system should be your first step. Additionally, electrical issues can impede the functionality of critical components like the compressor and blower motor, so inspecting the wiring and connections is crucial. The compressor itself is vital for cooling; if it fails, the entire system will be compromised. Another potential issue is a clogged or dirty condenser, which can obstruct airflow and reduce cooling efficiency. Lastly, ensure that the cooling fans are operational, as they play a key role in dissipating heat from the condenser. By understanding these common problems, you can take proactive measures to maintain your AC system and address any issues before they escalate. Regular maintenance and prompt attention to any signs of trouble will help keep your Honda Ridgeline's AC running smoothly.

How urgent is it to address the non-functioning AC in a 2019 Honda Ridgeline?

Addressing a non-functioning AC in your 2019 Honda Ridgeline is crucial for both comfort and safety, particularly during hot weather. Without a working AC, you may experience significant discomfort, which can escalate into health risks, especially in extreme temperatures. Moreover, a malfunctioning AC system could signal deeper issues within the vehicle's cooling system, potentially leading to engine overheating and other serious mechanical problems. Ignoring these symptoms not only compromises your driving experience but can also affect your vehicle's overall performance, including fuel efficiency and engine strain. Additionally, postponing repairs may result in more extensive damage, ultimately leading to higher repair costs down the line. Therefore, it is advisable to inspect and repair the AC system promptly to maintain the vehicle's health and ensure a safe driving environment.

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.