2017 Ram ProMaster 1500 AC Isn't Working

Common Causes of AC Malfunctions in Your 2017 Ram ProMaster 1500 and How to Fix Them

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Reviewed by
Bo Fader
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 2017 Ram ProMaster 1500 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 2017 Ram ProMaster 1500?

When your 2017 Ram ProMaster 1500's AC isn't functioning, start by checking the thermostat settings to ensure they are correctly adjusted to a cool temperature, as incorrect settings can often be the simplest explanation for the issue. Next, inspect the air filters; dirty or clogged filters can significantly restrict airflow, leading to poor AC performance. If the filters are clean, examine the refrigerant levels, as low refrigerant can result in warm air blowing from the vents. You can use a pressure gauge for this task or seek professional help if you're unsure. Additionally, look for any visible signs of leaks in the AC system, such as oily residue, which can indicate refrigerant loss. Pay attention to the AC compressor as well; listen for unusual noises and check for any visible damage. Finally, ensure that all electrical connections related to the AC system are secure and free from corrosion, as faulty connections can hinder the system's operation. By following these steps, you can effectively diagnose and potentially resolve the AC issues in your vehicle.

What are the common problems that could cause the AC to stop working in a 2017 Ram ProMaster 1500?

When the air conditioning system in a 2017 Ram ProMaster 1500 ceases to function, several common problems may be at play. One of the primary culprits is low refrigerant levels, which can significantly hinder the system's ability to cool the air effectively. If the refrigerant is low, it may indicate a leak that needs to be addressed. Another frequent issue is a faulty compressor; if the compressor is not operating correctly, it can prevent the system from circulating refrigerant, leading to inadequate cooling. Additionally, electrical problems such as blown fuses, malfunctioning relays, or damaged wiring can disrupt the AC's operation, making it essential to check these components. Clogged or leaking refrigerant lines can also impede the flow of refrigerant, further compromising the system's performance. Moreover, a damaged condenser or evaporator can obstruct the cooling process, while a faulty thermostat may fail to regulate the temperature properly, affecting overall AC efficiency. For those looking to tackle these issues themselves, it is crucial to diagnose the problem accurately, as addressing these common failures can restore the AC system's functionality and ensure a comfortable driving experience.

How urgent is it to address the non-functioning AC in a 2017 Ram ProMaster 1500?

Addressing a non-functioning AC in your 2017 Ram ProMaster 1500 is not just a matter of comfort; it is a critical safety concern that should be prioritized. Driving without air conditioning in hot weather can lead to severe discomfort and health risks, such as heat exhaustion or dehydration, which can impair your ability to drive safely. Moreover, a malfunctioning AC system may signal deeper issues within the vehicle's cooling system, potentially leading to engine overheating and significant damage if left unchecked. Additionally, if the AC failure is due to a refrigerant leak, it poses environmental hazards that should not be ignored. Therefore, it is essential to act swiftly to diagnose and repair the AC system, ensuring a safe and comfortable driving experience while protecting your vehicle from further complications.

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