2017 Ram ProMaster City AC Isn't Working

Common Causes of AC Failure in Your 2017 Ram ProMaster City 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 2017 Ram ProMaster City 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 City?

When your 2017 Ram ProMaster City's AC isn't functioning, start by checking the AC controls to ensure they are set correctly, as simple misadjustments can often be the culprit. Next, inspect the fuse associated with the AC system; a blown fuse can disrupt operation and is an easy fix. If the controls and fuse are in order, visually inspect the AC system for any signs of leaks, as these can lead to refrigerant loss and cooling issues. Following this, use a gauge to assess the refrigerant level; low levels may indicate a leak or other underlying problems. Additionally, listen for any unusual noises when the AC is activated, as these sounds can signal issues with the compressor or other components. Finally, check if the compressor engages properly when the AC is turned on, as a malfunctioning compressor can severely impact cooling performance. By systematically following these steps, you can effectively diagnose and address the AC issues in your vehicle.

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

When troubleshooting the air conditioning system in a 2017 Ram ProMaster City, it's essential to consider several common problems that could lead to a malfunction. One of the first areas to check is the refrigerant levels; low refrigerant can significantly impair the system's cooling ability. If the refrigerant is adequate, the next step is to inspect the compressor, as a faulty compressor can prevent the AC from functioning altogether. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the system's operation, so examining these components is crucial. Clogged or leaking refrigerant lines can also hinder performance, making it important to look for any visible blockages or leaks. Furthermore, the condenser and evaporator should be assessed for defects, as problems in these areas can severely impact cooling efficiency. Lastly, ensure that the blower motor is functioning correctly, as inadequate airflow can lead to a perception of poor cooling. By systematically checking these components, DIYers can identify and address the issues affecting their AC system, potentially restoring comfort in their vehicle.

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

Addressing a non-functioning AC in a 2017 Ram ProMaster City is crucial for maintaining both comfort and safety while driving. In hot weather, the absence of a functioning air conditioning system can lead to significant discomfort, which may distract the driver and impair their ability to focus on the road. Moreover, prolonged exposure to high temperatures can pose serious health risks, particularly during long trips or in extreme conditions. Additionally, a malfunctioning AC may indicate underlying issues within the vehicle's cooling system, which, if left unresolved, could result in more severe damage and costly repairs down the line. Regular maintenance and prompt repairs not only enhance the driving experience but also extend the lifespan of the vehicle's cooling system. Therefore, while it may not seem like an immediate emergency, the urgency of fixing the AC should not be underestimated, as it plays a vital role in ensuring a safe and enjoyable driving experience.

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2017 Ram ProMaster City AC Not Working: Causes & Solutions