2016 Ram ProMaster 2500 Won't Start

Common Causes for Your 2016 Ram ProMaster 2500 Not Starting and How to Resolve Them

Find Repair Location
Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
38% chance it's the
Battery
0%
27% chance it's the
Alternator
0%
20% chance it's the
Starter
0%
15% chance it's
Something else
The most common reasons a 2016 Ram ProMaster 2500 won't start are a dead battery, an alternator problem, or failed starter.
  • Battery: A weak or failing battery can result in difficulty starting the engine and electrical system malfunctions.
  • Alternator: A failing alternator can result in insufficient electrical power, leading to battery drain and electrical system malfunctions.
  • Starter: A faulty starter motor or a weak battery can prevent the engine from cranking properly, leading to starting issues.
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 a 2016 Ram ProMaster 2500 won't start?

When your 2016 Ram ProMaster 2500 won't start, it's essential to adopt a methodical diagnostic approach to identify the root cause effectively. Begin by checking the battery, as a weak or dead battery is a common culprit; ensure the terminals are clean and securely connected. Next, confirm that there is sufficient fuel in the tank, as low fuel levels can often lead to starting difficulties. Following this, inspect the ignition system, particularly the ignition switch, to ensure it is functioning correctly, as a malfunction here can prevent the engine from starting. Utilizing an OBD-II scanner to check for error codes can provide critical insights into any underlying issues. If these initial checks do not resolve the problem, examine the starter motor to ensure it engages properly, as a faulty starter can hinder the engine from turning over. Lastly, assess the fuel system, ensuring the fuel pump is operational and delivering fuel to the engine. By systematically addressing these areas, you can effectively diagnose and resolve the starting issue with your Ram ProMaster 2500.

What are the common problems that could cause a 2016 Ram ProMaster 2500 to not start?

When your 2016 Ram ProMaster 2500 refuses to start, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the first things to check is the battery; a dead or weak battery is often the culprit, so ensure it is charged and in good condition. If the battery is fine, the next component to inspect is the starter motor, as a malfunction here can prevent the engine from turning over. Additionally, consider the fuel system; a clogged fuel filter or a failing fuel pump can disrupt fuel delivery, leading to starting difficulties. The ignition switch is another critical element; if it’s faulty, turning the key may not engage the starting process. Don’t overlook the spark plugs and ignition coil, as worn plugs or a failing coil can hinder the ignition process. Lastly, check the fuel pump relay and various sensors, such as the crankshaft and camshaft position sensors, as issues with these can also impede starting. By systematically evaluating these components, you can identify and address the root cause of your starting issues, making your DIY repair efforts more effective.

How urgent is it to address the starting issue in a 2016 Ram ProMaster 2500?

When dealing with a starting issue in a 2016 Ram ProMaster 2500, it is crucial to recognize the urgency of the situation. A vehicle that fails to start can leave you stranded, leading to significant inconvenience and potential safety hazards, especially if the problem arises unexpectedly while driving. Moreover, starting issues can often signal deeper mechanical problems that, if left unaddressed, may escalate into more severe damage, resulting in costly repairs. Promptly diagnosing the issue not only enhances your safety but also protects your investment by preventing further deterioration of the vehicle's components. Therefore, if you notice any starting difficulties, it is advisable to take action quickly, whether that means troubleshooting the problem yourself or seeking professional assistance to ensure your vehicle remains reliable and safe on the road.

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 Ram ProMaster 2500 Starting Issues & Fix Guide