2018 Ram ProMaster 2500 Key Won't Turn

Fix Key Won't Turn in Your 2018 Ram ProMaster 2500

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
35% chance it's the
Binding Steering Column/Lock
0%
27% chance it's the
Ignition Switch
0%
20% chance it's the
Ignition Key
0%
18% chance it's
Something else
The most common reasons a 2018 Ram ProMaster 2500 key won't turn are a binding steering column/lock, an ignition switch issue, or a problem with the ignition key.
  • Binding Steering Column/Lock: A binding steering column or lock can occur due to a worn or damaged steering column assembly or issues with the ignition lock mechanism.
  • Ignition Switch: A faulty ignition switch can prevent the engine from starting or cause intermittent electrical issues, affecting the vehicle's ability to run properly.
  • Ignition Key: A worn or damaged ignition key or ignition cylinder can prevent the key from turning, 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 potential causes for the key not turning in the ignition of a 2018 Ram ProMaster 2500?

When faced with the frustrating situation of a key that won't turn in the ignition of your 2018 Ram ProMaster 2500, it's essential to adopt a methodical diagnostic approach. Start by checking the simplest potential cause: the steering wheel lock. Gently wiggle the steering wheel while attempting to turn the key, as this can often resolve the issue if the steering lock is engaged. Next, inspect the key itself for any signs of wear or damage; if it appears compromised, consider having a new key made. If the key is in good condition, turn your attention to the ignition cylinder, as wear or malfunction here can hinder key operation. Additionally, ensure your vehicle's battery is fully charged, as a dead or weak battery can prevent the ignition system from functioning properly. If these steps do not yield results, check that the vehicle is in the correct gear, typically Park or Neutral, as this is a common requirement for the ignition to engage. Lastly, if all else fails, the ignition switch may need to be examined for faults. By following this structured approach, you can effectively diagnose and address the issue with your ignition key.

What are the common problems that could cause the ignition key to not turn in a 2018 Ram ProMaster 2500?

When faced with the frustrating issue of an ignition key that won't turn in a 2018 Ram ProMaster 2500, it's essential to understand the common problems that could be at play. One frequent culprit is the steering wheel lock, which can engage and prevent the key from turning; gently moving the steering wheel while attempting to turn the key may help. Additionally, a worn or damaged key can fail to engage the ignition cylinder properly, so testing a spare key is a good troubleshooting step. If the ignition cylinder itself is faulty or worn, it may require repair or replacement. Another possibility is a dead or low battery, which can hinder the ignition system's functionality, so checking the battery's condition is crucial. Other issues could stem from a faulty ignition switch, debris lodged in the ignition cylinder, or a malfunctioning key tumbler. Lastly, problems within the steering column, such as misalignment, may also prevent the key from turning. By systematically addressing these potential issues, you can effectively diagnose and resolve the problem with your ignition key.

How urgent is it to address the ignition issue in a 2018 Ram ProMaster 2500 when the key won't turn?

Addressing the ignition issue in a 2018 Ram ProMaster 2500 when the key won't turn is of utmost importance due to the potential consequences of neglecting this problem. The inability to start your vehicle can disrupt your daily activities and lead to transportation challenges, making it essential to resolve the issue promptly. Furthermore, if the ignition problem worsens, you risk being stranded in an inconvenient location, which can be both frustrating and unsafe. Additionally, ignition issues may indicate deeper problems within the vehicle's security system or electrical components, posing further safety risks if left unaddressed. Ignoring these symptoms can also result in more extensive damage to the ignition system, leading to costly repairs down the line. Therefore, it is crucial to take immediate action to ensure the functionality and safety of your vehicle.

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