2018 Ford F-150 Key Won't Turn

Essential Troubleshooting Steps to Resolve Ignition Issues with Your 2018 Ford F-150 Key

Find Repair Location
Reviewed by
Bo Fader
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 Ford F-150 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 steps should I take to diagnose why the key won't turn in the ignition of my 2018 Ford F-150?

To effectively diagnose why the key won't turn in the ignition of your 2018 Ford F-150, start with the simplest solutions before moving on to more complex issues. Begin by examining the key itself; a worn or damaged key can easily prevent it from turning in the ignition. Next, check the steering wheel; sometimes, the steering lock can engage, making it difficult to turn the key. While doing this, ensure that the vehicle's battery is functioning properly, as a dead or weak battery can disrupt the ignition system. Additionally, confirm that the gear shift is in the correct position, typically Park or Neutral, since many vehicles have safety features that inhibit key movement if the gear is not set correctly. If these initial checks do not resolve the issue, the problem may lie within the ignition cylinder itself, which could be worn or damaged and may require professional inspection or replacement. By following this diagnostic approach, you can systematically identify and address the issue preventing your key from turning in the ignition.

What are the common problems that could cause the key to not turn in a 2018 Ford F-150?

When facing the frustrating issue of a key not turning in a 2018 Ford F-150, it's essential to understand the common problems that could be at play. One of the first things to check is whether the steering wheel is locked, which can occur if the wheel is turned while the vehicle is off, applying pressure to the ignition cylinder. If this is not the case, consider the condition of the ignition cylinder itself; wear and tear or misalignment can hinder the key's movement. Additionally, inspect the key for any signs of damage or excessive wear, as a compromised key may fail to engage properly. A dead or weak battery can also be a culprit, as insufficient power may prevent the ignition system from functioning correctly. Furthermore, a faulty ignition switch could disrupt the signals necessary for the key to turn. It's also wise to check for any debris or dirt in the ignition cylinder, as this can obstruct the key's path. Lastly, if your F-150 utilizes a key fob, ensure that it is functioning correctly, as a malfunctioning fob can lead to ignition issues. By systematically addressing these potential problems, you can effectively troubleshoot and resolve the key turning issue in your vehicle.

How urgent is it to address the issue of the key not turning in a 2018 Ford F-150?

Addressing the issue of a key not turning in a 2018 Ford F-150 is critical for several reasons. First and foremost, a malfunctioning key can prevent you from starting your vehicle, leading to significant delays and potential disruptions in your daily routine. This inconvenience can escalate into a more serious problem if you find yourself stranded, especially in unfamiliar or unsafe locations. Moreover, a key that fails to turn may indicate deeper issues within the ignition system or the key mechanism itself, which could worsen over time if left unaddressed. Ignoring this symptom not only risks further damage but also raises safety concerns, as it may signal a security flaw that could make your vehicle vulnerable to theft. Therefore, it is essential to take immediate action to diagnose and resolve the problem, ensuring both the functionality and safety of your Ford F-150.

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.

2018 Ford F-150 Key Won't Turn: Causes & Solutions