why is my Ford F-150 13th Generation (2015-2020) ignition switch not working

Ford F-150 13th Generation (2015-2020)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

482 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix the ignition switch issue in Ford F-150 13th Generation (2015-2020). Step-by-step guide with symptoms and solutions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to avoid shock or short circuits.

Symptoms

•No response when turning the key to the 'Start' position
•Dashboard lights remain off or flicker
•Engine does not crank or start
•Accessories may work (e.g., radio, lights) but not the ignition
•Key may not turn smoothly in the ignition cylinder

Diagnostic Steps

1
Check the vehicle battery voltage using a multimeter.
2
Inspect the ignition fuse for continuity and replace if blown.
3
Test the ignition relay by swapping with a similar relay in the fuse box.
4
Use an OBD-II scanner to check for any stored trouble codes.
5
Inspect wiring and connections to the ignition switch for damage or corrosion.
6
Verify that the key fob battery is charged if using a push-button start.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Multimeter
•Flathead screwdriver
•Socket set

Parts Required

•Ignition switch (if faulty)

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Diagnostic Steps

1
Check the vehicle battery voltage using a multimeter.
2
Inspect the ignition fuse for continuity and replace if blown.
3
Test the ignition relay by swapping with a similar relay in the fuse box.
4
Use an OBD-II scanner to check for any stored trouble codes.
5
Inspect wiring and connections to the ignition switch for damage or corrosion.
6
Verify that the key fob battery is charged if using a push-button start.

Solution

1. Preparation

Gather tools: flathead screwdriver, multimeter, socket set, and replacement parts as necessary.
Disconnect the negative battery terminal to ensure safety while working on electrical components.

2. Remove Ignition Switch

Access the Ignition Switch:
- Remove the steering column cover by unscrewing the screws and gently prying it apart with a flathead screwdriver.
Disconnect Wiring Harness:
- Locate the wiring harness connected to the ignition switch and carefully disconnect it by pressing the release tab.
Remove Ignition Switch:
- Unscrew the ignition switch mounting screws using a socket set and remove the switch from its mounting location.

3. Inspect and Replace

Inspect the Ignition Switch:
- Examine the ignition switch for signs of wear, damage, or burnt contacts.
Replace if Necessary:
- If damaged, replace with a new ignition switch by aligning it with the mounting holes and securing it with screws.

4. Reassemble

Reconnect Wiring Harness:
- Plug the wiring harness back into the new ignition switch until it clicks into place.
Reinstall Steering Column Cover:
- Reattach the steering column cover by aligning it properly and securing it with screws.

5. Finalize

Reconnect the negative battery terminal and ensure all tools are removed from the vehicle.