how to fix the key fob not working with my Ford Explorer

Ford Explorer Sixth Generation (2020-present)

Error Codes

30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

424 words

Problem Statement

Learn how to diagnose and fix a non-working key fob for your Ford Explorer. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure that the vehicle is in a safe location before performing any key fob repairs or diagnostics.

Symptoms

•Key fob buttons do not respond when pressed
•Vehicle does not unlock or lock when key fob is activated
•No LED light illumination on the key fob when buttons are pressed
•Intermittent functionality of key fob (works sporadically)
•Difficulty starting the vehicle (if equipped with push-button start)

Diagnostic Steps

1
Check the battery level of the key fob and replace if necessary.
2
Inspect the key fob for physical damage or water exposure.
3
Use an OBD-II scanner to check for any related error codes in the vehicle's system.
4
Test the key fob in proximity to the vehicle to rule out distance issues.
5
Reprogram the key fob to the vehicle if necessary.

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

•Flat-head screwdriver
•Small Phillips screwdriver
•OBD-II scanner

Parts Required

•Replacement battery (CR2032)

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Symptoms

•Key fob buttons do not respond when pressed

•Vehicle does not unlock or lock when key fob is activated

•No LED light illumination on the key fob when buttons are pressed

•Intermittent functionality of key fob (works sporadically)

•Difficulty starting the vehicle (if equipped with push-button start)

Diagnostic Steps

1
Check the battery level of the key fob and replace if necessary.
2
Inspect the key fob for physical damage or water exposure.
3
Use an OBD-II scanner to check for any related error codes in the vehicle's system.
4
Test the key fob in proximity to the vehicle to rule out distance issues.
5
Reprogram the key fob to the vehicle if necessary.

Solution

1. Battery Replacement

Tools Required: Flat-head screwdriver, small Phillips screwdriver
Sub-steps:
1. Use the flat-head screwdriver to gently pry open the key fob casing.
2. Remove the old battery, taking note of the orientation (positive and negative sides).
3. Insert the new battery (commonly CR2032) in the same orientation.
4. Snap the key fob casing back together securely.

2. Reprogram Key Fob (if necessary)

Tools Required: None
Sub-steps:
1. Get into the vehicle and close all doors.
2. Insert the key into the ignition and turn it to the "On" position (do not start the engine).
3. Cycle the ignition from "Off" to "On" eight times within ten seconds, ending in the "On" position. The vehicle should respond with a chime.
4. Press any button on the key fob within 20 seconds to program it.
5. Turn the ignition off to complete the programming process.