how to fix the keyless entry on my Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

505 words

Problem Statement

Learn how to diagnose and fix keyless entry issues in Ford Explorer (2020-present). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components to prevent short circuits.

Symptoms

•Key fob not responding to lock/unlock commands
•Vehicle doors not unlocking when approaching with the key fob
•"Key not detected" message on the dashboard
•Intermittent operation of keyless entry features
•Check keyless entry system warning light illuminated

Diagnostic Steps

1
Check the battery level of the key fob using a multimeter or replace it with a new battery.
2
Inspect the key fob for physical damage or wear.
3
Verify the vehicle's battery is charged and in good condition.
4
Use an OBD-II scanner to check for any related error codes.
5
Test the keyless entry sensors on the vehicle doors and trunk for functionality.
6
Reset the keyless entry system by disconnecting the vehicle battery for a few minutes.

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
•Small flat screwdriver
•Socket set
•Screwdriver set

Parts Required

•CR2032 battery
•Keyless entry sensor

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the battery level of the key fob using a multimeter or replace it with a new battery.
2
Inspect the key fob for physical damage or wear.
3
Verify the vehicle's battery is charged and in good condition.
4
Use an OBD-II scanner to check for any related error codes.
5
Test the keyless entry sensors on the vehicle doors and trunk for functionality.
6
Reset the keyless entry system by disconnecting the vehicle battery for a few minutes.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface with the engine off.
Disconnect the negative terminal of the battery for safety.

2. Key Fob Battery Replacement

Tools Required: Small flat screwdriver, new CR2032 battery
Remove the back cover of the key fob using the flat screwdriver.
Replace the old battery with the new CR2032 battery, ensuring correct polarity.
Reassemble the key fob and test its functionality.

3. Inspect and Replace Keyless Entry Sensors

Tools Required: Socket set, screwdriver set
Remove interior door panels as necessary to access the keyless entry sensors.
Inspect wiring and connectors for damage or corrosion.
If a sensor is faulty, remove it from the door assembly and replace it with a new sensor.
Reassemble the door panel and test the system.

4. Reset Keyless Entry System

Reconnect the negative terminal of the battery.
Turn the ignition to the "ON" position without starting the engine.
Wait for 10 seconds, then turn the ignition off and remove the key.
Test the keyless entry system to see if the issue is resolved.