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my Ford Explorer won't unlock with the key fob what should I do - Ford Explorer
Home/Cars/Ford/Explorer/Fifth Generation (2011-2019)/my Ford Explorer won't unlock with the key fob what should I do

my Ford Explorer won't unlock with the key fob what should I do

Ford Explorer Fifth Generation (2011-2019)

Error Codes
1 hour
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
576 words

Problem Statement

Learn how to troubleshoot and fix a non-functioning key fob for your Ford Explorer. Step-by-step guide with diagnostic steps and solutions.

Affected Component
Electrical
Estimated Time
1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Always ensure the vehicle is turned off before working on electronic components.

Symptoms

  • •Key fob buttons are unresponsive
  • •No sound or light indication when pressing the key fob buttons
  • •Manual key entry is required to unlock the doors
  • •Check engine light illuminated
  • •Battery warning light on the dashboard
  • •Intermittent operation of other electronic components

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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

  • •Small flathead screwdriver
  • •Multimeter

Parts Required

  • •Replacement key fob battery (CR2032 or CR2025)

Additional Information

Affected Component
Electrical
Estimated Time
1 hour
Difficulty
medium
Severity
medium
Tools Required
2 items
Parts Required
1 item

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Solution
1. Preparation
  • Gather tools: small flathead screwdriver, multimeter, replacement key fob battery.
  • Ensure the vehicle is in a safe area with the ignition off.
2. Replace Key Fob Battery
  1. Open the Key Fob:
    • Use the small flathead screwdriver to gently pry open the key fob casing.
    • Take care to avoid damaging the clips.
  2. Remove Old Battery:
    • Note the battery orientation before removing it.
    • Carefully take out the old battery.
  3. Install New Battery:
    • Insert the new battery (typically CR2032 or CR2025) in the same orientation as the old one.
  4. Reassemble Key Fob:
    • Snap the key fob casing back together until it clicks.
3. Test Key Fob
  1. Stand Close to Vehicle:
    • Press the unlock button on the key fob while standing close to the vehicle.
  2. Check for Response:
    • Listen for the sound of locks unlocking or observe if the lights flash.
4. Vehicle Battery Check
  1. Access Battery:
    • Open the hood and locate the vehicle battery.
  2. Test Voltage:
    • Use a multimeter to check the battery voltage; it should read around 12.6 volts.
  3. Inspect Connections:
    • Ensure battery terminals are clean and securely connected.
5. Inspect Fuses
  1. Locate Fuse Box:
    • Consult the owner’s manual to find the fuse box location.
  2. Check Fuses:
    • Identify fuses related to the central locking system.
    • Replace any blown fuses with the appropriate amperage.
6. Reprogram Key Fob (if needed)
  1. Insert Key:
    • Insert the key into the ignition and turn to the "ON" position without starting the engine.
  2. Press Lock Button:
    • Press the lock button on the key fob for 5 seconds.
  3. Turn Off Ignition:
    • Turn the ignition off and remove the key.
  4. Test Key Fob:
    • Try unlocking the vehicle again with the key fob.