FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
my Toyota Corolla E140 (2006-2013) won't unlock with remote what should I do? - Toyota Corolla
Home/Cars/Toyota/Corolla/E140 (2006-2013)/my Toyota Corolla E140 (2006-2013) won't unlock with remote what should I do?

my Toyota Corolla E140 (2006-2013) won't unlock with remote what should I do?

Toyota Corolla E140 (2006-2013)

Error Codes
30 minutes to 1 hour
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
552 words

Problem Statement

Learn how to troubleshoot and fix a non-functioning key fob for your 2006-2013 Toyota Corolla E140. Step-by-step guide with diagnostic steps and solutions.

Affected Component
Electrical
Estimated Time
30 minutes to 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •None applicable for this procedure.

Symptoms

  • •Remote key fob does not unlock doors
  • •Remote key fob buttons are unresponsive
  • •Indicator light on the key fob does not illuminate when pressed
  • •Manual key entry into the door is required
  • •Possible battery warning light on dashboard

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

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

Parts Required

  • •CR2032 battery

Additional Information

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

Related Faults

Loading...

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation
Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure you have a new battery (typically CR2032) for the key fob.
  • Work in a clean, well-lit area.
2. Replace the Key Fob Battery

  1. Open the Key Fob:

    • Use a small flat-head screwdriver to gently pry apart the key fob.
    • Take care not to damage the casing.

  2. Remove the Old Battery:

    • Carefully note the orientation of the battery (positive and negative sides).
    • Remove the old battery and dispose of it properly.

  3. Install the New Battery:

    • Insert the new battery in the same orientation as the old one.
    • Ensure it is seated properly in the battery compartment.

  4. Reassemble the Key Fob:

    • Snap the key fob halves back together until they click securely.
    • Ensure there are no gaps between the halves.
3. Test the Key Fob
  1. Stand close to the vehicle and press the unlock button on the key fob.
  2. Observe if the doors unlock successfully.
4. Reprogram the Key Fob (if necessary)

  1. Enter Programming Mode:

    • Insert the key into the ignition and turn it to the "ON" position without starting the engine.
    • Turn the key back to "OFF" and remove it.

  2. Press the Unlock Button:

    • Press and hold the unlock button on the key fob while turning the ignition back to "ON" again.
    • Release the unlock button after approximately 5 seconds.

  3. Test the Key Fob:

    • Turn the ignition to "OFF" and test the key fob again.