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What should I do if my Toyota Camry XV70's key fob is not working? - Toyota Camry
Home/Cars/Toyota/Camry/XV70 (2018-2024)/What should I do if my Toyota Camry XV70's key fob is not working?

What should I do if my Toyota Camry XV70's key fob is not working?

Toyota Camry XV70 (2018-2024)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
541 words

Problem Statement

Learn how to diagnose and fix issues with your Toyota Camry XV70 key fob, including battery replacement, reprogramming, and more.

Affected Component
key fob
Estimated Time
1-2 hours

Symptoms

  • •Key fob does not unlock/lock the doors.
  • •Key fob does not start the engine (if equipped with push-to-start).
  • •Indicator light on the key fob does not illuminate when buttons are pressed.

Diagnostic Steps

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

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 or coin
  • •Multimeter

Additional Information

Affected Component
key fob
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
2 items

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Back to Generation

If your Toyota Camry XV70's key fob is not working, follow these detailed steps to diagnose and potentially fix the issue.

1. Check the Battery

  • Symptom: Key fob is unresponsive.
  • Tool Required: Small flathead screwdriver or coin.
  • Step:
    1. Carefully open the key fob by inserting the screwdriver or coin into the seam.
    2. Remove the battery and check if it’s corroded or dead.
    3. Replace it with a new CR2032 battery (confirm polarity).

2. Inspect the Key Fob

  • Symptom: Physical damage or unresponsive buttons.
  • Tool Required: None.
  • Step:
    1. Examine the key fob for cracks, water damage, or dirt in the buttons.
    2. Clean the key fob with a soft cloth and isopropyl alcohol (if applicable).

3. Check for Interference

  • Symptom: Key fob works intermittently.
  • Tool Required: None.
  • Step:
    1. Move to a different location away from electronic devices (like microwaves) or metal objects that may cause interference.
    2. Test the key fob again.

4. Reprogram the Key Fob

  • Symptom: Key fob functionality lost after battery replacement or after changing settings.
  • Tool Required: None.
  • Step:
    1. Sit in the car and close all doors.
    2. Insert the key into the ignition and turn it to the “On” position (do not start).
    3. Press the “Lock” button on the key fob.
    4. Turn the ignition off and remove the key.
    5. Test the key fob.

5. Check the Vehicle’s Receiver

  • Symptom: Key fob works outside of the car but not when close.
  • Tool Required: Multimeter.
  • Step:
    1. Locate the keyless entry receiver (usually under the dashboard near the steering column).
    2. Use the multimeter to check for power and ground at the receiver. You should have constant power when the ignition is on.
    3. If not receiving power, check vehicle fuses (refer to the owner’s manual for fuse locations).
Repair Instructions

If Key Fob Battery Is Dead

  1. Replace the Battery: Follow the steps in Check the Battery to replace the battery.

If Key Fob Is Damaged

  1. Repair or Replace:
    • Minor damages may be repaired with super glue.
    • If severely damaged, purchase a replacement key fob from Toyota or an authorized dealer.

If Reprogramming Fails

  1. Visit a Professional: If none of the above steps work, visit a Toyota dealership or a professional locksmith with experience in key fob programming.

If Vehicle Receiver Is Faulty

  1. Replace Keyless Entry Receiver:
    • Disconnect the battery.
    • Remove the dashboard panel to access the receiver.
    • Disconnect the wiring harness and remove the receiver.
    • Install the new receiver and reconnect wiring.
    • Reconnect the battery and test.
Conclusion

By following these steps, you should be able to diagnose and potentially fix the issue with your Toyota Camry XV70's key fob. If the problem persists after these troubleshooting steps, it's advisable to consult with a professional technician or your local Toyota dealership for further assistance.