Problem Statement
Learn how to troubleshoot and repair issues with the key fob not working on your 2020 Toyota Highlander with these detailed steps.
How do I resolve issues with the key fob not working on my 2020 Highlander?
Toyota Highlander Fourth Generation (2020-present)
1-2 hours
Time
medium
Difficulty
medium
Severity
3 min read
555 words
Affected Component
key fob
Estimated Time
1-2 hours
Symptoms
- •Key fob fails to unlock/lock doors.
- •Key fob does not start the engine.
- •Indicator light on the key fob is unresponsive.
- •Vehicle responds intermittently to the key fob.
Diagnostic Steps
- 1
- 2
- 3
- 4
- 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 Phillips screwdriver
- •flathead screwdriver or coin
- •Vehicle’s ignition key
- •OBD-II scanner
Related Faults
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