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How can I fix the power liftgate not functioning in my 2020 Toyota Highlander? - Toyota Highlander
Home/Cars/Toyota/Highlander/Fourth Generation (2020-present)/How can I fix the power liftgate not functioning in my 2020 Toyota Highlander?

How can I fix the power liftgate not functioning in my 2020 Toyota Highlander?

Toyota Highlander Fourth Generation (2020-present)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
4 min read
604 words

Problem Statement

Learn how to diagnose and repair the power liftgate issues on your 2020 Toyota Highlander with step-by-step instructions and required tools.

Affected Component
power liftgate
Estimated Time
2-4 hours

Symptoms

  • •The power liftgate does not open or close.
  • •The liftgate opens partially and then stops.
  • •The liftgate makes a clicking or grinding noise when attempting to operate.
  • •The liftgate operates intermittently or works only with the key fob.

Diagnostic Steps

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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
  • •Flathead screwdriver
  • •Phillips screwdriver
  • •Torque wrench
  • •Replacement fuse (if needed)
  • •Replacement key fob battery (if needed)
  • •Basic hand tools (wrenches, pliers)

Additional Information

Affected Component
power liftgate
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
7 items

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Back to Generation
Fixing the Power Liftgate on a 2020 Toyota Highlander
Tools Required
  • Multimeter
  • Flathead screwdriver
  • Phillips screwdriver
  • Torque wrench
  • Replacement fuse (if needed)
  • Replacement key fob battery (if needed)
  • Basic hand tools (wrenches, pliers)

Repair Instructions

Step 1: Replace Key Fob Battery
  1. Open the key fob using a flathead screwdriver.
  2. Replace the battery with a new one (typically a CR2032).
  3. Reassemble the key fob and test the liftgate operation.
Step 2: Replace Fuse
  1. Locate the fuse box (refer to the owner’s manual for specific location).
  2. Remove the blown fuse using pliers or a fuse puller.
  3. Insert a new fuse of the same rating (check the owner’s manual for specifics).
  4. Test the liftgate operation.
Step 3: Repair Wiring
  1. If you find damaged wiring, use electrical tape or heat-shrink tubing to repair frayed wires.
  2. Ensure all connections are secure and free of corrosion.
Step 4: Replace Liftgate Motor
  1. If the motor is determined to be faulty, follow these steps:
    • Remove the interior trim panel of the liftgate (use screws and clips to detach).
    • Disconnect the liftgate motor wiring harness.
    • Remove the mounting screws/bolts holding the motor in place.
    • Install the new motor by reversing the process and ensure all connections are secure.
Step 5: Test Liftgate Function
  1. After all repairs, reconnect the battery (if disconnected) and test the liftgate using the key fob and the interior switch.
  2. Check for smooth operation and ensure it opens and closes completely.

Conclusion

Following these steps will help you diagnose and potentially repair the power liftgate issue in your 2020 Toyota Highlander. If the problem persists after all these checks and repairs, it may require professional diagnostics or repair service to address more complex electronic or mechanical failures.