how to fix the issue of my Tesla Model 3 Original (2017-2023) sliding doors not closing

Tesla Model 3 Highland (2024-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

498 words

Problem Statement

Learn how to diagnose and fix sliding doors not closing on Tesla Model 3 (2017-2023). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Body/Interior

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is powered off and in park before performing any inspections or repairs.

Symptoms

•Sliding doors fail to close completely
•Unusual sounds when attempting to close doors
•Doors open slightly after being closed
•Warning message on the dashboard regarding door status
•Difficulty in manually closing the doors

Diagnostic Steps

1
Inspect the door tracks for any debris or obstructions that may prevent proper closure.
2
Check the door alignment and hinges to ensure they are not bent or misaligned.
3
Scan for error codes using the Tesla diagnostic tool to identify any electronic issues.
4
Test the door sensors for proper functionality, ensuring they are not blocked or malfunctioning.
5
Assess the battery voltage and electrical connections related to the door mechanism.

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

•Torque wrench
•Socket set
•Cleaning cloth
•Silicone lubricant

Parts Required

•Door position sensor (if replacement is necessary)

Related Faults

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Diagnostic Steps

1
Inspect the door tracks for any debris or obstructions that may prevent proper closure.
2
Check the door alignment and hinges to ensure they are not bent or misaligned.
3
Scan for error codes using the Tesla diagnostic tool to identify any electronic issues.
4
Test the door sensors for proper functionality, ensuring they are not blocked or malfunctioning.
5
Assess the battery voltage and electrical connections related to the door mechanism.

Solution

1. Preparation

Gather necessary tools: torque wrench, socket set, and a cleaning cloth.
Ensure the vehicle is parked on a level surface and power is off.

2. Inspect and Clean Door Tracks

Step 1: Open the sliding doors fully.
Step 2: Use a cleaning cloth to remove any debris or dirt from the door tracks.
Step 3: Apply a silicone lubricant to the tracks to ensure smooth operation.

3. Check and Adjust Door Alignment

Step 1: Inspect the hinges and door alignment visually.
Step 2: If misaligned, use a torque wrench to loosen the hinge bolts slightly.
Step 3: Adjust the door position so that it sits flush with the body of the car, then retighten the bolts to the manufacturer’s torque specifications.

4. Test and Replace Faulty Sensors

Step 1: Locate the door position sensors and inspect for damage or disconnection.
Step 2: If damaged, disconnect the wiring harness and remove the old sensor.
Step 3: Install a new sensor by connecting the wiring harness and securing it in place.

5. Verify Electrical Connections

Step 1: Inspect the wiring connections related to the door mechanism for corrosion or looseness.
Step 2: Reconnect any loose wires and ensure all connections are secure.
Step 3: Test the door operation after reconnecting to verify successful closure.