how to fix the driver side mirror not adjusting on my Tesla Model 3 Highland (2024-present)

Tesla Model 3 Highland (2024-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

597 words

Problem Statement

Learn how to diagnose and fix the driver side mirror adjustment issue in Tesla Model 3 Highland (2024-present). Step-by-step guide with tools and tips.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shocks or shorts.
•Allow the vehicle to cool down before starting the repair.

Symptoms

•Driver side mirror does not respond to adjustment controls
•Mirror adjustment settings are unresponsive on the touchscreen
•Check for any warning messages on the dashboard
•Possible rattling or loose mirror assembly
•Visual inspection shows mirror glass is intact but immovable

Diagnostic Steps

1
Confirm that the vehicle is powered on and the touchscreen is functioning properly.
2
Check the settings on the touchscreen to ensure mirror adjustment is enabled.
3
Use the manual adjustment feature (if available) to verify if the mirror can be moved physically.
4
Inspect the wiring harness and connections behind the mirror for any visible damage or disconnection.
5
Scan the vehicle's system for any error codes related to the mirror adjustment feature using an OBD-II scanner.

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

•OBD-II scanner
•Socket set
•Trim removal tool
•Screwdriver

Parts Required

•Mirror assembly (if replacement is necessary)
•Wiring harness (if damaged)

Related Faults

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Diagnostic Steps

1
Confirm that the vehicle is powered on and the touchscreen is functioning properly.
2
Check the settings on the touchscreen to ensure mirror adjustment is enabled.
3
Use the manual adjustment feature (if available) to verify if the mirror can be moved physically.
4
Inspect the wiring harness and connections behind the mirror for any visible damage or disconnection.
5
Scan the vehicle's system for any error codes related to the mirror adjustment feature using an OBD-II scanner.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the ignition is off.
Disconnect the battery to avoid any electrical issues while working on the mirror.

2. Remove the Door Panel

Tools Required: Socket set, trim removal tool, screwdriver.
Remove the screws securing the door panel, typically located near the door handle and around the edges.
Use a trim removal tool to gently detach the door panel from the clips.
Lift the door panel upward to free it from the door and disconnect any electrical connectors.

3. Access the Mirror Assembly

Tools Required: Socket set.
Locate the screws securing the mirror assembly from the inside of the door.
Remove the screws using a socket wrench.
Carefully pull the mirror assembly away from the door to access the wiring harness.

4. Inspect and Repair the Wiring

Check the wiring harness connected to the mirror for any signs of damage or disconnection.
If the wiring is damaged, replace the wiring harness or repair the connections as necessary.
Reconnect the wiring harness securely.

5. Reinstall the Mirror Assembly

Align the mirror assembly back into place.
Secure the assembly with screws and ensure it is firmly attached.
Reconnect any electrical connectors that were detached during disassembly.

6. Reattach the Door Panel

Align the door panel back onto the door frame.
Press the panel firmly to reattach the clips.
Replace all screws to secure the panel in place.

7. Reconnect the Battery

Reconnect the vehicle's battery.
Power on the vehicle and check the mirror adjustment functionality.