why do my Tesla Model S Plaid's mirrors not adjust anymore?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

485 words

Problem Statement

Learn how to diagnose and fix mirror adjustment issues in Tesla Model S Plaid. Step-by-step guide with diagnostic procedures and repair instructions.

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 avoid shorts and injuries.

Symptoms

•Mirror adjustment controls unresponsive
•Warning message on the dashboard related to mirrors
•No sound or movement when attempting to adjust the mirrors
•Possible issues with other electrical components (e.g., window controls)
•Inconsistent behavior when using the mirror adjustment feature

Diagnostic Steps

1
Check for any error messages or alerts on the vehicle's display.
2
Verify that the vehicle software is up to date.
3
Inspect the mirror adjustment controls for physical damage or debris.
4
Test the mirror adjustment from both the driver's side and passenger's side controls.
5
Use a multimeter to check for voltage at the mirror adjustment motor connection.
6
Inspect the wiring harness and connectors leading to the mirror adjustment motor for damage.

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
•Multimeter
•Socket set
•Trim removal tools

Parts Required

•Mirror adjustment motor (if faulty)

Related Faults

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Diagnostic Steps

1
Check for any error messages or alerts on the vehicle's display.
2
Verify that the vehicle software is up to date.
3
Inspect the mirror adjustment controls for physical damage or debris.
4
Test the mirror adjustment from both the driver's side and passenger's side controls.
5
Use a multimeter to check for voltage at the mirror adjustment motor connection.
6
Inspect the wiring harness and connectors leading to the mirror adjustment motor for damage.

Solution

1. Preparation

Gather tools: OBD-II scanner, multimeter, socket set, and trim removal tools.
Disconnect the vehicle's battery to prevent electrical shorts.

2. Remove the Door Panel

Sub-steps:
1. Use trim removal tools to carefully pry off the door panel clips.
2. Remove screws securing the door panel (often located near the handle and bottom edge).
3. Gently lift the door panel upwards to detach it from the frame.

3. Inspect Wiring and Connectors

Sub-steps:
1. Locate the wiring harness connected to the mirror adjustment motor.
2. Check for any visible damage or corrosion on the connectors.
3. Use the multimeter to test continuity through the wiring harness.

4. Replace Mirror Adjustment Motor (if necessary)

Sub-steps:
1. Remove the mirror cover to access the adjustment motor.
2. Unscrew and disconnect the faulty mirror adjustment motor.
3. Install the new motor and secure it with screws.
4. Reconnect the wiring harness to the new motor.

5. Reassemble Door Panel

Sub-steps:
1. Position the door panel back onto the door frame.
2. Secure it with screws previously removed.
3. Reattach any trim pieces and ensure all clips are seated properly.

6. Reconnect Battery and Test

Reconnect the vehicle's battery.
Test the mirror adjustment controls to ensure functionality.